/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/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/loops/sum_array-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-a47f07a [2021-04-16 06:46:07,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-16 06:46:07,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-16 06:46:07,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-16 06:46:07,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-16 06:46:07,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-16 06:46:07,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-16 06:46:07,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-16 06:46:07,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-16 06:46:07,533 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-16 06:46:07,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-16 06:46:07,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-16 06:46:07,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-16 06:46:07,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-16 06:46:07,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-16 06:46:07,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-16 06:46:07,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-16 06:46:07,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-16 06:46:07,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-16 06:46:07,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-16 06:46:07,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-16 06:46:07,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-16 06:46:07,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-16 06:46:07,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-16 06:46:07,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-16 06:46:07,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-16 06:46:07,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-16 06:46:07,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-16 06:46:07,561 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2021-04-16 06:46:07,572 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-16 06:46:07,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-16 06:46:07,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-16 06:46:07,575 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-16 06:46:07,575 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-16 06:46:07,575 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-16 06:46:07,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-16 06:46:07,575 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-16 06:46:07,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-16 06:46:07,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-16 06:46:07,576 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-16 06:46:07,576 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-16 06:46:07,577 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-16 06:46:07,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-16 06:46:07,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-16 06:46:07,577 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-16 06:46:07,577 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-16 06:46:07,577 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-16 06:46:07,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-16 06:46:07,577 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-16 06:46:07,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-04-16 06:46:07,578 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-04-16 06:46:07,578 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2021-04-16 06:46:07,578 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-16 06:46:07,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-16 06:46:07,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-16 06:46:07,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-16 06:46:07,885 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-16 06:46:07,889 INFO L275 PluginConnector]: CDTParser initialized [2021-04-16 06:46:07,892 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum_array-2.i [2021-04-16 06:46:07,955 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04aeee23a/1b157804055e43d68ca8f3d8349265f1/FLAGe4b5827ed [2021-04-16 06:46:08,331 INFO L306 CDTParser]: Found 1 translation units. [2021-04-16 06:46:08,332 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum_array-2.i [2021-04-16 06:46:08,336 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04aeee23a/1b157804055e43d68ca8f3d8349265f1/FLAGe4b5827ed [2021-04-16 06:46:08,348 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04aeee23a/1b157804055e43d68ca8f3d8349265f1 [2021-04-16 06:46:08,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-16 06:46:08,351 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-16 06:46:08,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-16 06:46:08,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-16 06:46:08,356 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-16 06:46:08,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 06:46:08" (1/1) ... [2021-04-16 06:46:08,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c556efc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:46:08, skipping insertion in model container [2021-04-16 06:46:08,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 06:46:08" (1/1) ... [2021-04-16 06:46:08,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-16 06:46:08,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-16 06:46:08,480 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/sum_array-2.i[938,951] [2021-04-16 06:46:08,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-16 06:46:08,506 INFO L203 MainTranslator]: Completed pre-run [2021-04-16 06:46:08,529 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/sum_array-2.i[938,951] [2021-04-16 06:46:08,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-16 06:46:08,560 INFO L208 MainTranslator]: Completed translation [2021-04-16 06:46:08,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:46:08 WrapperNode [2021-04-16 06:46:08,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-16 06:46:08,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-16 06:46:08,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-16 06:46:08,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-16 06:46:08,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:46:08" (1/1) ... [2021-04-16 06:46:08,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:46:08" (1/1) ... [2021-04-16 06:46:08,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:46:08" (1/1) ... [2021-04-16 06:46:08,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:46:08" (1/1) ... [2021-04-16 06:46:08,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:46:08" (1/1) ... [2021-04-16 06:46:08,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:46:08" (1/1) ... [2021-04-16 06:46:08,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:46:08" (1/1) ... [2021-04-16 06:46:08,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-16 06:46:08,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-16 06:46:08,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-16 06:46:08,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-16 06:46:08,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:46:08" (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 [2021-04-16 06:46:08,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-04-16 06:46:08,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-16 06:46:08,663 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-04-16 06:46:08,664 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-04-16 06:46:08,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-04-16 06:46:08,664 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-04-16 06:46:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-04-16 06:46:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-04-16 06:46:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-04-16 06:46:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-04-16 06:46:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-04-16 06:46:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-16 06:46:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-04-16 06:46:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-04-16 06:46:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-04-16 06:46:08,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2021-04-16 06:46:08,666 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-04-16 06:46:08,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-16 06:46:08,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-04-16 06:46:08,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-16 06:46:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-04-16 06:46:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-16 06:46:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-16 06:46:08,902 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-16 06:46:08,902 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-04-16 06:46:08,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.04 06:46:08 BoogieIcfgContainer [2021-04-16 06:46:08,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-16 06:46:08,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-16 06:46:08,904 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-16 06:46:08,906 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-16 06:46:08,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.04 06:46:08" (1/3) ... [2021-04-16 06:46:08,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2213a9fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.04 06:46:08, skipping insertion in model container [2021-04-16 06:46:08,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:46:08" (2/3) ... [2021-04-16 06:46:08,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2213a9fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.04 06:46:08, skipping insertion in model container [2021-04-16 06:46:08,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.04 06:46:08" (3/3) ... [2021-04-16 06:46:08,908 INFO L111 eAbstractionObserver]: Analyzing ICFG sum_array-2.i [2021-04-16 06:46:08,911 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-04-16 06:46:08,913 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-16 06:46:08,923 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-04-16 06:46:08,934 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-16 06:46:08,934 INFO L377 AbstractCegarLoop]: Hoare is true [2021-04-16 06:46:08,934 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-04-16 06:46:08,935 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-16 06:46:08,935 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-16 06:46:08,935 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-16 06:46:08,935 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-16 06:46:08,935 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-16 06:46:08,943 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 24 states have (on average 1.5) internal successors, (36), 25 states have internal predecessors, (36), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-04-16 06:46:08,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-04-16 06:46:08,947 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:46:08,947 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:46:08,948 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:46:08,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:46:08,951 INFO L82 PathProgramCache]: Analyzing trace with hash -1611689087, now seen corresponding path program 1 times [2021-04-16 06:46:08,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:46:08,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [751748094] [2021-04-16 06:46:08,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:46:09,037 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:46:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:09,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:09,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:09,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:09,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:09,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:46:09,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:09,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:09,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:09,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:46:09,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [751748094] [2021-04-16 06:46:09,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:46:09,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-16 06:46:09,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059782507] [2021-04-16 06:46:09,230 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-16 06:46:09,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:46:09,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-16 06:46:09,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-16 06:46:09,240 INFO L87 Difference]: Start difference. First operand has 32 states, 24 states have (on average 1.5) internal successors, (36), 25 states have internal predecessors, (36), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 06:46:09,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:46:09,327 INFO L93 Difference]: Finished difference Result 55 states and 73 transitions. [2021-04-16 06:46:09,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-16 06:46:09,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2021-04-16 06:46:09,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:46:09,333 INFO L225 Difference]: With dead ends: 55 [2021-04-16 06:46:09,333 INFO L226 Difference]: Without dead ends: 27 [2021-04-16 06:46:09,336 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-16 06:46:09,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-04-16 06:46:09,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-04-16 06:46:09,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 21 states have internal predecessors, (25), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-04-16 06:46:09,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2021-04-16 06:46:09,372 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 17 [2021-04-16 06:46:09,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:46:09,372 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2021-04-16 06:46:09,372 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 06:46:09,372 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2021-04-16 06:46:09,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-04-16 06:46:09,373 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:46:09,373 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:46:09,373 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-16 06:46:09,374 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:46:09,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:46:09,375 INFO L82 PathProgramCache]: Analyzing trace with hash -717013641, now seen corresponding path program 1 times [2021-04-16 06:46:09,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:46:09,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1964118006] [2021-04-16 06:46:09,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:46:09,384 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:46:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:09,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:09,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:09,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:09,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 06:46:09,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:09,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:46:09,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:09,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:09,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:46:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:09,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:09,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:09,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:46:09,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1964118006] [2021-04-16 06:46:09,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:46:09,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-16 06:46:09,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006541752] [2021-04-16 06:46:09,492 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-16 06:46:09,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:46:09,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-16 06:46:09,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-16 06:46:09,493 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 06:46:09,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:46:09,573 INFO L93 Difference]: Finished difference Result 62 states and 73 transitions. [2021-04-16 06:46:09,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-16 06:46:09,574 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2021-04-16 06:46:09,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:46:09,575 INFO L225 Difference]: With dead ends: 62 [2021-04-16 06:46:09,575 INFO L226 Difference]: Without dead ends: 39 [2021-04-16 06:46:09,576 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.3ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-16 06:46:09,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-04-16 06:46:09,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 30. [2021-04-16 06:46:09,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-04-16 06:46:09,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2021-04-16 06:46:09,582 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 17 [2021-04-16 06:46:09,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:46:09,582 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2021-04-16 06:46:09,582 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 06:46:09,582 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2021-04-16 06:46:09,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-04-16 06:46:09,583 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:46:09,583 INFO L519 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] [2021-04-16 06:46:09,583 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-16 06:46:09,583 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:46:09,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:46:09,584 INFO L82 PathProgramCache]: Analyzing trace with hash -442514949, now seen corresponding path program 1 times [2021-04-16 06:46:09,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:46:09,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [115467700] [2021-04-16 06:46:09,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:46:09,595 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:46:09,597 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:46:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:09,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:09,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:09,802 INFO L142 QuantifierPusher]: treesize reduction 7, result has 96.3 percent of original size [2021-04-16 06:46:09,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-04-16 06:46:09,845 INFO L142 QuantifierPusher]: treesize reduction 22, result has 93.2 percent of original size [2021-04-16 06:46:09,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 300 [2021-04-16 06:46:09,868 INFO L142 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-04-16 06:46:09,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-16 06:46:09,881 INFO L142 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-04-16 06:46:09,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-16 06:46:09,887 INFO L142 QuantifierPusher]: treesize reduction 21, result has 95.8 percent of original size [2021-04-16 06:46:09,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 476 [2021-04-16 06:46:09,910 INFO L142 QuantifierPusher]: treesize reduction 104, result has 88.5 percent of original size [2021-04-16 06:46:09,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 801 [2021-04-16 06:46:10,001 INFO L142 QuantifierPusher]: treesize reduction 39, result has 44.3 percent of original size [2021-04-16 06:46:10,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-16 06:46:10,023 INFO L142 QuantifierPusher]: treesize reduction 53, result has 90.5 percent of original size [2021-04-16 06:46:10,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 503 [2021-04-16 06:46:10,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:10,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 06:46:10,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:10,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:46:10,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:10,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:46:10,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:10,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:10,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:46:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:10,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:10,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:10,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:46:10,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [115467700] [2021-04-16 06:46:10,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:46:10,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-16 06:46:10,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752223737] [2021-04-16 06:46:10,087 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-16 06:46:10,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:46:10,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-16 06:46:10,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-04-16 06:46:10,089 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand has 10 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 8 states have internal predecessors, (21), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 06:46:10,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:46:10,377 INFO L93 Difference]: Finished difference Result 45 states and 48 transitions. [2021-04-16 06:46:10,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-16 06:46:10,378 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 8 states have internal predecessors, (21), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2021-04-16 06:46:10,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:46:10,380 INFO L225 Difference]: With dead ends: 45 [2021-04-16 06:46:10,380 INFO L226 Difference]: Without dead ends: 43 [2021-04-16 06:46:10,381 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 318.0ms TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2021-04-16 06:46:10,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-04-16 06:46:10,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 36. [2021-04-16 06:46:10,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 29 states have internal predecessors, (32), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-04-16 06:46:10,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2021-04-16 06:46:10,391 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 25 [2021-04-16 06:46:10,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:46:10,391 INFO L480 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2021-04-16 06:46:10,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 8 states have internal predecessors, (21), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 06:46:10,391 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2021-04-16 06:46:10,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-04-16 06:46:10,392 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:46:10,392 INFO L519 BasicCegarLoop]: trace histogram [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] [2021-04-16 06:46:10,392 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-16 06:46:10,392 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:46:10,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:46:10,392 INFO L82 PathProgramCache]: Analyzing trace with hash 321785045, now seen corresponding path program 1 times [2021-04-16 06:46:10,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:46:10,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2111740358] [2021-04-16 06:46:10,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:46:10,396 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:46:10,397 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:46:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:10,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:10,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:10,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:10,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 06:46:10,455 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-04-16 06:46:10,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-16 06:46:10,473 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.1 percent of original size [2021-04-16 06:46:10,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-04-16 06:46:10,515 INFO L142 QuantifierPusher]: treesize reduction 11, result has 80.0 percent of original size [2021-04-16 06:46:10,515 INFO L147 QuantifierPusher]: treesize reduction 10, result has 77.3 percent of original size 34 [2021-04-16 06:46:10,529 INFO L142 QuantifierPusher]: treesize reduction 11, result has 81.0 percent of original size [2021-04-16 06:46:10,530 INFO L147 QuantifierPusher]: treesize reduction 10, result has 78.7 percent of original size 37 [2021-04-16 06:46:10,550 INFO L142 QuantifierPusher]: treesize reduction 20, result has 67.7 percent of original size [2021-04-16 06:46:10,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-16 06:46:10,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:10,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:10,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:46:10,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:10,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:10,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:10,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-04-16 06:46:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:10,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:10,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:10,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:46:10,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2111740358] [2021-04-16 06:46:10,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:46:10,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-16 06:46:10,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422815997] [2021-04-16 06:46:10,606 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-16 06:46:10,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:46:10,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-16 06:46:10,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-04-16 06:46:10,607 INFO L87 Difference]: Start difference. First operand 36 states and 39 transitions. Second operand has 9 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-04-16 06:46:10,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:46:10,847 INFO L93 Difference]: Finished difference Result 94 states and 106 transitions. [2021-04-16 06:46:10,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-16 06:46:10,848 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 33 [2021-04-16 06:46:10,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:46:10,849 INFO L225 Difference]: With dead ends: 94 [2021-04-16 06:46:10,849 INFO L226 Difference]: Without dead ends: 55 [2021-04-16 06:46:10,849 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 165.4ms TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-04-16 06:46:10,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-04-16 06:46:10,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 44. [2021-04-16 06:46:10,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 37 states have internal predecessors, (40), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-04-16 06:46:10,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2021-04-16 06:46:10,861 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 33 [2021-04-16 06:46:10,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:46:10,861 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2021-04-16 06:46:10,862 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-04-16 06:46:10,862 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2021-04-16 06:46:10,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-04-16 06:46:10,862 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:46:10,862 INFO L519 BasicCegarLoop]: trace histogram [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] [2021-04-16 06:46:10,862 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-16 06:46:10,863 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:46:10,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:46:10,863 INFO L82 PathProgramCache]: Analyzing trace with hash 479826701, now seen corresponding path program 2 times [2021-04-16 06:46:10,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:46:10,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [309891532] [2021-04-16 06:46:10,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:46:10,870 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:46:10,878 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:46:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:11,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:11,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:11,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:11,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-16 06:46:11,148 INFO L142 QuantifierPusher]: treesize reduction 14, result has 79.7 percent of original size [2021-04-16 06:46:11,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-16 06:46:11,194 INFO L142 QuantifierPusher]: treesize reduction 17, result has 85.1 percent of original size [2021-04-16 06:46:11,196 INFO L147 QuantifierPusher]: treesize reduction 9, result has 90.7 percent of original size 88 [2021-04-16 06:46:11,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:11,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-16 06:46:11,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:11,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-16 06:46:11,227 INFO L142 QuantifierPusher]: treesize reduction 25, result has 94.6 percent of original size [2021-04-16 06:46:11,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 440 [2021-04-16 06:46:11,243 INFO L142 QuantifierPusher]: treesize reduction 54, result has 86.4 percent of original size [2021-04-16 06:46:11,246 INFO L147 QuantifierPusher]: treesize reduction 9, result has 97.4 percent of original size 334 [2021-04-16 06:46:11,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:11,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-04-16 06:46:11,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:11,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-04-16 06:46:11,387 INFO L142 QuantifierPusher]: treesize reduction 9, result has 97.9 percent of original size [2021-04-16 06:46:11,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 428 [2021-04-16 06:46:11,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:11,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 06:46:11,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:11,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:46:11,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:11,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:46:11,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:11,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:11,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:46:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:11,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:11,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:11,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-04-16 06:46:11,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:11,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:11,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:11,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:46:11,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [309891532] [2021-04-16 06:46:11,560 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:46:11,560 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-04-16 06:46:11,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535356675] [2021-04-16 06:46:11,560 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-16 06:46:11,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:46:11,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-16 06:46:11,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-04-16 06:46:11,561 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand has 13 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 11 states have internal predecessors, (32), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-04-16 06:46:11,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:46:11,976 INFO L93 Difference]: Finished difference Result 61 states and 64 transitions. [2021-04-16 06:46:11,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-16 06:46:11,977 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 11 states have internal predecessors, (32), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2021-04-16 06:46:11,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:46:11,981 INFO L225 Difference]: With dead ends: 61 [2021-04-16 06:46:11,981 INFO L226 Difference]: Without dead ends: 59 [2021-04-16 06:46:11,981 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 569.2ms TimeCoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2021-04-16 06:46:11,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2021-04-16 06:46:11,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 52. [2021-04-16 06:46:11,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 42 states have (on average 1.0952380952380953) internal successors, (46), 43 states have internal predecessors, (46), 5 states have call successors, (5), 5 states have call predecessors, (5), 4 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2021-04-16 06:46:11,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 55 transitions. [2021-04-16 06:46:11,997 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 55 transitions. Word has length 41 [2021-04-16 06:46:11,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:46:11,997 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 55 transitions. [2021-04-16 06:46:11,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 11 states have internal predecessors, (32), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-04-16 06:46:11,997 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2021-04-16 06:46:11,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-04-16 06:46:12,000 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:46:12,000 INFO L519 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-04-16 06:46:12,000 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-16 06:46:12,000 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:46:12,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:46:12,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1936282649, now seen corresponding path program 3 times [2021-04-16 06:46:12,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:46:12,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [594882054] [2021-04-16 06:46:12,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:46:12,007 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:46:12,008 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:46:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:12,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:12,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:12,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:12,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 06:46:12,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:12,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:46:12,067 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-16 06:46:12,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-16 06:46:12,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:12,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 06:46:12,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:12,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-16 06:46:12,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:12,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:46:12,101 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-04-16 06:46:12,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-16 06:46:12,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:12,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:12,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:46:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:12,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:12,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:12,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-04-16 06:46:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:12,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:12,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:12,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-04-16 06:46:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:12,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:12,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:12,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:46:12,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [594882054] [2021-04-16 06:46:12,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:46:12,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-16 06:46:12,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862047002] [2021-04-16 06:46:12,155 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-16 06:46:12,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:46:12,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-16 06:46:12,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-04-16 06:46:12,156 INFO L87 Difference]: Start difference. First operand 52 states and 55 transitions. Second operand has 10 states, 10 states have (on average 3.3) internal successors, (33), 9 states have internal predecessors, (33), 4 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-04-16 06:46:12,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:46:12,387 INFO L93 Difference]: Finished difference Result 129 states and 142 transitions. [2021-04-16 06:46:12,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-16 06:46:12,387 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.3) internal successors, (33), 9 states have internal predecessors, (33), 4 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 49 [2021-04-16 06:46:12,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:46:12,388 INFO L225 Difference]: With dead ends: 129 [2021-04-16 06:46:12,388 INFO L226 Difference]: Without dead ends: 71 [2021-04-16 06:46:12,388 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 79.2ms TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-04-16 06:46:12,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-04-16 06:46:12,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 60. [2021-04-16 06:46:12,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 50 states have (on average 1.08) internal successors, (54), 51 states have internal predecessors, (54), 5 states have call successors, (5), 5 states have call predecessors, (5), 4 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2021-04-16 06:46:12,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 63 transitions. [2021-04-16 06:46:12,396 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 63 transitions. Word has length 49 [2021-04-16 06:46:12,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:46:12,397 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 63 transitions. [2021-04-16 06:46:12,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 3.3) internal successors, (33), 9 states have internal predecessors, (33), 4 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-04-16 06:46:12,397 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2021-04-16 06:46:12,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-04-16 06:46:12,397 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:46:12,397 INFO L519 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:46:12,398 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-16 06:46:12,398 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:46:12,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:46:12,398 INFO L82 PathProgramCache]: Analyzing trace with hash 267696619, now seen corresponding path program 4 times [2021-04-16 06:46:12,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:46:12,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [870929205] [2021-04-16 06:46:12,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:46:12,403 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:46:12,404 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:46:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:12,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:12,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:12,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:12,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-16 06:46:12,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:12,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-16 06:46:12,590 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-04-16 06:46:12,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-04-16 06:46:12,616 INFO L142 QuantifierPusher]: treesize reduction 104, result has 48.3 percent of original size [2021-04-16 06:46:12,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-04-16 06:46:12,658 INFO L142 QuantifierPusher]: treesize reduction 117, result has 74.1 percent of original size [2021-04-16 06:46:12,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 335 [2021-04-16 06:46:12,748 INFO L142 QuantifierPusher]: treesize reduction 32, result has 66.3 percent of original size [2021-04-16 06:46:12,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-04-16 06:46:12,785 INFO L142 QuantifierPusher]: treesize reduction 32, result has 67.3 percent of original size [2021-04-16 06:46:12,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-04-16 06:46:12,832 INFO L142 QuantifierPusher]: treesize reduction 32, result has 67.3 percent of original size [2021-04-16 06:46:12,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-04-16 06:46:12,835 INFO L142 QuantifierPusher]: treesize reduction 57, result has 59.3 percent of original size [2021-04-16 06:46:12,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-04-16 06:46:12,902 INFO L142 QuantifierPusher]: treesize reduction 57, result has 59.3 percent of original size [2021-04-16 06:46:12,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-04-16 06:46:12,909 INFO L142 QuantifierPusher]: treesize reduction 57, result has 83.2 percent of original size [2021-04-16 06:46:12,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 282 [2021-04-16 06:46:13,026 INFO L142 QuantifierPusher]: treesize reduction 57, result has 78.5 percent of original size [2021-04-16 06:46:13,028 INFO L147 QuantifierPusher]: treesize reduction 7, result has 96.6 percent of original size 201 [2021-04-16 06:46:13,129 INFO L142 QuantifierPusher]: treesize reduction 32, result has 70.1 percent of original size [2021-04-16 06:46:13,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-04-16 06:46:13,146 INFO L142 QuantifierPusher]: treesize reduction 32, result has 70.9 percent of original size [2021-04-16 06:46:13,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-04-16 06:46:13,159 INFO L142 QuantifierPusher]: treesize reduction 32, result has 70.9 percent of original size [2021-04-16 06:46:13,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-04-16 06:46:13,174 INFO L142 QuantifierPusher]: treesize reduction 59, result has 80.5 percent of original size [2021-04-16 06:46:13,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 244 [2021-04-16 06:46:13,199 INFO L142 QuantifierPusher]: treesize reduction 59, result has 80.5 percent of original size [2021-04-16 06:46:13,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 244 [2021-04-16 06:46:13,234 INFO L142 QuantifierPusher]: treesize reduction 42, result has 92.7 percent of original size [2021-04-16 06:46:13,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 530 [2021-04-16 06:46:13,361 INFO L142 QuantifierPusher]: treesize reduction 50, result has 83.2 percent of original size [2021-04-16 06:46:13,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 248 [2021-04-16 06:46:13,474 INFO L142 QuantifierPusher]: treesize reduction 38, result has 75.5 percent of original size [2021-04-16 06:46:13,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 117 [2021-04-16 06:46:13,540 INFO L142 QuantifierPusher]: treesize reduction 38, result has 75.9 percent of original size [2021-04-16 06:46:13,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-04-16 06:46:13,630 INFO L142 QuantifierPusher]: treesize reduction 42, result has 77.9 percent of original size [2021-04-16 06:46:13,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-04-16 06:46:13,706 INFO L142 QuantifierPusher]: treesize reduction 17, result has 96.4 percent of original size [2021-04-16 06:46:13,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 457 [2021-04-16 06:46:13,857 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 77 [2021-04-16 06:46:13,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:13,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 06:46:13,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:13,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:46:13,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:13,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:46:13,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:13,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:13,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:46:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:13,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:13,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:13,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-04-16 06:46:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:13,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:13,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:13,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-04-16 06:46:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:13,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:13,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:13,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:46:13,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [870929205] [2021-04-16 06:46:13,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:46:13,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-04-16 06:46:13,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736037310] [2021-04-16 06:46:13,964 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-04-16 06:46:13,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:46:13,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-04-16 06:46:13,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2021-04-16 06:46:13,965 INFO L87 Difference]: Start difference. First operand 60 states and 63 transitions. Second operand has 22 states, 21 states have (on average 2.1904761904761907) internal successors, (46), 20 states have internal predecessors, (46), 4 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-04-16 06:46:15,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:46:15,112 INFO L93 Difference]: Finished difference Result 110 states and 119 transitions. [2021-04-16 06:46:15,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-04-16 06:46:15,113 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.1904761904761907) internal successors, (46), 20 states have internal predecessors, (46), 4 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 57 [2021-04-16 06:46:15,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:46:15,115 INFO L225 Difference]: With dead ends: 110 [2021-04-16 06:46:15,115 INFO L226 Difference]: Without dead ends: 108 [2021-04-16 06:46:15,115 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 9 SyntacticMatches, 5 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 1888.2ms TimeCoverageRelationStatistics Valid=140, Invalid=916, Unknown=0, NotChecked=0, Total=1056 [2021-04-16 06:46:15,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2021-04-16 06:46:15,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 97. [2021-04-16 06:46:15,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 83 states have (on average 1.0843373493975903) internal successors, (90), 85 states have internal predecessors, (90), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2021-04-16 06:46:15,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 105 transitions. [2021-04-16 06:46:15,128 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 105 transitions. Word has length 57 [2021-04-16 06:46:15,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:46:15,129 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 105 transitions. [2021-04-16 06:46:15,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 21 states have (on average 2.1904761904761907) internal successors, (46), 20 states have internal predecessors, (46), 4 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-04-16 06:46:15,129 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 105 transitions. [2021-04-16 06:46:15,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-04-16 06:46:15,130 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:46:15,130 INFO L519 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:46:15,130 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-16 06:46:15,130 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:46:15,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:46:15,131 INFO L82 PathProgramCache]: Analyzing trace with hash -440357820, now seen corresponding path program 5 times [2021-04-16 06:46:15,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:46:15,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1910709537] [2021-04-16 06:46:15,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:46:15,135 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:46:15,136 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:46:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:15,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:15,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:15,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:15,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 06:46:15,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:15,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:46:15,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:15,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:46:15,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:15,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:46:15,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:15,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-16 06:46:15,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:15,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 06:46:15,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:15,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-16 06:46:15,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:15,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:46:15,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:15,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:46:15,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:15,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-16 06:46:15,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:15,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:15,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:46:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:15,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:15,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:15,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-04-16 06:46:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:15,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:15,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:15,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-04-16 06:46:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:15,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:15,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:15,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:46:15,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1910709537] [2021-04-16 06:46:15,296 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:46:15,296 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-04-16 06:46:15,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991533560] [2021-04-16 06:46:15,296 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-16 06:46:15,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:46:15,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-16 06:46:15,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-04-16 06:46:15,298 INFO L87 Difference]: Start difference. First operand 97 states and 105 transitions. Second operand has 13 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 12 states have internal predecessors, (41), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-04-16 06:46:15,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:46:15,851 INFO L93 Difference]: Finished difference Result 195 states and 216 transitions. [2021-04-16 06:46:15,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-16 06:46:15,851 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 12 states have internal predecessors, (41), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 60 [2021-04-16 06:46:15,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:46:15,855 INFO L225 Difference]: With dead ends: 195 [2021-04-16 06:46:15,855 INFO L226 Difference]: Without dead ends: 147 [2021-04-16 06:46:15,856 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 180.0ms TimeCoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2021-04-16 06:46:15,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2021-04-16 06:46:15,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 108. [2021-04-16 06:46:15,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 94 states have (on average 1.0851063829787233) internal successors, (102), 96 states have internal predecessors, (102), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2021-04-16 06:46:15,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 117 transitions. [2021-04-16 06:46:15,884 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 117 transitions. Word has length 60 [2021-04-16 06:46:15,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:46:15,884 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 117 transitions. [2021-04-16 06:46:15,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 12 states have internal predecessors, (41), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-04-16 06:46:15,884 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 117 transitions. [2021-04-16 06:46:15,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-04-16 06:46:15,889 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:46:15,889 INFO L519 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:46:15,889 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-16 06:46:15,889 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:46:15,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:46:15,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1329326907, now seen corresponding path program 6 times [2021-04-16 06:46:15,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:46:15,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2134856916] [2021-04-16 06:46:15,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:46:15,897 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:46:15,898 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:46:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:15,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:15,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:15,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:15,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 06:46:15,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:15,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:46:15,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:15,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:46:15,992 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-16 06:46:15,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-16 06:46:16,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:16,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 06:46:16,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:16,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-16 06:46:16,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:16,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:46:16,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:16,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:46:16,036 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-04-16 06:46:16,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-16 06:46:16,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:16,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:16,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:46:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:16,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:16,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:16,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-04-16 06:46:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:16,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:16,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:16,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-04-16 06:46:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:16,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:16,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:16,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-04-16 06:46:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:16,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:16,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:16,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:46:16,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2134856916] [2021-04-16 06:46:16,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:46:16,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-04-16 06:46:16,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601497976] [2021-04-16 06:46:16,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-16 06:46:16,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:46:16,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-16 06:46:16,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-04-16 06:46:16,087 INFO L87 Difference]: Start difference. First operand 108 states and 117 transitions. Second operand has 12 states, 12 states have (on average 3.25) internal successors, (39), 11 states have internal predecessors, (39), 5 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-04-16 06:46:16,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:46:16,391 INFO L93 Difference]: Finished difference Result 166 states and 178 transitions. [2021-04-16 06:46:16,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-16 06:46:16,392 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 11 states have internal predecessors, (39), 5 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 65 [2021-04-16 06:46:16,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:46:16,392 INFO L225 Difference]: With dead ends: 166 [2021-04-16 06:46:16,393 INFO L226 Difference]: Without dead ends: 83 [2021-04-16 06:46:16,393 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 105.9ms TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-04-16 06:46:16,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-04-16 06:46:16,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 68. [2021-04-16 06:46:16,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 58 states have (on average 1.0689655172413792) internal successors, (62), 59 states have internal predecessors, (62), 5 states have call successors, (5), 5 states have call predecessors, (5), 4 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2021-04-16 06:46:16,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 71 transitions. [2021-04-16 06:46:16,401 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 71 transitions. Word has length 65 [2021-04-16 06:46:16,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:46:16,401 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 71 transitions. [2021-04-16 06:46:16,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 11 states have internal predecessors, (39), 5 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-04-16 06:46:16,401 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 71 transitions. [2021-04-16 06:46:16,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-04-16 06:46:16,403 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:46:16,403 INFO L519 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:46:16,403 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-16 06:46:16,403 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:46:16,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:46:16,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1036675235, now seen corresponding path program 7 times [2021-04-16 06:46:16,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:46:16,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [167361026] [2021-04-16 06:46:16,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:46:16,416 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:46:16,417 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:46:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:16,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:16,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:16,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:16,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-16 06:46:16,749 INFO L142 QuantifierPusher]: treesize reduction 13, result has 71.7 percent of original size [2021-04-16 06:46:16,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-16 06:46:16,766 INFO L142 QuantifierPusher]: treesize reduction 38, result has 51.3 percent of original size [2021-04-16 06:46:16,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-16 06:46:16,873 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 20 [2021-04-16 06:46:16,875 INFO L142 QuantifierPusher]: treesize reduction 61, result has 64.9 percent of original size [2021-04-16 06:46:16,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-04-16 06:46:16,922 INFO L142 QuantifierPusher]: treesize reduction 87, result has 67.8 percent of original size [2021-04-16 06:46:16,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-04-16 06:46:16,973 INFO L142 QuantifierPusher]: treesize reduction 48, result has 73.6 percent of original size [2021-04-16 06:46:16,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-04-16 06:46:17,025 INFO L142 QuantifierPusher]: treesize reduction 19, result has 58.7 percent of original size [2021-04-16 06:46:17,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-16 06:46:17,041 INFO L142 QuantifierPusher]: treesize reduction 37, result has 44.8 percent of original size [2021-04-16 06:46:17,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-16 06:46:17,058 INFO L142 QuantifierPusher]: treesize reduction 20, result has 73.0 percent of original size [2021-04-16 06:46:17,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-04-16 06:46:17,069 INFO L142 QuantifierPusher]: treesize reduction 24, result has 66.7 percent of original size [2021-04-16 06:46:17,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-16 06:46:17,101 INFO L142 QuantifierPusher]: treesize reduction 30, result has 93.9 percent of original size [2021-04-16 06:46:17,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 462 [2021-04-16 06:46:17,192 INFO L142 QuantifierPusher]: treesize reduction 119, result has 74.7 percent of original size [2021-04-16 06:46:17,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 351 [2021-04-16 06:46:17,275 INFO L142 QuantifierPusher]: treesize reduction 131, result has 55.0 percent of original size [2021-04-16 06:46:17,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-04-16 06:46:17,371 INFO L142 QuantifierPusher]: treesize reduction 64, result has 52.6 percent of original size [2021-04-16 06:46:17,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-04-16 06:46:17,408 INFO L142 QuantifierPusher]: treesize reduction 42, result has 62.8 percent of original size [2021-04-16 06:46:17,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-04-16 06:46:17,419 INFO L142 QuantifierPusher]: treesize reduction 42, result has 63.8 percent of original size [2021-04-16 06:46:17,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-04-16 06:46:17,460 INFO L142 QuantifierPusher]: treesize reduction 45, result has 72.7 percent of original size [2021-04-16 06:46:17,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-04-16 06:46:17,521 INFO L142 QuantifierPusher]: treesize reduction 46, result has 86.1 percent of original size [2021-04-16 06:46:17,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 285 [2021-04-16 06:46:17,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:17,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 06:46:17,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:17,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:46:17,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:17,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:46:17,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:17,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:17,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:46:17,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:17,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:17,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:17,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-04-16 06:46:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:17,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:17,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:17,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-04-16 06:46:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:17,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:17,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:17,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:46:17,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [167361026] [2021-04-16 06:46:17,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:46:17,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-04-16 06:46:17,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436192726] [2021-04-16 06:46:17,725 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-04-16 06:46:17,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:46:17,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-04-16 06:46:17,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2021-04-16 06:46:17,726 INFO L87 Difference]: Start difference. First operand 68 states and 71 transitions. Second operand has 22 states, 21 states have (on average 2.142857142857143) internal successors, (45), 20 states have internal predecessors, (45), 4 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-04-16 06:46:19,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:46:19,250 INFO L93 Difference]: Finished difference Result 138 states and 151 transitions. [2021-04-16 06:46:19,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-04-16 06:46:19,251 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.142857142857143) internal successors, (45), 20 states have internal predecessors, (45), 4 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 65 [2021-04-16 06:46:19,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:46:19,252 INFO L225 Difference]: With dead ends: 138 [2021-04-16 06:46:19,252 INFO L226 Difference]: Without dead ends: 136 [2021-04-16 06:46:19,252 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 330 ImplicationChecksByTransitivity, 1780.1ms TimeCoverageRelationStatistics Valid=240, Invalid=1320, Unknown=0, NotChecked=0, Total=1560 [2021-04-16 06:46:19,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2021-04-16 06:46:19,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 110. [2021-04-16 06:46:19,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 96 states have (on average 1.0729166666666667) internal successors, (103), 98 states have internal predecessors, (103), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2021-04-16 06:46:19,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 118 transitions. [2021-04-16 06:46:19,266 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 118 transitions. Word has length 65 [2021-04-16 06:46:19,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:46:19,266 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 118 transitions. [2021-04-16 06:46:19,266 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 21 states have (on average 2.142857142857143) internal successors, (45), 20 states have internal predecessors, (45), 4 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-04-16 06:46:19,266 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 118 transitions. [2021-04-16 06:46:19,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-04-16 06:46:19,267 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:46:19,267 INFO L519 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:46:19,267 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-16 06:46:19,267 INFO L428 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:46:19,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:46:19,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1431237116, now seen corresponding path program 8 times [2021-04-16 06:46:19,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:46:19,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1753312951] [2021-04-16 06:46:19,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:46:19,273 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:46:19,274 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:46:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:19,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:19,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:19,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:19,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 06:46:19,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:19,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:46:19,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:19,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:46:19,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:19,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:46:19,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:19,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:46:19,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:19,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-16 06:46:19,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:19,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 06:46:19,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:19,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-16 06:46:19,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:19,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:46:19,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:19,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:46:19,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:19,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:46:19,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:19,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-16 06:46:19,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:19,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:19,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:46:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:19,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:19,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:19,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-04-16 06:46:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:19,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:19,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:19,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-04-16 06:46:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:19,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:19,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:19,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:46:19,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1753312951] [2021-04-16 06:46:19,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:46:19,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-04-16 06:46:19,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158223885] [2021-04-16 06:46:19,461 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-04-16 06:46:19,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:46:19,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-04-16 06:46:19,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-04-16 06:46:19,462 INFO L87 Difference]: Start difference. First operand 110 states and 118 transitions. Second operand has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 14 states have internal predecessors, (47), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-04-16 06:46:20,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:46:20,259 INFO L93 Difference]: Finished difference Result 220 states and 243 transitions. [2021-04-16 06:46:20,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-04-16 06:46:20,259 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 14 states have internal predecessors, (47), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 68 [2021-04-16 06:46:20,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:46:20,260 INFO L225 Difference]: With dead ends: 220 [2021-04-16 06:46:20,260 INFO L226 Difference]: Without dead ends: 170 [2021-04-16 06:46:20,261 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 272.4ms TimeCoverageRelationStatistics Valid=95, Invalid=457, Unknown=0, NotChecked=0, Total=552 [2021-04-16 06:46:20,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2021-04-16 06:46:20,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 121. [2021-04-16 06:46:20,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 107 states have (on average 1.074766355140187) internal successors, (115), 109 states have internal predecessors, (115), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2021-04-16 06:46:20,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 130 transitions. [2021-04-16 06:46:20,291 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 130 transitions. Word has length 68 [2021-04-16 06:46:20,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:46:20,291 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 130 transitions. [2021-04-16 06:46:20,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 14 states have internal predecessors, (47), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-04-16 06:46:20,292 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 130 transitions. [2021-04-16 06:46:20,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-04-16 06:46:20,292 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:46:20,292 INFO L519 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:46:20,292 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-16 06:46:20,292 INFO L428 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:46:20,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:46:20,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1312525181, now seen corresponding path program 9 times [2021-04-16 06:46:20,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:46:20,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [270651170] [2021-04-16 06:46:20,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:46:20,298 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:46:20,299 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:46:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:20,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:20,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:20,574 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.7 percent of original size [2021-04-16 06:46:20,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-16 06:46:20,591 INFO L142 QuantifierPusher]: treesize reduction 39, result has 55.7 percent of original size [2021-04-16 06:46:20,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-16 06:46:20,612 INFO L142 QuantifierPusher]: treesize reduction 39, result has 55.7 percent of original size [2021-04-16 06:46:20,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-16 06:46:20,634 INFO L142 QuantifierPusher]: treesize reduction 49, result has 57.4 percent of original size [2021-04-16 06:46:20,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-04-16 06:46:20,674 INFO L142 QuantifierPusher]: treesize reduction 111, result has 41.3 percent of original size [2021-04-16 06:46:20,675 INFO L147 QuantifierPusher]: treesize reduction 14, result has 82.1 percent of original size 64 [2021-04-16 06:46:20,684 INFO L142 QuantifierPusher]: treesize reduction 86, result has 58.3 percent of original size [2021-04-16 06:46:20,685 INFO L147 QuantifierPusher]: treesize reduction 5, result has 95.8 percent of original size 115 [2021-04-16 06:46:20,737 INFO L142 QuantifierPusher]: treesize reduction 91, result has 56.5 percent of original size [2021-04-16 06:46:20,738 INFO L147 QuantifierPusher]: treesize reduction 5, result has 95.8 percent of original size 113 [2021-04-16 06:46:20,775 INFO L142 QuantifierPusher]: treesize reduction 91, result has 57.1 percent of original size [2021-04-16 06:46:20,776 INFO L147 QuantifierPusher]: treesize reduction 5, result has 95.9 percent of original size 116 [2021-04-16 06:46:20,814 INFO L142 QuantifierPusher]: treesize reduction 91, result has 57.1 percent of original size [2021-04-16 06:46:20,820 INFO L147 QuantifierPusher]: treesize reduction 5, result has 95.9 percent of original size 116 [2021-04-16 06:46:20,822 INFO L142 QuantifierPusher]: treesize reduction 97, result has 63.0 percent of original size [2021-04-16 06:46:20,823 INFO L147 QuantifierPusher]: treesize reduction 5, result has 97.0 percent of original size 160 [2021-04-16 06:46:20,888 INFO L142 QuantifierPusher]: treesize reduction 97, result has 63.0 percent of original size [2021-04-16 06:46:20,889 INFO L147 QuantifierPusher]: treesize reduction 5, result has 97.0 percent of original size 160 [2021-04-16 06:46:20,891 INFO L142 QuantifierPusher]: treesize reduction 97, result has 63.0 percent of original size [2021-04-16 06:46:20,895 INFO L147 QuantifierPusher]: treesize reduction 5, result has 97.0 percent of original size 160 [2021-04-16 06:46:20,965 INFO L142 QuantifierPusher]: treesize reduction 97, result has 63.0 percent of original size [2021-04-16 06:46:20,969 INFO L147 QuantifierPusher]: treesize reduction 5, result has 97.0 percent of original size 160 [2021-04-16 06:46:20,972 INFO L142 QuantifierPusher]: treesize reduction 97, result has 73.1 percent of original size [2021-04-16 06:46:20,973 INFO L147 QuantifierPusher]: treesize reduction 5, result has 98.1 percent of original size 258 [2021-04-16 06:46:21,075 INFO L142 QuantifierPusher]: treesize reduction 110, result has 60.7 percent of original size [2021-04-16 06:46:21,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-04-16 06:46:21,142 INFO L142 QuantifierPusher]: treesize reduction 108, result has 49.1 percent of original size [2021-04-16 06:46:21,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-04-16 06:46:21,180 INFO L142 QuantifierPusher]: treesize reduction 108, result has 49.8 percent of original size [2021-04-16 06:46:21,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-04-16 06:46:21,225 INFO L142 QuantifierPusher]: treesize reduction 108, result has 49.8 percent of original size [2021-04-16 06:46:21,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-04-16 06:46:21,238 INFO L142 QuantifierPusher]: treesize reduction 79, result has 76.3 percent of original size [2021-04-16 06:46:21,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 255 [2021-04-16 06:46:21,332 INFO L142 QuantifierPusher]: treesize reduction 79, result has 76.3 percent of original size [2021-04-16 06:46:21,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 255 [2021-04-16 06:46:21,335 INFO L142 QuantifierPusher]: treesize reduction 79, result has 76.3 percent of original size [2021-04-16 06:46:21,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 255 [2021-04-16 06:46:21,436 INFO L142 QuantifierPusher]: treesize reduction 79, result has 76.3 percent of original size [2021-04-16 06:46:21,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 255 [2021-04-16 06:46:21,448 INFO L142 QuantifierPusher]: treesize reduction 87, result has 84.9 percent of original size [2021-04-16 06:46:21,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 490 [2021-04-16 06:46:21,593 INFO L142 QuantifierPusher]: treesize reduction 105, result has 71.6 percent of original size [2021-04-16 06:46:21,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 265 [2021-04-16 06:46:21,696 INFO L142 QuantifierPusher]: treesize reduction 84, result has 65.0 percent of original size [2021-04-16 06:46:21,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 156 [2021-04-16 06:46:21,777 INFO L142 QuantifierPusher]: treesize reduction 84, result has 65.4 percent of original size [2021-04-16 06:46:21,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 159 [2021-04-16 06:46:21,865 INFO L142 QuantifierPusher]: treesize reduction 98, result has 69.5 percent of original size [2021-04-16 06:46:21,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 223 [2021-04-16 06:46:21,951 INFO L142 QuantifierPusher]: treesize reduction 98, result has 69.5 percent of original size [2021-04-16 06:46:21,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 223 [2021-04-16 06:46:22,040 INFO L142 QuantifierPusher]: treesize reduction 252, result has 35.1 percent of original size [2021-04-16 06:46:22,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-04-16 06:46:22,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:22,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 06:46:22,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:22,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:46:22,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:22,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:46:22,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:22,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:22,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:46:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:22,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:22,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:22,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-04-16 06:46:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:22,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:22,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:22,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-04-16 06:46:22,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:22,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:22,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:22,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-04-16 06:46:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:22,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:22,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:22,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:46:22,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [270651170] [2021-04-16 06:46:22,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:46:22,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-04-16 06:46:22,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077094757] [2021-04-16 06:46:22,423 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-04-16 06:46:22,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:46:22,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-04-16 06:46:22,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=679, Unknown=0, NotChecked=0, Total=756 [2021-04-16 06:46:22,424 INFO L87 Difference]: Start difference. First operand 121 states and 130 transitions. Second operand has 28 states, 27 states have (on average 2.111111111111111) internal successors, (57), 26 states have internal predecessors, (57), 5 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-04-16 06:46:24,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:46:24,925 INFO L93 Difference]: Finished difference Result 156 states and 168 transitions. [2021-04-16 06:46:24,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-04-16 06:46:24,925 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 2.111111111111111) internal successors, (57), 26 states have internal predecessors, (57), 5 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 73 [2021-04-16 06:46:24,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:46:24,926 INFO L225 Difference]: With dead ends: 156 [2021-04-16 06:46:24,926 INFO L226 Difference]: Without dead ends: 154 [2021-04-16 06:46:24,927 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 471 ImplicationChecksByTransitivity, 3183.0ms TimeCoverageRelationStatistics Valid=324, Invalid=2226, Unknown=0, NotChecked=0, Total=2550 [2021-04-16 06:46:24,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-04-16 06:46:24,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 129. [2021-04-16 06:46:24,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 113 states have (on average 1.0707964601769913) internal successors, (121), 115 states have internal predecessors, (121), 9 states have call successors, (9), 7 states have call predecessors, (9), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2021-04-16 06:46:24,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 138 transitions. [2021-04-16 06:46:24,945 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 138 transitions. Word has length 73 [2021-04-16 06:46:24,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:46:24,946 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 138 transitions. [2021-04-16 06:46:24,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 27 states have (on average 2.111111111111111) internal successors, (57), 26 states have internal predecessors, (57), 5 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-04-16 06:46:24,946 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 138 transitions. [2021-04-16 06:46:24,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-04-16 06:46:24,946 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:46:24,946 INFO L519 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:46:24,947 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-16 06:46:24,947 INFO L428 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:46:24,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:46:24,947 INFO L82 PathProgramCache]: Analyzing trace with hash -296982489, now seen corresponding path program 10 times [2021-04-16 06:46:24,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:46:24,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [82232664] [2021-04-16 06:46:24,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:46:24,951 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:46:24,952 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:46:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:25,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:25,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:25,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:25,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-16 06:46:25,276 INFO L142 QuantifierPusher]: treesize reduction 6, result has 89.8 percent of original size [2021-04-16 06:46:25,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-16 06:46:25,299 INFO L142 QuantifierPusher]: treesize reduction 17, result has 82.5 percent of original size [2021-04-16 06:46:25,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-04-16 06:46:25,353 INFO L142 QuantifierPusher]: treesize reduction 34, result has 76.6 percent of original size [2021-04-16 06:46:25,354 INFO L147 QuantifierPusher]: treesize reduction 9, result has 91.9 percent of original size 102 [2021-04-16 06:46:25,362 INFO L142 QuantifierPusher]: treesize reduction 3, result has 94.3 percent of original size [2021-04-16 06:46:25,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-04-16 06:46:25,395 INFO L142 QuantifierPusher]: treesize reduction 13, result has 83.8 percent of original size [2021-04-16 06:46:25,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-04-16 06:46:25,435 INFO L142 QuantifierPusher]: treesize reduction 21, result has 76.1 percent of original size [2021-04-16 06:46:25,435 INFO L147 QuantifierPusher]: treesize reduction 9, result has 86.6 percent of original size 58 [2021-04-16 06:46:25,478 INFO L142 QuantifierPusher]: treesize reduction 134, result has 61.5 percent of original size [2021-04-16 06:46:25,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 214 [2021-04-16 06:46:25,536 INFO L142 QuantifierPusher]: treesize reduction 134, result has 61.8 percent of original size [2021-04-16 06:46:25,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 217 [2021-04-16 06:46:25,548 INFO L142 QuantifierPusher]: treesize reduction 158, result has 60.9 percent of original size [2021-04-16 06:46:25,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 246 [2021-04-16 06:46:25,636 INFO L142 QuantifierPusher]: treesize reduction 158, result has 60.9 percent of original size [2021-04-16 06:46:25,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 246 [2021-04-16 06:46:25,748 INFO L142 QuantifierPusher]: treesize reduction 89, result has 68.7 percent of original size [2021-04-16 06:46:25,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-04-16 06:46:25,821 INFO L142 QuantifierPusher]: treesize reduction 102, result has 57.0 percent of original size [2021-04-16 06:46:25,822 INFO L147 QuantifierPusher]: treesize reduction 20, result has 85.2 percent of original size 115 [2021-04-16 06:46:25,888 INFO L142 QuantifierPusher]: treesize reduction 82, result has 52.3 percent of original size [2021-04-16 06:46:25,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-04-16 06:46:25,901 INFO L142 QuantifierPusher]: treesize reduction 82, result has 53.1 percent of original size [2021-04-16 06:46:25,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-04-16 06:46:25,906 INFO L142 QuantifierPusher]: treesize reduction 106, result has 58.3 percent of original size [2021-04-16 06:46:25,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-04-16 06:46:25,916 INFO L142 QuantifierPusher]: treesize reduction 241, result has 56.9 percent of original size [2021-04-16 06:46:25,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 318 [2021-04-16 06:46:26,030 INFO L142 QuantifierPusher]: treesize reduction 291, result has 38.2 percent of original size [2021-04-16 06:46:26,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-04-16 06:46:26,095 INFO L142 QuantifierPusher]: treesize reduction 9, result has 97.2 percent of original size [2021-04-16 06:46:26,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-04-16 06:46:26,180 INFO L142 QuantifierPusher]: treesize reduction 34, result has 78.1 percent of original size [2021-04-16 06:46:26,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-04-16 06:46:26,203 INFO L142 QuantifierPusher]: treesize reduction 19, result has 93.6 percent of original size [2021-04-16 06:46:26,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 276 [2021-04-16 06:46:26,289 INFO L142 QuantifierPusher]: treesize reduction 23, result has 75.0 percent of original size [2021-04-16 06:46:26,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-04-16 06:46:26,330 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.2 percent of original size [2021-04-16 06:46:26,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-04-16 06:46:26,331 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.5 percent of original size [2021-04-16 06:46:26,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-04-16 06:46:26,369 INFO L142 QuantifierPusher]: treesize reduction 5, result has 94.4 percent of original size [2021-04-16 06:46:26,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-04-16 06:46:26,416 INFO L142 QuantifierPusher]: treesize reduction 23, result has 94.8 percent of original size [2021-04-16 06:46:26,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 423 [2021-04-16 06:46:26,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:26,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 06:46:26,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:26,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:46:26,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:26,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:46:26,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:26,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:26,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:46:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:26,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:26,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:26,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-04-16 06:46:26,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:26,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:26,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:26,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-04-16 06:46:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:26,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:26,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:26,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:46:26,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [82232664] [2021-04-16 06:46:26,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:46:26,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-04-16 06:46:26,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630068474] [2021-04-16 06:46:26,608 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-04-16 06:46:26,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:46:26,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-04-16 06:46:26,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2021-04-16 06:46:26,609 INFO L87 Difference]: Start difference. First operand 129 states and 138 transitions. Second operand has 25 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 4 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-04-16 06:46:27,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:46:27,498 INFO L93 Difference]: Finished difference Result 167 states and 179 transitions. [2021-04-16 06:46:27,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-04-16 06:46:27,499 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 4 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 73 [2021-04-16 06:46:27,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:46:27,501 INFO L225 Difference]: With dead ends: 167 [2021-04-16 06:46:27,501 INFO L226 Difference]: Without dead ends: 165 [2021-04-16 06:46:27,502 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 8 SyntacticMatches, 6 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 1564.2ms TimeCoverageRelationStatistics Valid=237, Invalid=953, Unknown=0, NotChecked=0, Total=1190 [2021-04-16 06:46:27,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-04-16 06:46:27,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 129. [2021-04-16 06:46:27,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 113 states have (on average 1.0707964601769913) internal successors, (121), 115 states have internal predecessors, (121), 9 states have call successors, (9), 7 states have call predecessors, (9), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2021-04-16 06:46:27,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 138 transitions. [2021-04-16 06:46:27,543 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 138 transitions. Word has length 73 [2021-04-16 06:46:27,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:46:27,543 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 138 transitions. [2021-04-16 06:46:27,543 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 4 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-04-16 06:46:27,543 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 138 transitions. [2021-04-16 06:46:27,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-04-16 06:46:27,543 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:46:27,544 INFO L519 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:46:27,544 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-16 06:46:27,545 INFO L428 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:46:27,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:46:27,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1229900713, now seen corresponding path program 11 times [2021-04-16 06:46:27,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:46:27,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1230882519] [2021-04-16 06:46:27,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:46:27,549 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:46:27,551 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:46:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:27,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:27,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:27,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:27,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 06:46:27,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:27,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:46:27,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:27,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:46:27,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:27,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:46:27,691 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-16 06:46:27,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-16 06:46:27,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:27,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 06:46:27,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:27,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-16 06:46:27,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:27,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:46:27,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:27,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:46:27,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:27,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:46:27,775 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-04-16 06:46:27,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-16 06:46:27,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:27,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:27,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:46:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:27,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:27,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:27,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-04-16 06:46:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:27,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:27,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:27,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-04-16 06:46:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:27,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:27,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:27,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-04-16 06:46:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:27,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:27,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:27,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-04-16 06:46:27,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:27,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:27,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:27,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:46:27,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1230882519] [2021-04-16 06:46:27,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:46:27,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-04-16 06:46:27,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528346494] [2021-04-16 06:46:27,853 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-16 06:46:27,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:46:27,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-16 06:46:27,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-04-16 06:46:27,854 INFO L87 Difference]: Start difference. First operand 129 states and 138 transitions. Second operand has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 13 states have internal predecessors, (45), 6 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-04-16 06:46:28,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:46:28,366 INFO L93 Difference]: Finished difference Result 201 states and 214 transitions. [2021-04-16 06:46:28,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-16 06:46:28,367 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 13 states have internal predecessors, (45), 6 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 81 [2021-04-16 06:46:28,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:46:28,368 INFO L225 Difference]: With dead ends: 201 [2021-04-16 06:46:28,368 INFO L226 Difference]: Without dead ends: 99 [2021-04-16 06:46:28,368 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 234.7ms TimeCoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-04-16 06:46:28,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-04-16 06:46:28,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 84. [2021-04-16 06:46:28,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 72 states have (on average 1.0555555555555556) internal successors, (76), 73 states have internal predecessors, (76), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2021-04-16 06:46:28,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 87 transitions. [2021-04-16 06:46:28,380 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 87 transitions. Word has length 81 [2021-04-16 06:46:28,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:46:28,380 INFO L480 AbstractCegarLoop]: Abstraction has 84 states and 87 transitions. [2021-04-16 06:46:28,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 13 states have internal predecessors, (45), 6 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-04-16 06:46:28,381 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 87 transitions. [2021-04-16 06:46:28,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-04-16 06:46:28,381 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:46:28,381 INFO L519 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:46:28,381 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-04-16 06:46:28,381 INFO L428 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:46:28,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:46:28,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1952987391, now seen corresponding path program 12 times [2021-04-16 06:46:28,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:46:28,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [385368136] [2021-04-16 06:46:28,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:46:28,388 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:46:28,389 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:46:28,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:28,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:28,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:28,683 INFO L142 QuantifierPusher]: treesize reduction 10, result has 80.8 percent of original size [2021-04-16 06:46:28,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-16 06:46:28,706 INFO L142 QuantifierPusher]: treesize reduction 19, result has 75.3 percent of original size [2021-04-16 06:46:28,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-04-16 06:46:28,752 INFO L142 QuantifierPusher]: treesize reduction 19, result has 75.3 percent of original size [2021-04-16 06:46:28,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-04-16 06:46:28,788 INFO L142 QuantifierPusher]: treesize reduction 35, result has 65.0 percent of original size [2021-04-16 06:46:28,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-04-16 06:46:28,830 INFO L142 QuantifierPusher]: treesize reduction 133, result has 40.9 percent of original size [2021-04-16 06:46:28,831 INFO L147 QuantifierPusher]: treesize reduction 9, result has 90.2 percent of original size 83 [2021-04-16 06:46:28,879 INFO L142 QuantifierPusher]: treesize reduction 54, result has 85.8 percent of original size [2021-04-16 06:46:28,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 325 [2021-04-16 06:46:28,970 INFO L142 QuantifierPusher]: treesize reduction 52, result has 81.0 percent of original size [2021-04-16 06:46:28,972 INFO L147 QuantifierPusher]: treesize reduction 9, result has 95.9 percent of original size 212 [2021-04-16 06:46:28,990 INFO L142 QuantifierPusher]: treesize reduction 81, result has 72.1 percent of original size [2021-04-16 06:46:28,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 209 [2021-04-16 06:46:29,063 INFO L142 QuantifierPusher]: treesize reduction 80, result has 63.1 percent of original size [2021-04-16 06:46:29,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-04-16 06:46:29,113 INFO L142 QuantifierPusher]: treesize reduction 80, result has 63.1 percent of original size [2021-04-16 06:46:29,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-04-16 06:46:29,115 INFO L142 QuantifierPusher]: treesize reduction 80, result has 63.1 percent of original size [2021-04-16 06:46:29,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-04-16 06:46:29,117 INFO L142 QuantifierPusher]: treesize reduction 80, result has 63.1 percent of original size [2021-04-16 06:46:29,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-04-16 06:46:29,119 INFO L142 QuantifierPusher]: treesize reduction 80, result has 63.1 percent of original size [2021-04-16 06:46:29,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-04-16 06:46:29,121 INFO L142 QuantifierPusher]: treesize reduction 80, result has 62.4 percent of original size [2021-04-16 06:46:29,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-04-16 06:46:29,163 INFO L142 QuantifierPusher]: treesize reduction 80, result has 63.0 percent of original size [2021-04-16 06:46:29,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-04-16 06:46:29,207 INFO L142 QuantifierPusher]: treesize reduction 80, result has 63.0 percent of original size [2021-04-16 06:46:29,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-04-16 06:46:29,212 INFO L142 QuantifierPusher]: treesize reduction 99, result has 63.1 percent of original size [2021-04-16 06:46:29,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 169 [2021-04-16 06:46:29,284 INFO L142 QuantifierPusher]: treesize reduction 99, result has 63.1 percent of original size [2021-04-16 06:46:29,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 169 [2021-04-16 06:46:29,298 INFO L142 QuantifierPusher]: treesize reduction 99, result has 63.1 percent of original size [2021-04-16 06:46:29,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 169 [2021-04-16 06:46:29,374 INFO L142 QuantifierPusher]: treesize reduction 99, result has 63.1 percent of original size [2021-04-16 06:46:29,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 169 [2021-04-16 06:46:29,379 INFO L142 QuantifierPusher]: treesize reduction 71, result has 87.7 percent of original size [2021-04-16 06:46:29,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 505 [2021-04-16 06:46:29,527 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 60 [2021-04-16 06:46:29,532 INFO L142 QuantifierPusher]: treesize reduction 71, result has 86.9 percent of original size [2021-04-16 06:46:29,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 469 [2021-04-16 06:46:29,678 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 62 [2021-04-16 06:46:29,683 INFO L142 QuantifierPusher]: treesize reduction 52, result has 87.2 percent of original size [2021-04-16 06:46:29,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 354 [2021-04-16 06:46:29,828 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 71 [2021-04-16 06:46:29,843 INFO L142 QuantifierPusher]: treesize reduction 56, result has 76.2 percent of original size [2021-04-16 06:46:29,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-04-16 06:46:29,925 INFO L142 QuantifierPusher]: treesize reduction 54, result has 75.0 percent of original size [2021-04-16 06:46:29,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 162 [2021-04-16 06:46:29,956 INFO L142 QuantifierPusher]: treesize reduction 54, result has 75.3 percent of original size [2021-04-16 06:46:29,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 165 [2021-04-16 06:46:30,042 INFO L142 QuantifierPusher]: treesize reduction 68, result has 76.9 percent of original size [2021-04-16 06:46:30,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 227 [2021-04-16 06:46:30,127 INFO L142 QuantifierPusher]: treesize reduction 68, result has 76.9 percent of original size [2021-04-16 06:46:30,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 227 [2021-04-16 06:46:30,216 INFO L142 QuantifierPusher]: treesize reduction 203, result has 40.8 percent of original size [2021-04-16 06:46:30,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-04-16 06:46:30,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:30,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 06:46:30,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:30,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:46:30,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:30,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:46:30,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:30,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:30,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:46:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:30,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:30,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:30,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-04-16 06:46:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:30,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:30,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:30,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-04-16 06:46:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:30,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:30,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:30,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-04-16 06:46:30,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:30,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:30,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:30,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:46:30,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [385368136] [2021-04-16 06:46:30,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:46:30,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-04-16 06:46:30,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465181567] [2021-04-16 06:46:30,425 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-04-16 06:46:30,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:46:30,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-04-16 06:46:30,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=583, Unknown=0, NotChecked=0, Total=650 [2021-04-16 06:46:30,425 INFO L87 Difference]: Start difference. First operand 84 states and 87 transitions. Second operand has 26 states, 25 states have (on average 2.24) internal successors, (56), 24 states have internal predecessors, (56), 5 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-04-16 06:46:30,726 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2021-04-16 06:46:32,450 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 104 [2021-04-16 06:46:33,844 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 109 [2021-04-16 06:46:34,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:46:34,225 INFO L93 Difference]: Finished difference Result 180 states and 200 transitions. [2021-04-16 06:46:34,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-04-16 06:46:34,225 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 2.24) internal successors, (56), 24 states have internal predecessors, (56), 5 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 81 [2021-04-16 06:46:34,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:46:34,226 INFO L225 Difference]: With dead ends: 180 [2021-04-16 06:46:34,226 INFO L226 Difference]: Without dead ends: 178 [2021-04-16 06:46:34,227 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 17 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 689 ImplicationChecksByTransitivity, 4087.3ms TimeCoverageRelationStatistics Valid=426, Invalid=2880, Unknown=0, NotChecked=0, Total=3306 [2021-04-16 06:46:34,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2021-04-16 06:46:34,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 151. [2021-04-16 06:46:34,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 130 states have (on average 1.0538461538461539) internal successors, (137), 132 states have internal predecessors, (137), 14 states have call successors, (14), 7 states have call predecessors, (14), 6 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2021-04-16 06:46:34,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 164 transitions. [2021-04-16 06:46:34,257 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 164 transitions. Word has length 81 [2021-04-16 06:46:34,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:46:34,257 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 164 transitions. [2021-04-16 06:46:34,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 26 states, 25 states have (on average 2.24) internal successors, (56), 24 states have internal predecessors, (56), 5 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-04-16 06:46:34,257 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 164 transitions. [2021-04-16 06:46:34,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-04-16 06:46:34,258 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:46:34,258 INFO L519 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:46:34,258 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-04-16 06:46:34,258 INFO L428 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:46:34,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:46:34,258 INFO L82 PathProgramCache]: Analyzing trace with hash 234389082, now seen corresponding path program 13 times [2021-04-16 06:46:34,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:46:34,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [434383243] [2021-04-16 06:46:34,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:46:34,263 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:46:34,264 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:46:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:34,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:34,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:34,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:34,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 06:46:34,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:34,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:46:34,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:34,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:46:34,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:34,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:46:34,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:34,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:46:34,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:34,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:46:34,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:34,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-16 06:46:34,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:34,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 06:46:34,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:34,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-16 06:46:34,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:34,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:46:34,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:34,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:46:34,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:34,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:46:34,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:34,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:46:34,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:34,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-16 06:46:34,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:34,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:34,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:46:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:34,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:34,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:34,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-04-16 06:46:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:34,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:34,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:34,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-04-16 06:46:34,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:34,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:34,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:34,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-04-16 06:46:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:34,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:34,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:34,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:46:34,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [434383243] [2021-04-16 06:46:34,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:46:34,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-04-16 06:46:34,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158172537] [2021-04-16 06:46:34,508 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-04-16 06:46:34,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:46:34,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-04-16 06:46:34,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2021-04-16 06:46:34,508 INFO L87 Difference]: Start difference. First operand 151 states and 164 transitions. Second operand has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 16 states have internal predecessors, (53), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-04-16 06:46:35,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:46:35,585 INFO L93 Difference]: Finished difference Result 297 states and 331 transitions. [2021-04-16 06:46:35,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-04-16 06:46:35,585 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 16 states have internal predecessors, (53), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 84 [2021-04-16 06:46:35,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:46:35,587 INFO L225 Difference]: With dead ends: 297 [2021-04-16 06:46:35,587 INFO L226 Difference]: Without dead ends: 217 [2021-04-16 06:46:35,587 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 370.9ms TimeCoverageRelationStatistics Valid=116, Invalid=640, Unknown=0, NotChecked=0, Total=756 [2021-04-16 06:46:35,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2021-04-16 06:46:35,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 162. [2021-04-16 06:46:35,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 141 states have (on average 1.0567375886524824) internal successors, (149), 143 states have internal predecessors, (149), 14 states have call successors, (14), 7 states have call predecessors, (14), 6 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2021-04-16 06:46:35,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 176 transitions. [2021-04-16 06:46:35,622 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 176 transitions. Word has length 84 [2021-04-16 06:46:35,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:46:35,622 INFO L480 AbstractCegarLoop]: Abstraction has 162 states and 176 transitions. [2021-04-16 06:46:35,622 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 16 states have internal predecessors, (53), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-04-16 06:46:35,622 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 176 transitions. [2021-04-16 06:46:35,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-04-16 06:46:35,622 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:46:35,623 INFO L519 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:46:35,623 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-04-16 06:46:35,623 INFO L428 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:46:35,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:46:35,623 INFO L82 PathProgramCache]: Analyzing trace with hash 283880411, now seen corresponding path program 14 times [2021-04-16 06:46:35,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:46:35,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1733210615] [2021-04-16 06:46:35,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:46:35,627 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:46:35,628 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:46:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:35,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:35,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:35,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:35,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-16 06:46:35,929 INFO L142 QuantifierPusher]: treesize reduction 31, result has 47.5 percent of original size [2021-04-16 06:46:35,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:46:35,940 INFO L142 QuantifierPusher]: treesize reduction 31, result has 47.5 percent of original size [2021-04-16 06:46:35,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:46:35,952 INFO L142 QuantifierPusher]: treesize reduction 31, result has 47.5 percent of original size [2021-04-16 06:46:35,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:46:35,967 INFO L142 QuantifierPusher]: treesize reduction 66, result has 29.8 percent of original size [2021-04-16 06:46:35,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:46:35,983 INFO L142 QuantifierPusher]: treesize reduction 111, result has 60.4 percent of original size [2021-04-16 06:46:35,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 169 [2021-04-16 06:46:36,040 INFO L142 QuantifierPusher]: treesize reduction 30, result has 88.7 percent of original size [2021-04-16 06:46:36,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 235 [2021-04-16 06:46:36,148 INFO L142 QuantifierPusher]: treesize reduction 44, result has 71.1 percent of original size [2021-04-16 06:46:36,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-04-16 06:46:36,197 INFO L142 QuantifierPusher]: treesize reduction 33, result has 78.1 percent of original size [2021-04-16 06:46:36,198 INFO L147 QuantifierPusher]: treesize reduction 9, result has 92.4 percent of original size 109 [2021-04-16 06:46:36,250 INFO L142 QuantifierPusher]: treesize reduction 49, result has 65.5 percent of original size [2021-04-16 06:46:36,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-04-16 06:46:36,265 INFO L142 QuantifierPusher]: treesize reduction 52, result has 68.3 percent of original size [2021-04-16 06:46:36,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-04-16 06:46:36,331 INFO L142 QuantifierPusher]: treesize reduction 52, result has 68.3 percent of original size [2021-04-16 06:46:36,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-04-16 06:46:36,333 INFO L142 QuantifierPusher]: treesize reduction 52, result has 68.3 percent of original size [2021-04-16 06:46:36,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-04-16 06:46:36,383 INFO L142 QuantifierPusher]: treesize reduction 52, result has 68.3 percent of original size [2021-04-16 06:46:36,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-04-16 06:46:36,386 INFO L142 QuantifierPusher]: treesize reduction 52, result has 68.3 percent of original size [2021-04-16 06:46:36,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-04-16 06:46:36,436 INFO L142 QuantifierPusher]: treesize reduction 52, result has 68.3 percent of original size [2021-04-16 06:46:36,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-04-16 06:46:36,461 INFO L142 QuantifierPusher]: treesize reduction 195, result has 77.2 percent of original size [2021-04-16 06:46:36,464 INFO L147 QuantifierPusher]: treesize reduction 180, result has 72.8 percent of original size 482 [2021-04-16 06:46:36,684 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 63 [2021-04-16 06:46:36,688 INFO L142 QuantifierPusher]: treesize reduction 180, result has 50.1 percent of original size [2021-04-16 06:46:36,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-04-16 06:46:36,704 INFO L142 QuantifierPusher]: treesize reduction 79, result has 49.7 percent of original size [2021-04-16 06:46:36,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-04-16 06:46:36,755 INFO L142 QuantifierPusher]: treesize reduction 79, result has 50.6 percent of original size [2021-04-16 06:46:36,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-04-16 06:46:36,760 INFO L142 QuantifierPusher]: treesize reduction 79, result has 50.6 percent of original size [2021-04-16 06:46:36,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-04-16 06:46:36,764 INFO L142 QuantifierPusher]: treesize reduction 55, result has 78.1 percent of original size [2021-04-16 06:46:36,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-04-16 06:46:36,782 INFO L142 QuantifierPusher]: treesize reduction 55, result has 78.1 percent of original size [2021-04-16 06:46:36,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-04-16 06:46:36,798 INFO L142 QuantifierPusher]: treesize reduction 55, result has 78.1 percent of original size [2021-04-16 06:46:36,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-04-16 06:46:36,808 INFO L142 QuantifierPusher]: treesize reduction 55, result has 78.1 percent of original size [2021-04-16 06:46:36,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-04-16 06:46:36,822 INFO L142 QuantifierPusher]: treesize reduction 88, result has 69.8 percent of original size [2021-04-16 06:46:36,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 203 [2021-04-16 06:46:36,835 INFO L142 QuantifierPusher]: treesize reduction 81, result has 72.0 percent of original size [2021-04-16 06:46:36,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 208 [2021-04-16 06:46:36,849 INFO L142 QuantifierPusher]: treesize reduction 57, result has 90.2 percent of original size [2021-04-16 06:46:36,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 522 [2021-04-16 06:46:36,979 INFO L142 QuantifierPusher]: treesize reduction 65, result has 79.6 percent of original size [2021-04-16 06:46:36,981 INFO L147 QuantifierPusher]: treesize reduction 9, result has 96.5 percent of original size 245 [2021-04-16 06:46:37,090 INFO L142 QuantifierPusher]: treesize reduction 53, result has 68.3 percent of original size [2021-04-16 06:46:37,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-04-16 06:46:37,150 INFO L142 QuantifierPusher]: treesize reduction 53, result has 68.8 percent of original size [2021-04-16 06:46:37,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 117 [2021-04-16 06:46:37,214 INFO L142 QuantifierPusher]: treesize reduction 53, result has 72.4 percent of original size [2021-04-16 06:46:37,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 139 [2021-04-16 06:46:37,287 INFO L142 QuantifierPusher]: treesize reduction 53, result has 72.4 percent of original size [2021-04-16 06:46:37,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 139 [2021-04-16 06:46:37,374 INFO L142 QuantifierPusher]: treesize reduction 53, result has 72.4 percent of original size [2021-04-16 06:46:37,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 139 [2021-04-16 06:46:37,460 INFO L142 QuantifierPusher]: treesize reduction 62, result has 87.9 percent of original size [2021-04-16 06:46:37,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 449 [2021-04-16 06:46:37,618 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 44 [2021-04-16 06:46:37,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:37,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 06:46:37,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:37,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:46:37,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:37,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:46:37,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:37,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:37,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:46:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:37,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:37,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:37,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-04-16 06:46:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:37,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:37,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:37,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-04-16 06:46:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:37,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:37,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:37,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-04-16 06:46:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:37,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:37,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:37,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-04-16 06:46:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:37,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:37,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:37,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:46:37,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1733210615] [2021-04-16 06:46:37,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:46:37,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-04-16 06:46:37,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586699869] [2021-04-16 06:46:37,733 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-04-16 06:46:37,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:46:37,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-04-16 06:46:37,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=659, Unknown=0, NotChecked=0, Total=756 [2021-04-16 06:46:37,733 INFO L87 Difference]: Start difference. First operand 162 states and 176 transitions. Second operand has 28 states, 27 states have (on average 2.5185185185185186) internal successors, (68), 26 states have internal predecessors, (68), 6 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-04-16 06:46:40,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:46:40,898 INFO L93 Difference]: Finished difference Result 204 states and 220 transitions. [2021-04-16 06:46:40,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-04-16 06:46:40,899 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 2.5185185185185186) internal successors, (68), 26 states have internal predecessors, (68), 6 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 89 [2021-04-16 06:46:40,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:46:40,899 INFO L225 Difference]: With dead ends: 204 [2021-04-16 06:46:40,900 INFO L226 Difference]: Without dead ends: 115 [2021-04-16 06:46:40,901 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 14 SyntacticMatches, 10 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1293 ImplicationChecksByTransitivity, 3852.2ms TimeCoverageRelationStatistics Valid=488, Invalid=3934, Unknown=0, NotChecked=0, Total=4422 [2021-04-16 06:46:40,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-04-16 06:46:40,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 104. [2021-04-16 06:46:40,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 89 states have (on average 1.0449438202247192) internal successors, (93), 90 states have internal predecessors, (93), 8 states have call successors, (8), 7 states have call predecessors, (8), 6 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2021-04-16 06:46:40,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 108 transitions. [2021-04-16 06:46:40,919 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 108 transitions. Word has length 89 [2021-04-16 06:46:40,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:46:40,919 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 108 transitions. [2021-04-16 06:46:40,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 27 states have (on average 2.5185185185185186) internal successors, (68), 26 states have internal predecessors, (68), 6 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-04-16 06:46:40,919 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 108 transitions. [2021-04-16 06:46:40,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-04-16 06:46:40,920 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:46:40,920 INFO L519 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:46:40,920 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-04-16 06:46:40,920 INFO L428 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:46:40,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:46:40,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1546174009, now seen corresponding path program 15 times [2021-04-16 06:46:40,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:46:40,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [554087664] [2021-04-16 06:46:40,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:46:40,925 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:46:40,926 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:46:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:41,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:41,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:41,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:41,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-16 06:46:41,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:41,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-04-16 06:46:41,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:41,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-04-16 06:46:41,264 INFO L142 QuantifierPusher]: treesize reduction 39, result has 65.8 percent of original size [2021-04-16 06:46:41,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-04-16 06:46:41,313 INFO L142 QuantifierPusher]: treesize reduction 136, result has 43.1 percent of original size [2021-04-16 06:46:41,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-04-16 06:46:41,324 INFO L142 QuantifierPusher]: treesize reduction 68, result has 50.4 percent of original size [2021-04-16 06:46:41,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-04-16 06:46:41,350 INFO L142 QuantifierPusher]: treesize reduction 68, result has 51.4 percent of original size [2021-04-16 06:46:41,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-04-16 06:46:41,355 INFO L142 QuantifierPusher]: treesize reduction 79, result has 54.1 percent of original size [2021-04-16 06:46:41,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-04-16 06:46:41,362 INFO L142 QuantifierPusher]: treesize reduction 79, result has 54.1 percent of original size [2021-04-16 06:46:41,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-04-16 06:46:41,377 INFO L142 QuantifierPusher]: treesize reduction 620, result has 25.9 percent of original size [2021-04-16 06:46:41,378 INFO L147 QuantifierPusher]: treesize reduction 9, result has 95.9 percent of original size 208 [2021-04-16 06:46:41,462 INFO L142 QuantifierPusher]: treesize reduction 155, result has 72.6 percent of original size [2021-04-16 06:46:41,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 410 [2021-04-16 06:46:41,549 INFO L142 QuantifierPusher]: treesize reduction 33, result has 91.5 percent of original size [2021-04-16 06:46:41,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 355 [2021-04-16 06:46:41,652 INFO L142 QuantifierPusher]: treesize reduction 25, result has 85.2 percent of original size [2021-04-16 06:46:41,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-04-16 06:46:41,669 INFO L142 QuantifierPusher]: treesize reduction 27, result has 91.6 percent of original size [2021-04-16 06:46:41,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 295 [2021-04-16 06:46:41,757 INFO L142 QuantifierPusher]: treesize reduction 53, result has 67.1 percent of original size [2021-04-16 06:46:41,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-04-16 06:46:41,807 INFO L142 QuantifierPusher]: treesize reduction 28, result has 76.7 percent of original size [2021-04-16 06:46:41,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-04-16 06:46:41,862 INFO L142 QuantifierPusher]: treesize reduction 28, result has 77.2 percent of original size [2021-04-16 06:46:41,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-04-16 06:46:41,919 INFO L142 QuantifierPusher]: treesize reduction 28, result has 80.7 percent of original size [2021-04-16 06:46:41,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 117 [2021-04-16 06:46:41,976 INFO L142 QuantifierPusher]: treesize reduction 28, result has 80.7 percent of original size [2021-04-16 06:46:41,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 117 [2021-04-16 06:46:42,040 INFO L142 QuantifierPusher]: treesize reduction 28, result has 93.7 percent of original size [2021-04-16 06:46:42,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 416 [2021-04-16 06:46:42,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:42,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 06:46:42,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:42,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:46:42,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:42,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:46:42,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:42,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:42,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:46:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:42,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:42,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:42,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-04-16 06:46:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:42,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:42,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:42,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-04-16 06:46:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:42,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:42,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:42,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-04-16 06:46:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:42,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:42,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:42,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:46:42,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [554087664] [2021-04-16 06:46:42,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:46:42,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-04-16 06:46:42,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123874714] [2021-04-16 06:46:42,241 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-04-16 06:46:42,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:46:42,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-04-16 06:46:42,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420 [2021-04-16 06:46:42,242 INFO L87 Difference]: Start difference. First operand 104 states and 108 transitions. Second operand has 21 states, 20 states have (on average 2.75) internal successors, (55), 19 states have internal predecessors, (55), 5 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-04-16 06:46:43,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:46:43,124 INFO L93 Difference]: Finished difference Result 124 states and 130 transitions. [2021-04-16 06:46:43,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-04-16 06:46:43,125 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 2.75) internal successors, (55), 19 states have internal predecessors, (55), 5 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 89 [2021-04-16 06:46:43,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:46:43,125 INFO L225 Difference]: With dead ends: 124 [2021-04-16 06:46:43,126 INFO L226 Difference]: Without dead ends: 122 [2021-04-16 06:46:43,126 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 9 SyntacticMatches, 5 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 1182.2ms TimeCoverageRelationStatistics Valid=129, Invalid=683, Unknown=0, NotChecked=0, Total=812 [2021-04-16 06:46:43,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-04-16 06:46:43,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 108. [2021-04-16 06:46:43,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 92 states have (on average 1.0434782608695652) internal successors, (96), 93 states have internal predecessors, (96), 8 states have call successors, (8), 8 states have call predecessors, (8), 7 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2021-04-16 06:46:43,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 111 transitions. [2021-04-16 06:46:43,145 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 111 transitions. Word has length 89 [2021-04-16 06:46:43,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:46:43,145 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 111 transitions. [2021-04-16 06:46:43,145 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 20 states have (on average 2.75) internal successors, (55), 19 states have internal predecessors, (55), 5 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-04-16 06:46:43,145 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 111 transitions. [2021-04-16 06:46:43,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-04-16 06:46:43,145 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:46:43,146 INFO L519 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:46:43,146 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-04-16 06:46:43,146 INFO L428 AbstractCegarLoop]: === Iteration 19 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:46:43,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:46:43,146 INFO L82 PathProgramCache]: Analyzing trace with hash 55418349, now seen corresponding path program 16 times [2021-04-16 06:46:43,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:46:43,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [433350696] [2021-04-16 06:46:43,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:46:43,151 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:46:43,152 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:46:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:43,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:43,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:43,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:43,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-16 06:46:43,425 INFO L142 QuantifierPusher]: treesize reduction 11, result has 81.0 percent of original size [2021-04-16 06:46:43,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-16 06:46:43,452 INFO L142 QuantifierPusher]: treesize reduction 11, result has 81.0 percent of original size [2021-04-16 06:46:43,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-16 06:46:43,484 INFO L142 QuantifierPusher]: treesize reduction 11, result has 81.0 percent of original size [2021-04-16 06:46:43,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-16 06:46:43,514 INFO L142 QuantifierPusher]: treesize reduction 11, result has 81.0 percent of original size [2021-04-16 06:46:43,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-16 06:46:43,545 INFO L142 QuantifierPusher]: treesize reduction 13, result has 86.0 percent of original size [2021-04-16 06:46:43,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-04-16 06:46:43,624 INFO L142 QuantifierPusher]: treesize reduction 48, result has 73.9 percent of original size [2021-04-16 06:46:43,625 INFO L147 QuantifierPusher]: treesize reduction 9, result has 93.4 percent of original size 127 [2021-04-16 06:46:43,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:43,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-16 06:46:43,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:43,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-16 06:46:43,725 INFO L142 QuantifierPusher]: treesize reduction 5, result has 91.4 percent of original size [2021-04-16 06:46:43,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-16 06:46:43,731 INFO L142 QuantifierPusher]: treesize reduction 5, result has 91.4 percent of original size [2021-04-16 06:46:43,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-16 06:46:43,739 INFO L142 QuantifierPusher]: treesize reduction 5, result has 91.4 percent of original size [2021-04-16 06:46:43,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-16 06:46:43,748 INFO L142 QuantifierPusher]: treesize reduction 5, result has 91.4 percent of original size [2021-04-16 06:46:43,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-16 06:46:43,759 INFO L142 QuantifierPusher]: treesize reduction 6, result has 97.3 percent of original size [2021-04-16 06:46:43,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 214 [2021-04-16 06:46:43,838 INFO L142 QuantifierPusher]: treesize reduction 23, result has 84.8 percent of original size [2021-04-16 06:46:43,839 INFO L147 QuantifierPusher]: treesize reduction 9, result has 93.0 percent of original size 119 [2021-04-16 06:46:43,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:43,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-16 06:46:43,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:43,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-04-16 06:46:43,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:43,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-04-16 06:46:43,922 INFO L142 QuantifierPusher]: treesize reduction 56, result has 68.4 percent of original size [2021-04-16 06:46:43,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-04-16 06:46:43,930 INFO L142 QuantifierPusher]: treesize reduction 56, result has 68.4 percent of original size [2021-04-16 06:46:43,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-04-16 06:46:43,937 INFO L142 QuantifierPusher]: treesize reduction 56, result has 68.4 percent of original size [2021-04-16 06:46:43,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-04-16 06:46:43,947 INFO L142 QuantifierPusher]: treesize reduction 56, result has 68.4 percent of original size [2021-04-16 06:46:43,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-04-16 06:46:43,957 INFO L142 QuantifierPusher]: treesize reduction 56, result has 68.4 percent of original size [2021-04-16 06:46:43,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-04-16 06:46:43,968 INFO L142 QuantifierPusher]: treesize reduction 56, result has 68.4 percent of original size [2021-04-16 06:46:43,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-04-16 06:46:43,980 INFO L142 QuantifierPusher]: treesize reduction 56, result has 68.4 percent of original size [2021-04-16 06:46:43,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-04-16 06:46:43,993 INFO L142 QuantifierPusher]: treesize reduction 56, result has 68.4 percent of original size [2021-04-16 06:46:43,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-04-16 06:46:44,007 INFO L142 QuantifierPusher]: treesize reduction 16, result has 96.2 percent of original size [2021-04-16 06:46:44,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 400 [2021-04-16 06:46:44,044 INFO L142 QuantifierPusher]: treesize reduction 32, result has 90.1 percent of original size [2021-04-16 06:46:44,046 INFO L147 QuantifierPusher]: treesize reduction 9, result has 96.9 percent of original size 281 [2021-04-16 06:46:44,150 INFO L142 QuantifierPusher]: treesize reduction 10, result has 89.7 percent of original size [2021-04-16 06:46:44,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-16 06:46:44,202 INFO L142 QuantifierPusher]: treesize reduction 10, result has 90.0 percent of original size [2021-04-16 06:46:44,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-04-16 06:46:44,256 INFO L142 QuantifierPusher]: treesize reduction 10, result has 90.9 percent of original size [2021-04-16 06:46:44,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-04-16 06:46:44,316 INFO L142 QuantifierPusher]: treesize reduction 10, result has 90.9 percent of original size [2021-04-16 06:46:44,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-04-16 06:46:44,378 INFO L142 QuantifierPusher]: treesize reduction 10, result has 90.9 percent of original size [2021-04-16 06:46:44,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-04-16 06:46:44,442 INFO L142 QuantifierPusher]: treesize reduction 10, result has 90.9 percent of original size [2021-04-16 06:46:44,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-04-16 06:46:44,516 INFO L142 QuantifierPusher]: treesize reduction 10, result has 91.4 percent of original size [2021-04-16 06:46:44,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-04-16 06:46:44,585 INFO L142 QuantifierPusher]: treesize reduction 10, result has 90.9 percent of original size [2021-04-16 06:46:44,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-04-16 06:46:44,589 INFO L142 QuantifierPusher]: treesize reduction 19, result has 95.9 percent of original size [2021-04-16 06:46:44,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 448 [2021-04-16 06:46:44,773 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 51 [2021-04-16 06:46:44,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:44,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 06:46:44,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:44,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:46:44,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:44,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:46:44,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:44,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:44,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:46:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:44,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:44,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:44,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-04-16 06:46:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:44,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:44,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:44,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-04-16 06:46:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:44,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:44,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:44,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-04-16 06:46:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:44,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:44,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:44,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-04-16 06:46:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:44,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:44,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:44,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-04-16 06:46:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:44,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:44,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 06:46:44,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:44,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:46:44,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:46:44,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [433350696] [2021-04-16 06:46:44,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:46:44,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-04-16 06:46:44,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765526398] [2021-04-16 06:46:44,893 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-04-16 06:46:44,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:46:44,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-04-16 06:46:44,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=577, Unknown=0, NotChecked=0, Total=650 [2021-04-16 06:46:44,893 INFO L87 Difference]: Start difference. First operand 108 states and 111 transitions. Second operand has 26 states, 24 states have (on average 3.4166666666666665) internal successors, (82), 25 states have internal predecessors, (82), 7 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-04-16 06:46:46,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:46:46,746 INFO L93 Difference]: Finished difference Result 123 states and 127 transitions. [2021-04-16 06:46:46,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-04-16 06:46:46,746 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 3.4166666666666665) internal successors, (82), 25 states have internal predecessors, (82), 7 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 105 [2021-04-16 06:46:46,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:46:46,747 INFO L225 Difference]: With dead ends: 123 [2021-04-16 06:46:46,747 INFO L226 Difference]: Without dead ends: 121 [2021-04-16 06:46:46,748 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 16 SyntacticMatches, 16 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 454 ImplicationChecksByTransitivity, 2319.1ms TimeCoverageRelationStatistics Valid=212, Invalid=1858, Unknown=0, NotChecked=0, Total=2070 [2021-04-16 06:46:46,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-04-16 06:46:46,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 114. [2021-04-16 06:46:46,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 97 states have (on average 1.041237113402062) internal successors, (101), 97 states have internal predecessors, (101), 9 states have call successors, (9), 9 states have call predecessors, (9), 7 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2021-04-16 06:46:46,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 118 transitions. [2021-04-16 06:46:46,768 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 118 transitions. Word has length 105 [2021-04-16 06:46:46,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:46:46,769 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 118 transitions. [2021-04-16 06:46:46,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 26 states, 24 states have (on average 3.4166666666666665) internal successors, (82), 25 states have internal predecessors, (82), 7 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-04-16 06:46:46,769 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 118 transitions. [2021-04-16 06:46:46,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-04-16 06:46:46,769 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:46:46,770 INFO L519 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:46:46,770 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-04-16 06:46:46,770 INFO L428 AbstractCegarLoop]: === Iteration 20 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:46:46,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:46:46,770 INFO L82 PathProgramCache]: Analyzing trace with hash -410921273, now seen corresponding path program 17 times [2021-04-16 06:46:46,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:46:46,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1211034122] [2021-04-16 06:46:46,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:46:46,775 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:46:46,776 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:46:46,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:46,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:46,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:46,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:46,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 06:46:46,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:46,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:46:46,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:46,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:46:46,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:46,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:46:46,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:46,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:46:46,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:46,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:46:46,871 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-16 06:46:46,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-16 06:46:46,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:46,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 06:46:46,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:46,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-16 06:46:46,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:46,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:46:46,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:46,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:46:46,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:46,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:46:46,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:46,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:46:46,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:46,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:46:46,998 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-04-16 06:46:46,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-16 06:46:47,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:47,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:47,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:46:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:47,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:47,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:47,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-04-16 06:46:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:47,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:47,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:47,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-04-16 06:46:47,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:47,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:47,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:47,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-04-16 06:46:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:47,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:47,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:47,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-04-16 06:46:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:47,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:47,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:47,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-04-16 06:46:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:47,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:47,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:47,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-04-16 06:46:47,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:47,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:47,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:47,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:46:47,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1211034122] [2021-04-16 06:46:47,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:46:47,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-04-16 06:46:47,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576760405] [2021-04-16 06:46:47,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-04-16 06:46:47,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:46:47,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-04-16 06:46:47,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2021-04-16 06:46:47,073 INFO L87 Difference]: Start difference. First operand 114 states and 118 transitions. Second operand has 18 states, 18 states have (on average 3.1666666666666665) internal successors, (57), 17 states have internal predecessors, (57), 8 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-04-16 06:46:47,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:46:47,886 INFO L93 Difference]: Finished difference Result 265 states and 284 transitions. [2021-04-16 06:46:47,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-04-16 06:46:47,887 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.1666666666666665) internal successors, (57), 17 states have internal predecessors, (57), 8 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Word has length 113 [2021-04-16 06:46:47,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:46:47,888 INFO L225 Difference]: With dead ends: 265 [2021-04-16 06:46:47,888 INFO L226 Difference]: Without dead ends: 133 [2021-04-16 06:46:47,889 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 283.4ms TimeCoverageRelationStatistics Valid=82, Invalid=470, Unknown=0, NotChecked=0, Total=552 [2021-04-16 06:46:47,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-04-16 06:46:47,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 122. [2021-04-16 06:46:47,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 105 states have (on average 1.0380952380952382) internal successors, (109), 105 states have internal predecessors, (109), 9 states have call successors, (9), 9 states have call predecessors, (9), 7 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2021-04-16 06:46:47,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 126 transitions. [2021-04-16 06:46:47,915 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 126 transitions. Word has length 113 [2021-04-16 06:46:47,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:46:47,915 INFO L480 AbstractCegarLoop]: Abstraction has 122 states and 126 transitions. [2021-04-16 06:46:47,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 3.1666666666666665) internal successors, (57), 17 states have internal predecessors, (57), 8 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-04-16 06:46:47,915 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 126 transitions. [2021-04-16 06:46:47,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-04-16 06:46:47,916 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:46:47,916 INFO L519 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:46:47,916 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-04-16 06:46:47,916 INFO L428 AbstractCegarLoop]: === Iteration 21 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:46:47,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:46:47,916 INFO L82 PathProgramCache]: Analyzing trace with hash 188454859, now seen corresponding path program 18 times [2021-04-16 06:46:47,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:46:47,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1325699545] [2021-04-16 06:46:47,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:46:47,921 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:46:47,922 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:46:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:48,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:48,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:48,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:48,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-16 06:46:48,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:48,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:46:48,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:48,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:46:48,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:48,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:46:48,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:48,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:46:48,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:48,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:46:48,417 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.0 percent of original size [2021-04-16 06:46:48,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-04-16 06:46:48,479 INFO L142 QuantifierPusher]: treesize reduction 87, result has 36.0 percent of original size [2021-04-16 06:46:48,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-16 06:46:48,491 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.2 percent of original size [2021-04-16 06:46:48,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-16 06:46:48,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:48,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-16 06:46:48,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:48,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-04-16 06:46:48,627 INFO L142 QuantifierPusher]: treesize reduction 7, result has 93.6 percent of original size [2021-04-16 06:46:48,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-04-16 06:46:48,644 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.7 percent of original size [2021-04-16 06:46:48,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-04-16 06:46:48,694 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.7 percent of original size [2021-04-16 06:46:48,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-04-16 06:46:48,747 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.7 percent of original size [2021-04-16 06:46:48,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-04-16 06:46:48,800 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.7 percent of original size [2021-04-16 06:46:48,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-04-16 06:46:48,857 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.7 percent of original size [2021-04-16 06:46:48,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-04-16 06:46:48,916 INFO L142 QuantifierPusher]: treesize reduction 4, result has 97.9 percent of original size [2021-04-16 06:46:48,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-04-16 06:46:48,996 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.6 percent of original size [2021-04-16 06:46:48,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-04-16 06:46:49,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:49,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-16 06:46:49,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:49,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-16 06:46:49,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:49,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-16 06:46:49,088 INFO L142 QuantifierPusher]: treesize reduction 48, result has 74.6 percent of original size [2021-04-16 06:46:49,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-04-16 06:46:49,095 INFO L142 QuantifierPusher]: treesize reduction 48, result has 74.6 percent of original size [2021-04-16 06:46:49,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-04-16 06:46:49,102 INFO L142 QuantifierPusher]: treesize reduction 48, result has 74.6 percent of original size [2021-04-16 06:46:49,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-04-16 06:46:49,112 INFO L142 QuantifierPusher]: treesize reduction 48, result has 74.6 percent of original size [2021-04-16 06:46:49,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-04-16 06:46:49,122 INFO L142 QuantifierPusher]: treesize reduction 48, result has 74.6 percent of original size [2021-04-16 06:46:49,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-04-16 06:46:49,133 INFO L142 QuantifierPusher]: treesize reduction 48, result has 74.6 percent of original size [2021-04-16 06:46:49,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-04-16 06:46:49,144 INFO L142 QuantifierPusher]: treesize reduction 48, result has 74.6 percent of original size [2021-04-16 06:46:49,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-04-16 06:46:49,157 INFO L142 QuantifierPusher]: treesize reduction 48, result has 74.6 percent of original size [2021-04-16 06:46:49,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-04-16 06:46:49,170 INFO L142 QuantifierPusher]: treesize reduction 48, result has 74.6 percent of original size [2021-04-16 06:46:49,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-04-16 06:46:49,184 INFO L142 QuantifierPusher]: treesize reduction 48, result has 74.6 percent of original size [2021-04-16 06:46:49,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-04-16 06:46:49,200 INFO L142 QuantifierPusher]: treesize reduction 17, result has 96.4 percent of original size [2021-04-16 06:46:49,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 456 [2021-04-16 06:46:49,318 INFO L142 QuantifierPusher]: treesize reduction 32, result has 89.6 percent of original size [2021-04-16 06:46:49,320 INFO L147 QuantifierPusher]: treesize reduction 9, result has 96.8 percent of original size 268 [2021-04-16 06:46:49,437 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.5 percent of original size [2021-04-16 06:46:49,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-04-16 06:46:49,489 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.8 percent of original size [2021-04-16 06:46:49,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-04-16 06:46:49,561 INFO L142 QuantifierPusher]: treesize reduction 25, result has 85.5 percent of original size [2021-04-16 06:46:49,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-04-16 06:46:49,655 INFO L142 QuantifierPusher]: treesize reduction 25, result has 85.5 percent of original size [2021-04-16 06:46:49,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-04-16 06:46:49,746 INFO L142 QuantifierPusher]: treesize reduction 25, result has 85.5 percent of original size [2021-04-16 06:46:49,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-04-16 06:46:49,835 INFO L142 QuantifierPusher]: treesize reduction 25, result has 85.5 percent of original size [2021-04-16 06:46:49,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-04-16 06:46:49,923 INFO L142 QuantifierPusher]: treesize reduction 25, result has 85.5 percent of original size [2021-04-16 06:46:49,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-04-16 06:46:50,018 INFO L142 QuantifierPusher]: treesize reduction 45, result has 86.9 percent of original size [2021-04-16 06:46:50,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 299 [2021-04-16 06:46:50,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:50,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 06:46:50,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:50,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:46:50,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:50,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:46:50,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:50,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:50,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:46:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:50,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:50,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:50,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-04-16 06:46:50,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:50,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:50,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:50,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-04-16 06:46:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:50,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:50,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:50,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-04-16 06:46:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:50,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:50,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:50,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-04-16 06:46:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:50,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:50,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:50,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-04-16 06:46:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:50,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:50,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:50,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-04-16 06:46:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:50,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:50,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:50,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:46:50,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1325699545] [2021-04-16 06:46:50,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:46:50,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2021-04-16 06:46:50,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981403458] [2021-04-16 06:46:50,292 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-04-16 06:46:50,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:46:50,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-04-16 06:46:50,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1014, Unknown=0, NotChecked=0, Total=1122 [2021-04-16 06:46:50,293 INFO L87 Difference]: Start difference. First operand 122 states and 126 transitions. Second operand has 34 states, 33 states have (on average 2.727272727272727) internal successors, (90), 32 states have internal predecessors, (90), 8 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-04-16 06:46:54,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:46:54,093 INFO L93 Difference]: Finished difference Result 220 states and 237 transitions. [2021-04-16 06:46:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-04-16 06:46:54,094 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 2.727272727272727) internal successors, (90), 32 states have internal predecessors, (90), 8 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Word has length 121 [2021-04-16 06:46:54,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:46:54,095 INFO L225 Difference]: With dead ends: 220 [2021-04-16 06:46:54,095 INFO L226 Difference]: Without dead ends: 149 [2021-04-16 06:46:54,096 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 15 SyntacticMatches, 14 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1526 ImplicationChecksByTransitivity, 4181.0ms TimeCoverageRelationStatistics Valid=558, Invalid=5448, Unknown=0, NotChecked=0, Total=6006 [2021-04-16 06:46:54,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2021-04-16 06:46:54,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 138. [2021-04-16 06:46:54,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 119 states have (on average 1.0336134453781514) internal successors, (123), 119 states have internal predecessors, (123), 10 states have call successors, (10), 10 states have call predecessors, (10), 8 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2021-04-16 06:46:54,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 142 transitions. [2021-04-16 06:46:54,123 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 142 transitions. Word has length 121 [2021-04-16 06:46:54,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:46:54,123 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 142 transitions. [2021-04-16 06:46:54,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 34 states, 33 states have (on average 2.727272727272727) internal successors, (90), 32 states have internal predecessors, (90), 8 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-04-16 06:46:54,123 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 142 transitions. [2021-04-16 06:46:54,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-04-16 06:46:54,124 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:46:54,124 INFO L519 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:46:54,124 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-04-16 06:46:54,124 INFO L428 AbstractCegarLoop]: === Iteration 22 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:46:54,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:46:54,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1010747997, now seen corresponding path program 19 times [2021-04-16 06:46:54,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:46:54,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1633958833] [2021-04-16 06:46:54,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:46:54,129 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:46:54,130 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:46:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:54,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:54,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:54,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:54,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-16 06:46:54,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:54,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-16 06:46:54,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:54,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-16 06:46:54,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:54,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-16 06:46:54,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:54,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-16 06:46:54,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:54,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-16 06:46:54,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:54,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-16 06:46:54,772 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.5 percent of original size [2021-04-16 06:46:54,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-04-16 06:46:54,825 INFO L142 QuantifierPusher]: treesize reduction 68, result has 59.5 percent of original size [2021-04-16 06:46:54,825 INFO L147 QuantifierPusher]: treesize reduction 10, result has 90.0 percent of original size 90 [2021-04-16 06:46:54,878 INFO L142 QuantifierPusher]: treesize reduction 121, result has 41.3 percent of original size [2021-04-16 06:46:54,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-04-16 06:46:54,944 INFO L142 QuantifierPusher]: treesize reduction 170, result has 32.0 percent of original size [2021-04-16 06:46:54,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-04-16 06:46:54,987 INFO L142 QuantifierPusher]: treesize reduction 170, result has 32.8 percent of original size [2021-04-16 06:46:54,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-04-16 06:46:55,029 INFO L142 QuantifierPusher]: treesize reduction 151, result has 53.8 percent of original size [2021-04-16 06:46:55,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-04-16 06:46:55,104 INFO L142 QuantifierPusher]: treesize reduction 69, result has 68.2 percent of original size [2021-04-16 06:46:55,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-04-16 06:46:55,210 INFO L142 QuantifierPusher]: treesize reduction 76, result has 61.4 percent of original size [2021-04-16 06:46:55,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-04-16 06:46:55,222 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.0 percent of original size [2021-04-16 06:46:55,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-04-16 06:46:55,242 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.0 percent of original size [2021-04-16 06:46:55,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-04-16 06:46:55,255 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.0 percent of original size [2021-04-16 06:46:55,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-04-16 06:46:55,277 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.0 percent of original size [2021-04-16 06:46:55,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-04-16 06:46:55,294 INFO L142 QuantifierPusher]: treesize reduction 5, result has 97.4 percent of original size [2021-04-16 06:46:55,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-04-16 06:46:55,374 INFO L142 QuantifierPusher]: treesize reduction 16, result has 87.4 percent of original size [2021-04-16 06:46:55,375 INFO L147 QuantifierPusher]: treesize reduction 9, result has 91.9 percent of original size 102 [2021-04-16 06:46:55,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:55,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-16 06:46:55,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:55,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-16 06:46:55,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:55,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-16 06:46:55,471 INFO L142 QuantifierPusher]: treesize reduction 25, result has 78.8 percent of original size [2021-04-16 06:46:55,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-04-16 06:46:55,478 INFO L142 QuantifierPusher]: treesize reduction 25, result has 78.8 percent of original size [2021-04-16 06:46:55,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-04-16 06:46:55,484 INFO L142 QuantifierPusher]: treesize reduction 25, result has 78.8 percent of original size [2021-04-16 06:46:55,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-04-16 06:46:55,497 INFO L142 QuantifierPusher]: treesize reduction 25, result has 78.8 percent of original size [2021-04-16 06:46:55,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-04-16 06:46:55,505 INFO L142 QuantifierPusher]: treesize reduction 25, result has 78.8 percent of original size [2021-04-16 06:46:55,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-04-16 06:46:55,516 INFO L142 QuantifierPusher]: treesize reduction 25, result has 78.8 percent of original size [2021-04-16 06:46:55,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-04-16 06:46:55,527 INFO L142 QuantifierPusher]: treesize reduction 25, result has 78.8 percent of original size [2021-04-16 06:46:55,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-04-16 06:46:55,540 INFO L142 QuantifierPusher]: treesize reduction 25, result has 78.8 percent of original size [2021-04-16 06:46:55,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-04-16 06:46:55,554 INFO L142 QuantifierPusher]: treesize reduction 25, result has 78.8 percent of original size [2021-04-16 06:46:55,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-04-16 06:46:55,568 INFO L142 QuantifierPusher]: treesize reduction 25, result has 78.8 percent of original size [2021-04-16 06:46:55,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-04-16 06:46:55,581 INFO L142 QuantifierPusher]: treesize reduction 25, result has 78.8 percent of original size [2021-04-16 06:46:55,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-04-16 06:46:55,596 INFO L142 QuantifierPusher]: treesize reduction 25, result has 78.8 percent of original size [2021-04-16 06:46:55,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-04-16 06:46:55,612 INFO L142 QuantifierPusher]: treesize reduction 17, result has 96.4 percent of original size [2021-04-16 06:46:55,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 457 [2021-04-16 06:46:55,657 INFO L142 QuantifierPusher]: treesize reduction 18, result has 93.8 percent of original size [2021-04-16 06:46:55,658 INFO L147 QuantifierPusher]: treesize reduction 7, result has 97.4 percent of original size 264 [2021-04-16 06:46:55,747 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.3 percent of original size [2021-04-16 06:46:55,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-04-16 06:46:55,793 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.6 percent of original size [2021-04-16 06:46:55,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-04-16 06:46:55,842 INFO L142 QuantifierPusher]: treesize reduction 5, result has 94.4 percent of original size [2021-04-16 06:46:55,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-04-16 06:46:55,899 INFO L142 QuantifierPusher]: treesize reduction 5, result has 94.4 percent of original size [2021-04-16 06:46:55,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-04-16 06:46:55,957 INFO L142 QuantifierPusher]: treesize reduction 5, result has 94.4 percent of original size [2021-04-16 06:46:55,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-04-16 06:46:56,018 INFO L142 QuantifierPusher]: treesize reduction 5, result has 94.4 percent of original size [2021-04-16 06:46:56,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-04-16 06:46:56,079 INFO L142 QuantifierPusher]: treesize reduction 5, result has 94.4 percent of original size [2021-04-16 06:46:56,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-04-16 06:46:56,148 INFO L142 QuantifierPusher]: treesize reduction 5, result has 94.4 percent of original size [2021-04-16 06:46:56,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-04-16 06:46:56,217 INFO L142 QuantifierPusher]: treesize reduction 23, result has 94.9 percent of original size [2021-04-16 06:46:56,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 424 [2021-04-16 06:46:56,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:56,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 06:46:56,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:56,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:46:56,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:56,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:46:56,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:56,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:56,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:46:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:56,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:56,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:56,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-04-16 06:46:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:56,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:56,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:56,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-04-16 06:46:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:56,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:56,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:56,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-04-16 06:46:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:56,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:56,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:56,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-04-16 06:46:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:56,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:56,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:56,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-04-16 06:46:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:56,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:56,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:56,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-04-16 06:46:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:56,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:56,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:56,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-04-16 06:46:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:46:56,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:46:56,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:46:56,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:46:56,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1633958833] [2021-04-16 06:46:56,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:46:56,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2021-04-16 06:46:56,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648446832] [2021-04-16 06:46:56,510 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-04-16 06:46:56,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:46:56,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-04-16 06:46:56,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=953, Unknown=0, NotChecked=0, Total=1056 [2021-04-16 06:46:56,511 INFO L87 Difference]: Start difference. First operand 138 states and 142 transitions. Second operand has 33 states, 32 states have (on average 3.15625) internal successors, (101), 31 states have internal predecessors, (101), 9 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-04-16 06:47:00,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:47:00,295 INFO L93 Difference]: Finished difference Result 262 states and 284 transitions. [2021-04-16 06:47:00,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-04-16 06:47:00,297 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 3.15625) internal successors, (101), 31 states have internal predecessors, (101), 9 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 137 [2021-04-16 06:47:00,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:47:00,298 INFO L225 Difference]: With dead ends: 262 [2021-04-16 06:47:00,299 INFO L226 Difference]: Without dead ends: 260 [2021-04-16 06:47:00,300 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 19 SyntacticMatches, 18 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1640 ImplicationChecksByTransitivity, 3801.4ms TimeCoverageRelationStatistics Valid=550, Invalid=5612, Unknown=0, NotChecked=0, Total=6162 [2021-04-16 06:47:00,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2021-04-16 06:47:00,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 146. [2021-04-16 06:47:00,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 125 states have (on average 1.032) internal successors, (129), 125 states have internal predecessors, (129), 11 states have call successors, (11), 11 states have call predecessors, (11), 9 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2021-04-16 06:47:00,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 150 transitions. [2021-04-16 06:47:00,341 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 150 transitions. Word has length 137 [2021-04-16 06:47:00,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:47:00,341 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 150 transitions. [2021-04-16 06:47:00,342 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 33 states, 32 states have (on average 3.15625) internal successors, (101), 31 states have internal predecessors, (101), 9 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-04-16 06:47:00,342 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 150 transitions. [2021-04-16 06:47:00,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-04-16 06:47:00,342 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:47:00,342 INFO L519 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:47:00,342 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-04-16 06:47:00,342 INFO L428 AbstractCegarLoop]: === Iteration 23 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:47:00,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:47:00,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1081578295, now seen corresponding path program 20 times [2021-04-16 06:47:00,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:47:00,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [287071942] [2021-04-16 06:47:00,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:47:00,347 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:47:00,349 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:47:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:00,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:00,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:00,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:00,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-16 06:47:00,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:00,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-16 06:47:00,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:00,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-16 06:47:00,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:00,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-16 06:47:00,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:00,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-16 06:47:00,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:00,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-16 06:47:00,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:00,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-16 06:47:00,518 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-04-16 06:47:00,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-16 06:47:00,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:00,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-16 06:47:00,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:00,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-16 06:47:00,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:00,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 06:47:00,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:00,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-16 06:47:00,598 INFO L142 QuantifierPusher]: treesize reduction 6, result has 79.3 percent of original size [2021-04-16 06:47:00,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-16 06:47:00,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:00,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-16 06:47:00,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:00,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:47:00,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:00,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:47:00,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:00,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:47:00,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:00,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:47:00,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:00,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:47:00,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:00,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:47:00,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:00,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:47:00,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:00,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-16 06:47:00,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:00,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:00,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:47:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:00,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:00,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:00,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-04-16 06:47:00,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:00,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:00,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:00,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-04-16 06:47:00,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:00,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:00,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:00,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-04-16 06:47:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:00,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:00,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:00,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-04-16 06:47:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:00,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:00,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:00,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-04-16 06:47:00,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:00,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:00,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:00,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-04-16 06:47:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:00,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:00,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:00,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-04-16 06:47:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:00,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:00,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:00,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-04-16 06:47:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:00,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:00,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:00,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:47:00,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [287071942] [2021-04-16 06:47:00,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:47:00,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-04-16 06:47:00,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342984146] [2021-04-16 06:47:00,849 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-04-16 06:47:00,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:47:00,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-04-16 06:47:00,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=419, Unknown=0, NotChecked=0, Total=462 [2021-04-16 06:47:00,849 INFO L87 Difference]: Start difference. First operand 146 states and 150 transitions. Second operand has 22 states, 22 states have (on average 3.272727272727273) internal successors, (72), 21 states have internal predecessors, (72), 10 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2021-04-16 06:47:02,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:47:02,608 INFO L93 Difference]: Finished difference Result 335 states and 356 transitions. [2021-04-16 06:47:02,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-04-16 06:47:02,608 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.272727272727273) internal successors, (72), 21 states have internal predecessors, (72), 10 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 145 [2021-04-16 06:47:02,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:47:02,609 INFO L225 Difference]: With dead ends: 335 [2021-04-16 06:47:02,609 INFO L226 Difference]: Without dead ends: 165 [2021-04-16 06:47:02,610 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 19 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 611.9ms TimeCoverageRelationStatistics Valid=111, Invalid=759, Unknown=0, NotChecked=0, Total=870 [2021-04-16 06:47:02,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-04-16 06:47:02,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 154. [2021-04-16 06:47:02,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 133 states have (on average 1.0300751879699248) internal successors, (137), 133 states have internal predecessors, (137), 11 states have call successors, (11), 11 states have call predecessors, (11), 9 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2021-04-16 06:47:02,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 158 transitions. [2021-04-16 06:47:02,648 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 158 transitions. Word has length 145 [2021-04-16 06:47:02,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:47:02,648 INFO L480 AbstractCegarLoop]: Abstraction has 154 states and 158 transitions. [2021-04-16 06:47:02,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 3.272727272727273) internal successors, (72), 21 states have internal predecessors, (72), 10 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2021-04-16 06:47:02,649 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 158 transitions. [2021-04-16 06:47:02,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-04-16 06:47:02,649 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:47:02,649 INFO L519 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:47:02,649 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-04-16 06:47:02,649 INFO L428 AbstractCegarLoop]: === Iteration 24 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:47:02,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:47:02,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1256489541, now seen corresponding path program 21 times [2021-04-16 06:47:02,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:47:02,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2044589656] [2021-04-16 06:47:02,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:47:02,655 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:47:02,655 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:47:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:03,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:03,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:03,518 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-16 06:47:03,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-16 06:47:03,565 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-04-16 06:47:03,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-16 06:47:03,584 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-04-16 06:47:03,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-16 06:47:03,605 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-04-16 06:47:03,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-16 06:47:03,628 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-04-16 06:47:03,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-16 06:47:03,653 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-04-16 06:47:03,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-16 06:47:03,680 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-04-16 06:47:03,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-16 06:47:03,708 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-04-16 06:47:03,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-16 06:47:03,738 INFO L142 QuantifierPusher]: treesize reduction 21, result has 73.8 percent of original size [2021-04-16 06:47:03,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-04-16 06:47:03,815 INFO L142 QuantifierPusher]: treesize reduction 73, result has 50.0 percent of original size [2021-04-16 06:47:03,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-04-16 06:47:03,836 INFO L142 QuantifierPusher]: treesize reduction 5, result has 94.2 percent of original size [2021-04-16 06:47:03,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-04-16 06:47:03,912 INFO L142 QuantifierPusher]: treesize reduction 31, result has 67.4 percent of original size [2021-04-16 06:47:03,913 INFO L147 QuantifierPusher]: treesize reduction 9, result has 85.9 percent of original size 55 [2021-04-16 06:47:03,967 INFO L142 QuantifierPusher]: treesize reduction 31, result has 68.4 percent of original size [2021-04-16 06:47:03,968 INFO L147 QuantifierPusher]: treesize reduction 9, result has 86.6 percent of original size 58 [2021-04-16 06:47:04,022 INFO L142 QuantifierPusher]: treesize reduction 31, result has 68.4 percent of original size [2021-04-16 06:47:04,023 INFO L147 QuantifierPusher]: treesize reduction 9, result has 86.6 percent of original size 58 [2021-04-16 06:47:04,027 INFO L142 QuantifierPusher]: treesize reduction 103, result has 72.5 percent of original size [2021-04-16 06:47:04,029 INFO L147 QuantifierPusher]: treesize reduction 9, result has 96.7 percent of original size 262 [2021-04-16 06:47:04,156 INFO L142 QuantifierPusher]: treesize reduction 99, result has 72.5 percent of original size [2021-04-16 06:47:04,158 INFO L147 QuantifierPusher]: treesize reduction 9, result has 96.6 percent of original size 252 [2021-04-16 06:47:04,212 INFO L142 QuantifierPusher]: treesize reduction 76, result has 68.9 percent of original size [2021-04-16 06:47:04,213 INFO L147 QuantifierPusher]: treesize reduction 9, result has 94.6 percent of original size 159 [2021-04-16 06:47:04,317 INFO L142 QuantifierPusher]: treesize reduction 92, result has 61.7 percent of original size [2021-04-16 06:47:04,318 INFO L147 QuantifierPusher]: treesize reduction 9, result has 93.9 percent of original size 139 [2021-04-16 06:47:04,402 INFO L142 QuantifierPusher]: treesize reduction 79, result has 59.9 percent of original size [2021-04-16 06:47:04,403 INFO L147 QuantifierPusher]: treesize reduction 9, result has 92.4 percent of original size 109 [2021-04-16 06:47:04,487 INFO L142 QuantifierPusher]: treesize reduction 79, result has 59.9 percent of original size [2021-04-16 06:47:04,488 INFO L147 QuantifierPusher]: treesize reduction 9, result has 92.4 percent of original size 109 [2021-04-16 06:47:04,490 INFO L142 QuantifierPusher]: treesize reduction 79, result has 59.9 percent of original size [2021-04-16 06:47:04,491 INFO L147 QuantifierPusher]: treesize reduction 9, result has 92.4 percent of original size 109 [2021-04-16 06:47:04,586 INFO L142 QuantifierPusher]: treesize reduction 79, result has 59.9 percent of original size [2021-04-16 06:47:04,586 INFO L147 QuantifierPusher]: treesize reduction 9, result has 92.4 percent of original size 109 [2021-04-16 06:47:04,588 INFO L142 QuantifierPusher]: treesize reduction 79, result has 59.9 percent of original size [2021-04-16 06:47:04,589 INFO L147 QuantifierPusher]: treesize reduction 9, result has 92.4 percent of original size 109 [2021-04-16 06:47:04,680 INFO L142 QuantifierPusher]: treesize reduction 79, result has 59.9 percent of original size [2021-04-16 06:47:04,681 INFO L147 QuantifierPusher]: treesize reduction 9, result has 92.4 percent of original size 109 [2021-04-16 06:47:04,683 INFO L142 QuantifierPusher]: treesize reduction 68, result has 65.5 percent of original size [2021-04-16 06:47:04,684 INFO L147 QuantifierPusher]: treesize reduction 11, result has 91.5 percent of original size 118 [2021-04-16 06:47:04,782 INFO L142 QuantifierPusher]: treesize reduction 68, result has 65.5 percent of original size [2021-04-16 06:47:04,783 INFO L147 QuantifierPusher]: treesize reduction 11, result has 91.5 percent of original size 118 [2021-04-16 06:47:04,785 INFO L142 QuantifierPusher]: treesize reduction 80, result has 61.5 percent of original size [2021-04-16 06:47:04,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2021-04-16 06:47:04,877 INFO L142 QuantifierPusher]: treesize reduction 98, result has 52.0 percent of original size [2021-04-16 06:47:04,878 INFO L147 QuantifierPusher]: treesize reduction 9, result has 91.5 percent of original size 97 [2021-04-16 06:47:04,933 INFO L142 QuantifierPusher]: treesize reduction 56, result has 83.1 percent of original size [2021-04-16 06:47:04,950 INFO L147 QuantifierPusher]: treesize reduction 9, result has 96.7 percent of original size 266 [2021-04-16 06:47:05,086 INFO L142 QuantifierPusher]: treesize reduction 54, result has 80.1 percent of original size [2021-04-16 06:47:05,088 INFO L147 QuantifierPusher]: treesize reduction 9, result has 95.9 percent of original size 209 [2021-04-16 06:47:05,135 INFO L142 QuantifierPusher]: treesize reduction 59, result has 56.0 percent of original size [2021-04-16 06:47:05,135 INFO L147 QuantifierPusher]: treesize reduction 9, result has 88.0 percent of original size 66 [2021-04-16 06:47:05,156 INFO L142 QuantifierPusher]: treesize reduction 59, result has 56.9 percent of original size [2021-04-16 06:47:05,156 INFO L147 QuantifierPusher]: treesize reduction 9, result has 88.5 percent of original size 69 [2021-04-16 06:47:05,178 INFO L142 QuantifierPusher]: treesize reduction 59, result has 56.9 percent of original size [2021-04-16 06:47:05,179 INFO L147 QuantifierPusher]: treesize reduction 9, result has 88.5 percent of original size 69 [2021-04-16 06:47:05,201 INFO L142 QuantifierPusher]: treesize reduction 54, result has 77.5 percent of original size [2021-04-16 06:47:05,202 INFO L147 QuantifierPusher]: treesize reduction 9, result has 95.2 percent of original size 177 [2021-04-16 06:47:05,297 INFO L142 QuantifierPusher]: treesize reduction 54, result has 77.5 percent of original size [2021-04-16 06:47:05,298 INFO L147 QuantifierPusher]: treesize reduction 9, result has 95.2 percent of original size 177 [2021-04-16 06:47:05,300 INFO L142 QuantifierPusher]: treesize reduction 43, result has 82.1 percent of original size [2021-04-16 06:47:05,301 INFO L147 QuantifierPusher]: treesize reduction 11, result has 94.4 percent of original size 186 [2021-04-16 06:47:05,421 INFO L142 QuantifierPusher]: treesize reduction 43, result has 82.1 percent of original size [2021-04-16 06:47:05,422 INFO L147 QuantifierPusher]: treesize reduction 11, result has 94.4 percent of original size 186 [2021-04-16 06:47:05,423 INFO L142 QuantifierPusher]: treesize reduction 54, result has 77.5 percent of original size [2021-04-16 06:47:05,424 INFO L147 QuantifierPusher]: treesize reduction 9, result has 95.2 percent of original size 177 [2021-04-16 06:47:05,529 INFO L142 QuantifierPusher]: treesize reduction 54, result has 77.5 percent of original size [2021-04-16 06:47:05,530 INFO L147 QuantifierPusher]: treesize reduction 9, result has 95.2 percent of original size 177 [2021-04-16 06:47:05,532 INFO L142 QuantifierPusher]: treesize reduction 54, result has 77.5 percent of original size [2021-04-16 06:47:05,533 INFO L147 QuantifierPusher]: treesize reduction 9, result has 95.2 percent of original size 177 [2021-04-16 06:47:05,636 INFO L142 QuantifierPusher]: treesize reduction 54, result has 77.5 percent of original size [2021-04-16 06:47:05,637 INFO L147 QuantifierPusher]: treesize reduction 9, result has 95.2 percent of original size 177 [2021-04-16 06:47:05,638 INFO L142 QuantifierPusher]: treesize reduction 54, result has 77.5 percent of original size [2021-04-16 06:47:05,639 INFO L147 QuantifierPusher]: treesize reduction 9, result has 95.2 percent of original size 177 [2021-04-16 06:47:05,736 INFO L142 QuantifierPusher]: treesize reduction 54, result has 77.5 percent of original size [2021-04-16 06:47:05,737 INFO L147 QuantifierPusher]: treesize reduction 9, result has 95.2 percent of original size 177 [2021-04-16 06:47:05,738 INFO L142 QuantifierPusher]: treesize reduction 43, result has 82.1 percent of original size [2021-04-16 06:47:05,739 INFO L147 QuantifierPusher]: treesize reduction 11, result has 94.4 percent of original size 186 [2021-04-16 06:47:05,867 INFO L142 QuantifierPusher]: treesize reduction 43, result has 82.1 percent of original size [2021-04-16 06:47:05,868 INFO L147 QuantifierPusher]: treesize reduction 11, result has 94.4 percent of original size 186 [2021-04-16 06:47:05,869 INFO L142 QuantifierPusher]: treesize reduction 54, result has 77.5 percent of original size [2021-04-16 06:47:05,870 INFO L147 QuantifierPusher]: treesize reduction 9, result has 95.2 percent of original size 177 [2021-04-16 06:47:05,975 INFO L142 QuantifierPusher]: treesize reduction 54, result has 77.5 percent of original size [2021-04-16 06:47:05,976 INFO L147 QuantifierPusher]: treesize reduction 9, result has 95.2 percent of original size 177 [2021-04-16 06:47:05,979 INFO L142 QuantifierPusher]: treesize reduction 48, result has 92.5 percent of original size [2021-04-16 06:47:05,982 INFO L147 QuantifierPusher]: treesize reduction 11, result has 98.1 percent of original size 583 [2021-04-16 06:47:06,220 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 54 [2021-04-16 06:47:06,222 INFO L142 QuantifierPusher]: treesize reduction 63, result has 77.3 percent of original size [2021-04-16 06:47:06,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-04-16 06:47:06,356 INFO L142 QuantifierPusher]: treesize reduction 54, result has 60.9 percent of original size [2021-04-16 06:47:06,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-04-16 06:47:06,441 INFO L142 QuantifierPusher]: treesize reduction 54, result has 61.7 percent of original size [2021-04-16 06:47:06,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-16 06:47:06,533 INFO L142 QuantifierPusher]: treesize reduction 43, result has 71.9 percent of original size [2021-04-16 06:47:06,534 INFO L147 QuantifierPusher]: treesize reduction 11, result has 90.0 percent of original size 99 [2021-04-16 06:47:06,636 INFO L142 QuantifierPusher]: treesize reduction 43, result has 71.9 percent of original size [2021-04-16 06:47:06,637 INFO L147 QuantifierPusher]: treesize reduction 11, result has 90.0 percent of original size 99 [2021-04-16 06:47:06,755 INFO L142 QuantifierPusher]: treesize reduction 43, result has 71.9 percent of original size [2021-04-16 06:47:06,756 INFO L147 QuantifierPusher]: treesize reduction 11, result has 90.0 percent of original size 99 [2021-04-16 06:47:06,865 INFO L142 QuantifierPusher]: treesize reduction 43, result has 71.9 percent of original size [2021-04-16 06:47:06,866 INFO L147 QuantifierPusher]: treesize reduction 11, result has 90.0 percent of original size 99 [2021-04-16 06:47:06,979 INFO L142 QuantifierPusher]: treesize reduction 54, result has 64.7 percent of original size [2021-04-16 06:47:06,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-04-16 06:47:07,096 INFO L142 QuantifierPusher]: treesize reduction 54, result has 64.7 percent of original size [2021-04-16 06:47:07,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-04-16 06:47:07,202 INFO L142 QuantifierPusher]: treesize reduction 43, result has 71.9 percent of original size [2021-04-16 06:47:07,203 INFO L147 QuantifierPusher]: treesize reduction 11, result has 90.0 percent of original size 99 [2021-04-16 06:47:07,320 INFO L142 QuantifierPusher]: treesize reduction 72, result has 85.9 percent of original size [2021-04-16 06:47:07,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 438 [2021-04-16 06:47:07,544 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 51 [2021-04-16 06:47:07,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:07,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 06:47:07,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:07,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:47:07,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:07,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:47:07,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:07,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:07,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:47:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:07,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:07,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:07,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-04-16 06:47:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:07,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:07,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:07,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-04-16 06:47:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:07,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:07,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:07,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-04-16 06:47:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:07,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:07,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:07,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-04-16 06:47:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:07,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:07,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:07,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-04-16 06:47:07,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:07,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:07,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:07,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-04-16 06:47:07,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:07,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:07,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:07,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-04-16 06:47:07,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:07,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:07,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:07,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-04-16 06:47:07,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:07,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:07,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:07,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:47:07,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2044589656] [2021-04-16 06:47:07,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:47:07,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [46] imperfect sequences [] total 46 [2021-04-16 06:47:07,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401890805] [2021-04-16 06:47:07,783 INFO L460 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-04-16 06:47:07,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:47:07,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-04-16 06:47:07,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=1916, Unknown=0, NotChecked=0, Total=2070 [2021-04-16 06:47:07,784 INFO L87 Difference]: Start difference. First operand 154 states and 158 transitions. Second operand has 46 states, 45 states have (on average 2.488888888888889) internal successors, (112), 44 states have internal predecessors, (112), 10 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2021-04-16 06:47:09,250 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 56 [2021-04-16 06:47:12,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:47:12,674 INFO L93 Difference]: Finished difference Result 252 states and 267 transitions. [2021-04-16 06:47:12,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-04-16 06:47:12,675 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 2.488888888888889) internal successors, (112), 44 states have internal predecessors, (112), 10 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 153 [2021-04-16 06:47:12,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:47:12,676 INFO L225 Difference]: With dead ends: 252 [2021-04-16 06:47:12,676 INFO L226 Difference]: Without dead ends: 159 [2021-04-16 06:47:12,677 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 31 SyntacticMatches, 7 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 945 ImplicationChecksByTransitivity, 5742.1ms TimeCoverageRelationStatistics Valid=306, Invalid=3726, Unknown=0, NotChecked=0, Total=4032 [2021-04-16 06:47:12,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-04-16 06:47:12,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 157. [2021-04-16 06:47:12,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 136 states have (on average 1.0294117647058822) internal successors, (140), 136 states have internal predecessors, (140), 11 states have call successors, (11), 11 states have call predecessors, (11), 9 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2021-04-16 06:47:12,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 161 transitions. [2021-04-16 06:47:12,712 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 161 transitions. Word has length 153 [2021-04-16 06:47:12,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:47:12,712 INFO L480 AbstractCegarLoop]: Abstraction has 157 states and 161 transitions. [2021-04-16 06:47:12,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 46 states, 45 states have (on average 2.488888888888889) internal successors, (112), 44 states have internal predecessors, (112), 10 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2021-04-16 06:47:12,713 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 161 transitions. [2021-04-16 06:47:12,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-04-16 06:47:12,713 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:47:12,713 INFO L519 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:47:12,713 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-04-16 06:47:12,713 INFO L428 AbstractCegarLoop]: === Iteration 25 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:47:12,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:47:12,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1933540332, now seen corresponding path program 22 times [2021-04-16 06:47:12,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:47:12,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1901946327] [2021-04-16 06:47:12,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:47:12,719 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:47:12,720 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:47:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:12,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:12,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:12,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:12,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 06:47:12,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:12,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:47:12,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:12,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:47:12,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:12,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:47:12,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:12,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:47:12,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:12,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:47:12,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:12,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:47:12,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:12,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:47:12,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:12,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:47:12,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:12,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:47:12,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:12,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-16 06:47:12,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:12,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 06:47:12,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:12,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-16 06:47:12,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:12,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:47:12,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:12,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:47:13,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:13,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:47:13,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:13,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:47:13,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:13,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:47:13,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:13,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:47:13,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:13,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:47:13,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:13,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:47:13,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:13,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-16 06:47:13,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:13,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:13,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:47:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:13,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:13,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:13,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-04-16 06:47:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:13,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:13,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:13,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-04-16 06:47:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:13,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:13,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:13,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-04-16 06:47:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:13,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:13,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:13,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-04-16 06:47:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:13,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:13,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:13,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-04-16 06:47:13,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:13,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:13,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:13,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-04-16 06:47:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:13,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:13,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:13,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-04-16 06:47:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:13,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:13,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:13,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-04-16 06:47:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:13,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:13,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:13,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:47:13,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1901946327] [2021-04-16 06:47:13,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:47:13,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-04-16 06:47:13,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594199622] [2021-04-16 06:47:13,273 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-04-16 06:47:13,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:47:13,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-04-16 06:47:13,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2021-04-16 06:47:13,274 INFO L87 Difference]: Start difference. First operand 157 states and 161 transitions. Second operand has 25 states, 25 states have (on average 3.08) internal successors, (77), 24 states have internal predecessors, (77), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-04-16 06:47:15,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:47:15,503 INFO L93 Difference]: Finished difference Result 268 states and 278 transitions. [2021-04-16 06:47:15,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-04-16 06:47:15,504 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 3.08) internal successors, (77), 24 states have internal predecessors, (77), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 156 [2021-04-16 06:47:15,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:47:15,505 INFO L225 Difference]: With dead ends: 268 [2021-04-16 06:47:15,505 INFO L226 Difference]: Without dead ends: 177 [2021-04-16 06:47:15,506 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 1070.3ms TimeCoverageRelationStatistics Valid=210, Invalid=1682, Unknown=0, NotChecked=0, Total=1892 [2021-04-16 06:47:15,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2021-04-16 06:47:15,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 162. [2021-04-16 06:47:15,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 141 states have (on average 1.0283687943262412) internal successors, (145), 141 states have internal predecessors, (145), 11 states have call successors, (11), 11 states have call predecessors, (11), 9 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2021-04-16 06:47:15,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 166 transitions. [2021-04-16 06:47:15,547 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 166 transitions. Word has length 156 [2021-04-16 06:47:15,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:47:15,547 INFO L480 AbstractCegarLoop]: Abstraction has 162 states and 166 transitions. [2021-04-16 06:47:15,548 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 3.08) internal successors, (77), 24 states have internal predecessors, (77), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-04-16 06:47:15,548 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 166 transitions. [2021-04-16 06:47:15,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-04-16 06:47:15,549 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:47:15,549 INFO L519 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:47:15,549 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-04-16 06:47:15,549 INFO L428 AbstractCegarLoop]: === Iteration 26 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:47:15,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:47:15,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1959738867, now seen corresponding path program 23 times [2021-04-16 06:47:15,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:47:15,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [288725251] [2021-04-16 06:47:15,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:47:15,556 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:47:15,558 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:47:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:16,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:16,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:16,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:16,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-16 06:47:16,199 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.1 percent of original size [2021-04-16 06:47:16,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-16 06:47:16,230 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.1 percent of original size [2021-04-16 06:47:16,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-16 06:47:16,263 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.1 percent of original size [2021-04-16 06:47:16,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-16 06:47:16,299 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.1 percent of original size [2021-04-16 06:47:16,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-16 06:47:16,334 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.1 percent of original size [2021-04-16 06:47:16,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-16 06:47:16,371 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.1 percent of original size [2021-04-16 06:47:16,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-16 06:47:16,409 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.1 percent of original size [2021-04-16 06:47:16,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-16 06:47:16,450 INFO L142 QuantifierPusher]: treesize reduction 21, result has 73.8 percent of original size [2021-04-16 06:47:16,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-04-16 06:47:16,528 INFO L142 QuantifierPusher]: treesize reduction 19, result has 89.1 percent of original size [2021-04-16 06:47:16,529 INFO L147 QuantifierPusher]: treesize reduction 64, result has 59.0 percent of original size 92 [2021-04-16 06:47:16,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:16,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-16 06:47:16,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:16,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-16 06:47:16,588 INFO L142 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size [2021-04-16 06:47:16,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-16 06:47:16,593 INFO L142 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size [2021-04-16 06:47:16,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-16 06:47:16,600 INFO L142 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size [2021-04-16 06:47:16,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-16 06:47:16,608 INFO L142 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size [2021-04-16 06:47:16,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-16 06:47:16,617 INFO L142 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size [2021-04-16 06:47:16,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-16 06:47:16,628 INFO L142 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size [2021-04-16 06:47:16,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-16 06:47:16,641 INFO L142 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size [2021-04-16 06:47:16,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-16 06:47:16,655 INFO L142 QuantifierPusher]: treesize reduction 20, result has 90.3 percent of original size [2021-04-16 06:47:16,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-04-16 06:47:16,684 INFO L142 QuantifierPusher]: treesize reduction 23, result has 84.6 percent of original size [2021-04-16 06:47:16,685 INFO L147 QuantifierPusher]: treesize reduction 9, result has 92.9 percent of original size 117 [2021-04-16 06:47:16,711 INFO L142 QuantifierPusher]: treesize reduction 5, result has 97.0 percent of original size [2021-04-16 06:47:16,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-04-16 06:47:16,782 INFO L142 QuantifierPusher]: treesize reduction 40, result has 48.7 percent of original size [2021-04-16 06:47:16,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-16 06:47:16,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:16,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-16 06:47:16,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:16,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-16 06:47:16,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:16,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-16 06:47:16,819 INFO L142 QuantifierPusher]: treesize reduction 8, result has 86.2 percent of original size [2021-04-16 06:47:16,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-04-16 06:47:16,824 INFO L142 QuantifierPusher]: treesize reduction 8, result has 86.2 percent of original size [2021-04-16 06:47:16,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-04-16 06:47:16,830 INFO L142 QuantifierPusher]: treesize reduction 8, result has 86.2 percent of original size [2021-04-16 06:47:16,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-04-16 06:47:16,837 INFO L142 QuantifierPusher]: treesize reduction 8, result has 86.2 percent of original size [2021-04-16 06:47:16,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-04-16 06:47:16,856 INFO L142 QuantifierPusher]: treesize reduction 8, result has 86.2 percent of original size [2021-04-16 06:47:16,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-04-16 06:47:16,866 INFO L142 QuantifierPusher]: treesize reduction 8, result has 86.2 percent of original size [2021-04-16 06:47:16,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-04-16 06:47:16,875 INFO L142 QuantifierPusher]: treesize reduction 8, result has 86.2 percent of original size [2021-04-16 06:47:16,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-04-16 06:47:16,886 INFO L142 QuantifierPusher]: treesize reduction 8, result has 86.2 percent of original size [2021-04-16 06:47:16,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-04-16 06:47:16,897 INFO L142 QuantifierPusher]: treesize reduction 8, result has 86.2 percent of original size [2021-04-16 06:47:16,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-04-16 06:47:16,909 INFO L142 QuantifierPusher]: treesize reduction 8, result has 86.2 percent of original size [2021-04-16 06:47:16,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-04-16 06:47:16,921 INFO L142 QuantifierPusher]: treesize reduction 8, result has 86.2 percent of original size [2021-04-16 06:47:16,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-04-16 06:47:16,934 INFO L142 QuantifierPusher]: treesize reduction 8, result has 86.2 percent of original size [2021-04-16 06:47:16,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-04-16 06:47:16,947 INFO L142 QuantifierPusher]: treesize reduction 8, result has 86.2 percent of original size [2021-04-16 06:47:16,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-04-16 06:47:16,961 INFO L142 QuantifierPusher]: treesize reduction 8, result has 86.2 percent of original size [2021-04-16 06:47:16,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-04-16 06:47:16,978 INFO L142 QuantifierPusher]: treesize reduction 32, result has 93.3 percent of original size [2021-04-16 06:47:16,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 446 [2021-04-16 06:47:17,026 INFO L142 QuantifierPusher]: treesize reduction 175, result has 57.4 percent of original size [2021-04-16 06:47:17,028 INFO L147 QuantifierPusher]: treesize reduction 44, result has 81.4 percent of original size 192 [2021-04-16 06:47:17,152 INFO L142 QuantifierPusher]: treesize reduction 18, result has 95.0 percent of original size [2021-04-16 06:47:17,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 342 [2021-04-16 06:47:17,283 INFO L142 QuantifierPusher]: treesize reduction 53, result has 57.9 percent of original size [2021-04-16 06:47:17,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-04-16 06:47:17,348 INFO L142 QuantifierPusher]: treesize reduction 12, result has 85.9 percent of original size [2021-04-16 06:47:17,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-04-16 06:47:17,350 INFO L142 QuantifierPusher]: treesize reduction 12, result has 86.4 percent of original size [2021-04-16 06:47:17,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-04-16 06:47:17,415 INFO L142 QuantifierPusher]: treesize reduction 12, result has 88.0 percent of original size [2021-04-16 06:47:17,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-04-16 06:47:17,486 INFO L142 QuantifierPusher]: treesize reduction 12, result has 88.0 percent of original size [2021-04-16 06:47:17,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-04-16 06:47:17,557 INFO L142 QuantifierPusher]: treesize reduction 12, result has 88.0 percent of original size [2021-04-16 06:47:17,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-04-16 06:47:17,629 INFO L142 QuantifierPusher]: treesize reduction 12, result has 88.0 percent of original size [2021-04-16 06:47:17,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-04-16 06:47:17,700 INFO L142 QuantifierPusher]: treesize reduction 12, result has 88.0 percent of original size [2021-04-16 06:47:17,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-04-16 06:47:17,773 INFO L142 QuantifierPusher]: treesize reduction 12, result has 88.0 percent of original size [2021-04-16 06:47:17,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-04-16 06:47:17,849 INFO L142 QuantifierPusher]: treesize reduction 12, result has 88.0 percent of original size [2021-04-16 06:47:17,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-04-16 06:47:17,929 INFO L142 QuantifierPusher]: treesize reduction 21, result has 95.4 percent of original size [2021-04-16 06:47:17,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 436 [2021-04-16 06:47:18,122 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 42 [2021-04-16 06:47:18,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:18,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 06:47:18,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:18,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:47:18,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:18,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:47:18,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:18,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:18,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:47:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:18,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:18,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:18,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-04-16 06:47:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:18,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:18,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:18,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-04-16 06:47:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:18,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:18,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:18,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-04-16 06:47:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:18,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:18,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:18,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-04-16 06:47:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:18,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:18,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:18,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-04-16 06:47:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:18,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:18,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:18,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-04-16 06:47:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:18,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:18,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:18,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-04-16 06:47:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:18,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:18,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:18,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-04-16 06:47:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:18,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:18,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:18,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:47:18,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [288725251] [2021-04-16 06:47:18,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:47:18,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-04-16 06:47:18,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714950064] [2021-04-16 06:47:18,254 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-04-16 06:47:18,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:47:18,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-04-16 06:47:18,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=689, Unknown=0, NotChecked=0, Total=812 [2021-04-16 06:47:18,255 INFO L87 Difference]: Start difference. First operand 162 states and 166 transitions. Second operand has 29 states, 28 states have (on average 4.285714285714286) internal successors, (120), 27 states have internal predecessors, (120), 10 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2021-04-16 06:47:20,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:47:20,029 INFO L93 Difference]: Finished difference Result 183 states and 188 transitions. [2021-04-16 06:47:20,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-04-16 06:47:20,030 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 4.285714285714286) internal successors, (120), 27 states have internal predecessors, (120), 10 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 161 [2021-04-16 06:47:20,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:47:20,031 INFO L225 Difference]: With dead ends: 183 [2021-04-16 06:47:20,031 INFO L226 Difference]: Without dead ends: 181 [2021-04-16 06:47:20,032 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 21 SyntacticMatches, 29 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 476 ImplicationChecksByTransitivity, 2429.0ms TimeCoverageRelationStatistics Valid=209, Invalid=1513, Unknown=0, NotChecked=0, Total=1722 [2021-04-16 06:47:20,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2021-04-16 06:47:20,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 170. [2021-04-16 06:47:20,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 147 states have (on average 1.0272108843537415) internal successors, (151), 147 states have internal predecessors, (151), 12 states have call successors, (12), 12 states have call predecessors, (12), 10 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2021-04-16 06:47:20,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 174 transitions. [2021-04-16 06:47:20,071 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 174 transitions. Word has length 161 [2021-04-16 06:47:20,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:47:20,072 INFO L480 AbstractCegarLoop]: Abstraction has 170 states and 174 transitions. [2021-04-16 06:47:20,072 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 28 states have (on average 4.285714285714286) internal successors, (120), 27 states have internal predecessors, (120), 10 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2021-04-16 06:47:20,072 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 174 transitions. [2021-04-16 06:47:20,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-04-16 06:47:20,072 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:47:20,072 INFO L519 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:47:20,072 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-04-16 06:47:20,073 INFO L428 AbstractCegarLoop]: === Iteration 27 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:47:20,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:47:20,073 INFO L82 PathProgramCache]: Analyzing trace with hash -2030169907, now seen corresponding path program 24 times [2021-04-16 06:47:20,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:47:20,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [321024441] [2021-04-16 06:47:20,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:47:20,078 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:47:20,078 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:47:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:20,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:20,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:20,797 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-16 06:47:20,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-16 06:47:20,817 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.2 percent of original size [2021-04-16 06:47:20,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-04-16 06:47:20,871 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.2 percent of original size [2021-04-16 06:47:20,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-04-16 06:47:20,925 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.2 percent of original size [2021-04-16 06:47:20,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-04-16 06:47:21,003 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.2 percent of original size [2021-04-16 06:47:21,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-04-16 06:47:21,084 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.2 percent of original size [2021-04-16 06:47:21,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-04-16 06:47:21,165 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.2 percent of original size [2021-04-16 06:47:21,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-04-16 06:47:21,241 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.2 percent of original size [2021-04-16 06:47:21,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-04-16 06:47:21,299 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.2 percent of original size [2021-04-16 06:47:21,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-04-16 06:47:21,379 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.4 percent of original size [2021-04-16 06:47:21,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-04-16 06:47:21,444 INFO L142 QuantifierPusher]: treesize reduction 54, result has 69.8 percent of original size [2021-04-16 06:47:21,445 INFO L147 QuantifierPusher]: treesize reduction 9, result has 92.8 percent of original size 116 [2021-04-16 06:47:21,472 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.1 percent of original size [2021-04-16 06:47:21,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-04-16 06:47:21,538 INFO L142 QuantifierPusher]: treesize reduction 11, result has 79.2 percent of original size [2021-04-16 06:47:21,538 INFO L147 QuantifierPusher]: treesize reduction 11, result has 73.8 percent of original size 31 [2021-04-16 06:47:21,580 INFO L142 QuantifierPusher]: treesize reduction 11, result has 80.4 percent of original size [2021-04-16 06:47:21,580 INFO L147 QuantifierPusher]: treesize reduction 11, result has 75.6 percent of original size 34 [2021-04-16 06:47:21,625 INFO L142 QuantifierPusher]: treesize reduction 11, result has 80.4 percent of original size [2021-04-16 06:47:21,626 INFO L147 QuantifierPusher]: treesize reduction 11, result has 75.6 percent of original size 34 [2021-04-16 06:47:21,627 INFO L142 QuantifierPusher]: treesize reduction 44, result has 68.6 percent of original size [2021-04-16 06:47:21,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-04-16 06:47:21,693 INFO L142 QuantifierPusher]: treesize reduction 44, result has 68.6 percent of original size [2021-04-16 06:47:21,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-04-16 06:47:21,695 INFO L142 QuantifierPusher]: treesize reduction 33, result has 76.4 percent of original size [2021-04-16 06:47:21,695 INFO L147 QuantifierPusher]: treesize reduction 11, result has 89.7 percent of original size 96 [2021-04-16 06:47:21,766 INFO L142 QuantifierPusher]: treesize reduction 33, result has 76.4 percent of original size [2021-04-16 06:47:21,767 INFO L147 QuantifierPusher]: treesize reduction 11, result has 89.7 percent of original size 96 [2021-04-16 06:47:21,768 INFO L142 QuantifierPusher]: treesize reduction 33, result has 76.4 percent of original size [2021-04-16 06:47:21,769 INFO L147 QuantifierPusher]: treesize reduction 11, result has 89.7 percent of original size 96 [2021-04-16 06:47:21,841 INFO L142 QuantifierPusher]: treesize reduction 33, result has 76.4 percent of original size [2021-04-16 06:47:21,842 INFO L147 QuantifierPusher]: treesize reduction 11, result has 89.7 percent of original size 96 [2021-04-16 06:47:21,843 INFO L142 QuantifierPusher]: treesize reduction 33, result has 76.4 percent of original size [2021-04-16 06:47:21,844 INFO L147 QuantifierPusher]: treesize reduction 11, result has 89.7 percent of original size 96 [2021-04-16 06:47:21,923 INFO L142 QuantifierPusher]: treesize reduction 33, result has 76.4 percent of original size [2021-04-16 06:47:21,924 INFO L147 QuantifierPusher]: treesize reduction 11, result has 89.7 percent of original size 96 [2021-04-16 06:47:21,925 INFO L142 QuantifierPusher]: treesize reduction 41, result has 73.0 percent of original size [2021-04-16 06:47:21,926 INFO L147 QuantifierPusher]: treesize reduction 9, result has 91.9 percent of original size 102 [2021-04-16 06:47:22,024 INFO L142 QuantifierPusher]: treesize reduction 46, result has 68.9 percent of original size [2021-04-16 06:47:22,025 INFO L147 QuantifierPusher]: treesize reduction 11, result has 89.2 percent of original size 91 [2021-04-16 06:47:22,108 INFO L142 QuantifierPusher]: treesize reduction 23, result has 73.9 percent of original size [2021-04-16 06:47:22,109 INFO L147 QuantifierPusher]: treesize reduction 11, result has 83.1 percent of original size 54 [2021-04-16 06:47:22,177 INFO L142 QuantifierPusher]: treesize reduction 23, result has 73.9 percent of original size [2021-04-16 06:47:22,178 INFO L147 QuantifierPusher]: treesize reduction 11, result has 83.1 percent of original size 54 [2021-04-16 06:47:22,179 INFO L142 QuantifierPusher]: treesize reduction 23, result has 73.9 percent of original size [2021-04-16 06:47:22,180 INFO L147 QuantifierPusher]: treesize reduction 11, result has 83.1 percent of original size 54 [2021-04-16 06:47:22,247 INFO L142 QuantifierPusher]: treesize reduction 23, result has 73.9 percent of original size [2021-04-16 06:47:22,248 INFO L147 QuantifierPusher]: treesize reduction 11, result has 83.1 percent of original size 54 [2021-04-16 06:47:22,249 INFO L142 QuantifierPusher]: treesize reduction 23, result has 73.9 percent of original size [2021-04-16 06:47:22,250 INFO L147 QuantifierPusher]: treesize reduction 11, result has 83.1 percent of original size 54 [2021-04-16 06:47:22,328 INFO L142 QuantifierPusher]: treesize reduction 23, result has 73.9 percent of original size [2021-04-16 06:47:22,329 INFO L147 QuantifierPusher]: treesize reduction 11, result has 83.1 percent of original size 54 [2021-04-16 06:47:22,331 INFO L142 QuantifierPusher]: treesize reduction 53, result has 85.5 percent of original size [2021-04-16 06:47:22,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-04-16 06:47:22,506 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 55 [2021-04-16 06:47:22,508 INFO L142 QuantifierPusher]: treesize reduction 59, result has 65.9 percent of original size [2021-04-16 06:47:22,509 INFO L147 QuantifierPusher]: treesize reduction 9, result has 92.1 percent of original size 105 [2021-04-16 06:47:22,615 INFO L142 QuantifierPusher]: treesize reduction 38, result has 68.1 percent of original size [2021-04-16 06:47:22,615 INFO L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-04-16 06:47:22,638 INFO L142 QuantifierPusher]: treesize reduction 38, result has 68.9 percent of original size [2021-04-16 06:47:22,638 INFO L147 QuantifierPusher]: treesize reduction 9, result has 89.3 percent of original size 75 [2021-04-16 06:47:22,661 INFO L142 QuantifierPusher]: treesize reduction 38, result has 68.9 percent of original size [2021-04-16 06:47:22,662 INFO L147 QuantifierPusher]: treesize reduction 9, result has 89.3 percent of original size 75 [2021-04-16 06:47:22,685 INFO L142 QuantifierPusher]: treesize reduction 57, result has 70.8 percent of original size [2021-04-16 06:47:22,686 INFO L147 QuantifierPusher]: treesize reduction 9, result has 93.5 percent of original size 129 [2021-04-16 06:47:22,717 INFO L142 QuantifierPusher]: treesize reduction 57, result has 70.8 percent of original size [2021-04-16 06:47:22,718 INFO L147 QuantifierPusher]: treesize reduction 9, result has 93.5 percent of original size 129 [2021-04-16 06:47:22,749 INFO L142 QuantifierPusher]: treesize reduction 57, result has 70.8 percent of original size [2021-04-16 06:47:22,750 INFO L147 QuantifierPusher]: treesize reduction 9, result has 93.5 percent of original size 129 [2021-04-16 06:47:22,783 INFO L142 QuantifierPusher]: treesize reduction 57, result has 70.8 percent of original size [2021-04-16 06:47:22,784 INFO L147 QuantifierPusher]: treesize reduction 9, result has 93.5 percent of original size 129 [2021-04-16 06:47:22,817 INFO L142 QuantifierPusher]: treesize reduction 57, result has 70.8 percent of original size [2021-04-16 06:47:22,818 INFO L147 QuantifierPusher]: treesize reduction 9, result has 93.5 percent of original size 129 [2021-04-16 06:47:22,852 INFO L142 QuantifierPusher]: treesize reduction 57, result has 70.8 percent of original size [2021-04-16 06:47:22,853 INFO L147 QuantifierPusher]: treesize reduction 9, result has 93.5 percent of original size 129 [2021-04-16 06:47:22,885 INFO L142 QuantifierPusher]: treesize reduction 66, result has 66.2 percent of original size [2021-04-16 06:47:22,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-04-16 06:47:22,920 INFO L142 QuantifierPusher]: treesize reduction 66, result has 66.2 percent of original size [2021-04-16 06:47:22,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-04-16 06:47:22,956 INFO L142 QuantifierPusher]: treesize reduction 66, result has 66.2 percent of original size [2021-04-16 06:47:22,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-04-16 06:47:22,996 INFO L142 QuantifierPusher]: treesize reduction 66, result has 66.2 percent of original size [2021-04-16 06:47:22,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-04-16 06:47:23,038 INFO L142 QuantifierPusher]: treesize reduction 57, result has 70.8 percent of original size [2021-04-16 06:47:23,039 INFO L147 QuantifierPusher]: treesize reduction 9, result has 93.5 percent of original size 129 [2021-04-16 06:47:23,078 INFO L142 QuantifierPusher]: treesize reduction 57, result has 70.8 percent of original size [2021-04-16 06:47:23,079 INFO L147 QuantifierPusher]: treesize reduction 9, result has 93.5 percent of original size 129 [2021-04-16 06:47:23,118 INFO L142 QuantifierPusher]: treesize reduction 57, result has 70.8 percent of original size [2021-04-16 06:47:23,119 INFO L147 QuantifierPusher]: treesize reduction 9, result has 93.5 percent of original size 129 [2021-04-16 06:47:23,160 INFO L142 QuantifierPusher]: treesize reduction 57, result has 70.8 percent of original size [2021-04-16 06:47:23,161 INFO L147 QuantifierPusher]: treesize reduction 9, result has 93.5 percent of original size 129 [2021-04-16 06:47:23,201 INFO L142 QuantifierPusher]: treesize reduction 57, result has 70.8 percent of original size [2021-04-16 06:47:23,202 INFO L147 QuantifierPusher]: treesize reduction 9, result has 93.5 percent of original size 129 [2021-04-16 06:47:23,253 INFO L142 QuantifierPusher]: treesize reduction 57, result has 70.8 percent of original size [2021-04-16 06:47:23,254 INFO L147 QuantifierPusher]: treesize reduction 9, result has 93.5 percent of original size 129 [2021-04-16 06:47:23,302 INFO L142 QuantifierPusher]: treesize reduction 78, result has 87.6 percent of original size [2021-04-16 06:47:23,305 INFO L147 QuantifierPusher]: treesize reduction 9, result has 98.4 percent of original size 543 [2021-04-16 06:47:23,510 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 43 [2021-04-16 06:47:23,513 INFO L142 QuantifierPusher]: treesize reduction 90, result has 77.5 percent of original size [2021-04-16 06:47:23,515 INFO L147 QuantifierPusher]: treesize reduction 18, result has 94.2 percent of original size 292 [2021-04-16 06:47:23,674 INFO L142 QuantifierPusher]: treesize reduction 48, result has 63.1 percent of original size [2021-04-16 06:47:23,675 INFO L147 QuantifierPusher]: treesize reduction 9, result has 89.0 percent of original size 73 [2021-04-16 06:47:23,745 INFO L142 QuantifierPusher]: treesize reduction 48, result has 63.9 percent of original size [2021-04-16 06:47:23,746 INFO L147 QuantifierPusher]: treesize reduction 9, result has 89.4 percent of original size 76 [2021-04-16 06:47:23,826 INFO L142 QuantifierPusher]: treesize reduction 48, result has 66.9 percent of original size [2021-04-16 06:47:23,826 INFO L147 QuantifierPusher]: treesize reduction 9, result has 90.7 percent of original size 88 [2021-04-16 06:47:23,928 INFO L142 QuantifierPusher]: treesize reduction 48, result has 66.9 percent of original size [2021-04-16 06:47:23,929 INFO L147 QuantifierPusher]: treesize reduction 9, result has 90.7 percent of original size 88 [2021-04-16 06:47:24,021 INFO L142 QuantifierPusher]: treesize reduction 57, result has 60.7 percent of original size [2021-04-16 06:47:24,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-04-16 06:47:24,106 INFO L142 QuantifierPusher]: treesize reduction 57, result has 60.7 percent of original size [2021-04-16 06:47:24,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-04-16 06:47:24,201 INFO L142 QuantifierPusher]: treesize reduction 57, result has 60.7 percent of original size [2021-04-16 06:47:24,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-04-16 06:47:24,298 INFO L142 QuantifierPusher]: treesize reduction 48, result has 66.9 percent of original size [2021-04-16 06:47:24,299 INFO L147 QuantifierPusher]: treesize reduction 9, result has 90.7 percent of original size 88 [2021-04-16 06:47:24,409 INFO L142 QuantifierPusher]: treesize reduction 48, result has 66.9 percent of original size [2021-04-16 06:47:24,410 INFO L147 QuantifierPusher]: treesize reduction 9, result has 90.7 percent of original size 88 [2021-04-16 06:47:24,521 INFO L142 QuantifierPusher]: treesize reduction 57, result has 60.7 percent of original size [2021-04-16 06:47:24,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-04-16 06:47:24,640 INFO L142 QuantifierPusher]: treesize reduction 66, result has 86.9 percent of original size [2021-04-16 06:47:24,642 INFO L147 QuantifierPusher]: treesize reduction 9, result has 97.9 percent of original size 427 [2021-04-16 06:47:24,850 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 48 [2021-04-16 06:47:24,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:24,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 06:47:24,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:24,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:47:24,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:24,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:47:24,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:24,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:25,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:47:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:25,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:25,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:25,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-04-16 06:47:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:25,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:25,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:25,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-04-16 06:47:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:25,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:25,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:25,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-04-16 06:47:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:25,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:25,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:25,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-04-16 06:47:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:25,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:25,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:25,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-04-16 06:47:25,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:25,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:25,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:25,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-04-16 06:47:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:25,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:25,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:25,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-04-16 06:47:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:25,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:25,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:25,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-04-16 06:47:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:25,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:25,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:25,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-04-16 06:47:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:25,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:25,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:25,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:47:25,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [321024441] [2021-04-16 06:47:25,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:47:25,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [] total 43 [2021-04-16 06:47:25,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250985198] [2021-04-16 06:47:25,077 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-04-16 06:47:25,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:47:25,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-04-16 06:47:25,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1647, Unknown=0, NotChecked=0, Total=1806 [2021-04-16 06:47:25,078 INFO L87 Difference]: Start difference. First operand 170 states and 174 transitions. Second operand has 43 states, 42 states have (on average 2.9285714285714284) internal successors, (123), 41 states have internal predecessors, (123), 11 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-04-16 06:47:29,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:47:29,555 INFO L93 Difference]: Finished difference Result 294 states and 314 transitions. [2021-04-16 06:47:29,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-04-16 06:47:29,557 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 2.9285714285714284) internal successors, (123), 41 states have internal predecessors, (123), 11 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Word has length 169 [2021-04-16 06:47:29,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:47:29,558 INFO L225 Difference]: With dead ends: 294 [2021-04-16 06:47:29,558 INFO L226 Difference]: Without dead ends: 292 [2021-04-16 06:47:29,559 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 29 SyntacticMatches, 20 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1300 ImplicationChecksByTransitivity, 5726.3ms TimeCoverageRelationStatistics Valid=406, Invalid=4150, Unknown=0, NotChecked=0, Total=4556 [2021-04-16 06:47:29,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2021-04-16 06:47:29,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 270. [2021-04-16 06:47:29,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 236 states have (on average 1.0296610169491525) internal successors, (243), 237 states have internal predecessors, (243), 22 states have call successors, (22), 13 states have call predecessors, (22), 11 states have return successors, (21), 19 states have call predecessors, (21), 21 states have call successors, (21) [2021-04-16 06:47:29,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 286 transitions. [2021-04-16 06:47:29,637 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 286 transitions. Word has length 169 [2021-04-16 06:47:29,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:47:29,637 INFO L480 AbstractCegarLoop]: Abstraction has 270 states and 286 transitions. [2021-04-16 06:47:29,637 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 43 states, 42 states have (on average 2.9285714285714284) internal successors, (123), 41 states have internal predecessors, (123), 11 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-04-16 06:47:29,638 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 286 transitions. [2021-04-16 06:47:29,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-04-16 06:47:29,638 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:47:29,638 INFO L519 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:47:29,638 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-04-16 06:47:29,639 INFO L428 AbstractCegarLoop]: === Iteration 28 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:47:29,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:47:29,639 INFO L82 PathProgramCache]: Analyzing trace with hash 2061845798, now seen corresponding path program 25 times [2021-04-16 06:47:29,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:47:29,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1423911343] [2021-04-16 06:47:29,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:47:29,646 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:47:29,647 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:47:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:29,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:29,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:29,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:29,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 06:47:29,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:29,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:47:29,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:29,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:47:29,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:29,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:47:29,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:29,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:47:29,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:29,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:47:29,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:29,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:47:29,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:29,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:47:29,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:29,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:47:29,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:29,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:47:29,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:29,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:47:29,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:29,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-16 06:47:29,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:29,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 06:47:29,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:29,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-16 06:47:29,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:29,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:47:29,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:29,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:47:29,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:29,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:47:29,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:29,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:47:30,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:30,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:47:30,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:30,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:47:30,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:30,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:47:30,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:30,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:47:30,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:30,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:47:30,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:30,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-16 06:47:30,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:30,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:30,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:47:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:30,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:30,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:30,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-04-16 06:47:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:30,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:30,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:30,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-04-16 06:47:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:30,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:30,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:30,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-04-16 06:47:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:30,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:30,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:30,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-04-16 06:47:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:30,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:30,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:30,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-04-16 06:47:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:30,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:30,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:30,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-04-16 06:47:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:30,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:30,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:30,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-04-16 06:47:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:30,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:30,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:30,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-04-16 06:47:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:30,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:30,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:30,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-04-16 06:47:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:30,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:30,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:30,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:47:30,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1423911343] [2021-04-16 06:47:30,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:47:30,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-04-16 06:47:30,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123070103] [2021-04-16 06:47:30,273 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-04-16 06:47:30,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:47:30,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-04-16 06:47:30,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=637, Unknown=0, NotChecked=0, Total=702 [2021-04-16 06:47:30,274 INFO L87 Difference]: Start difference. First operand 270 states and 286 transitions. Second operand has 27 states, 27 states have (on average 3.074074074074074) internal successors, (83), 26 states have internal predecessors, (83), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-04-16 06:47:34,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:47:34,263 INFO L93 Difference]: Finished difference Result 506 states and 550 transitions. [2021-04-16 06:47:34,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-04-16 06:47:34,264 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 3.074074074074074) internal successors, (83), 26 states have internal predecessors, (83), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 172 [2021-04-16 06:47:34,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:47:34,265 INFO L225 Difference]: With dead ends: 506 [2021-04-16 06:47:34,265 INFO L226 Difference]: Without dead ends: 362 [2021-04-16 06:47:34,266 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 1302.6ms TimeCoverageRelationStatistics Valid=236, Invalid=2020, Unknown=0, NotChecked=0, Total=2256 [2021-04-16 06:47:34,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2021-04-16 06:47:34,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 281. [2021-04-16 06:47:34,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 247 states have (on average 1.0323886639676114) internal successors, (255), 248 states have internal predecessors, (255), 22 states have call successors, (22), 13 states have call predecessors, (22), 11 states have return successors, (21), 19 states have call predecessors, (21), 21 states have call successors, (21) [2021-04-16 06:47:34,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 298 transitions. [2021-04-16 06:47:34,346 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 298 transitions. Word has length 172 [2021-04-16 06:47:34,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:47:34,346 INFO L480 AbstractCegarLoop]: Abstraction has 281 states and 298 transitions. [2021-04-16 06:47:34,346 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 3.074074074074074) internal successors, (83), 26 states have internal predecessors, (83), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-04-16 06:47:34,347 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 298 transitions. [2021-04-16 06:47:34,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-04-16 06:47:34,347 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:47:34,347 INFO L519 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:47:34,348 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-04-16 06:47:34,348 INFO L428 AbstractCegarLoop]: === Iteration 29 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:47:34,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:47:34,348 INFO L82 PathProgramCache]: Analyzing trace with hash -259954265, now seen corresponding path program 26 times [2021-04-16 06:47:34,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:47:34,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1974910992] [2021-04-16 06:47:34,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:47:34,353 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:47:34,354 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:47:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:34,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:34,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:34,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:34,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 06:47:34,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:34,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:47:34,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:34,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:47:34,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:34,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:47:34,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:34,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:47:34,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:34,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:47:34,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:34,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:47:34,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:34,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:47:34,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:34,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:47:34,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:34,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:47:34,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:34,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:47:34,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:34,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:47:34,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:34,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:47:34,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:34,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:47:34,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:34,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:47:34,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:34,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:47:34,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:34,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:47:34,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:34,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:47:34,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:34,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:47:34,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:34,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:47:34,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:34,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:47:34,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:34,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:47:34,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:34,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-16 06:47:35,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:35,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:35,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:47:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:35,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:35,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:35,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-04-16 06:47:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:35,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:35,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:35,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-04-16 06:47:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:35,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:35,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:35,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-04-16 06:47:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:35,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:35,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:35,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-04-16 06:47:35,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:35,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:35,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:35,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-04-16 06:47:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:35,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:35,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:35,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-04-16 06:47:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:35,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:35,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:35,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-04-16 06:47:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:35,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:35,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:35,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-04-16 06:47:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:35,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:35,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:35,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-04-16 06:47:35,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:35,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:35,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:35,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-04-16 06:47:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:35,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:35,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:35,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:47:35,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1974910992] [2021-04-16 06:47:35,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:47:35,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-04-16 06:47:35,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208789069] [2021-04-16 06:47:35,115 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-04-16 06:47:35,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:47:35,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-04-16 06:47:35,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=599, Unknown=0, NotChecked=0, Total=650 [2021-04-16 06:47:35,116 INFO L87 Difference]: Start difference. First operand 281 states and 298 transitions. Second operand has 26 states, 26 states have (on average 3.1153846153846154) internal successors, (81), 25 states have internal predecessors, (81), 12 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-04-16 06:47:38,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:47:38,370 INFO L93 Difference]: Finished difference Result 407 states and 428 transitions. [2021-04-16 06:47:38,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-04-16 06:47:38,371 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.1153846153846154) internal successors, (81), 25 states have internal predecessors, (81), 12 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Word has length 177 [2021-04-16 06:47:38,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:47:38,372 INFO L225 Difference]: With dead ends: 407 [2021-04-16 06:47:38,372 INFO L226 Difference]: Without dead ends: 193 [2021-04-16 06:47:38,373 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1069.8ms TimeCoverageRelationStatistics Valid=146, Invalid=1114, Unknown=0, NotChecked=0, Total=1260 [2021-04-16 06:47:38,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2021-04-16 06:47:38,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 178. [2021-04-16 06:47:38,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 155 states have (on average 1.0258064516129033) internal successors, (159), 155 states have internal predecessors, (159), 12 states have call successors, (12), 12 states have call predecessors, (12), 10 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2021-04-16 06:47:38,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 182 transitions. [2021-04-16 06:47:38,416 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 182 transitions. Word has length 177 [2021-04-16 06:47:38,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:47:38,416 INFO L480 AbstractCegarLoop]: Abstraction has 178 states and 182 transitions. [2021-04-16 06:47:38,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 3.1153846153846154) internal successors, (81), 25 states have internal predecessors, (81), 12 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-04-16 06:47:38,416 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 182 transitions. [2021-04-16 06:47:38,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-04-16 06:47:38,416 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:47:38,417 INFO L519 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:47:38,417 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-04-16 06:47:38,417 INFO L428 AbstractCegarLoop]: === Iteration 30 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:47:38,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:47:38,417 INFO L82 PathProgramCache]: Analyzing trace with hash -60471087, now seen corresponding path program 27 times [2021-04-16 06:47:38,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:47:38,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1697869032] [2021-04-16 06:47:38,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:47:38,422 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:47:38,423 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:47:39,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:39,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:39,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:39,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:39,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-16 06:47:39,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:39,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-16 06:47:39,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:39,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-16 06:47:39,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:39,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-16 06:47:39,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:39,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-16 06:47:39,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:39,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-16 06:47:39,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:39,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-16 06:47:39,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:39,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-16 06:47:39,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:39,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-16 06:47:39,626 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.3 percent of original size [2021-04-16 06:47:39,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-04-16 06:47:39,700 INFO L142 QuantifierPusher]: treesize reduction 109, result has 38.1 percent of original size [2021-04-16 06:47:39,701 INFO L147 QuantifierPusher]: treesize reduction 9, result has 86.6 percent of original size 58 [2021-04-16 06:47:39,723 INFO L142 QuantifierPusher]: treesize reduction 17, result has 90.6 percent of original size [2021-04-16 06:47:39,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-04-16 06:47:39,824 INFO L142 QuantifierPusher]: treesize reduction 35, result has 82.0 percent of original size [2021-04-16 06:47:39,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 159 [2021-04-16 06:47:39,900 INFO L142 QuantifierPusher]: treesize reduction 9, result has 83.9 percent of original size [2021-04-16 06:47:39,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-16 06:47:39,947 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.7 percent of original size [2021-04-16 06:47:39,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-04-16 06:47:39,952 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.7 percent of original size [2021-04-16 06:47:39,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-04-16 06:47:39,958 INFO L142 QuantifierPusher]: treesize reduction 31, result has 75.2 percent of original size [2021-04-16 06:47:39,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-04-16 06:47:39,983 INFO L142 QuantifierPusher]: treesize reduction 50, result has 59.3 percent of original size [2021-04-16 06:47:39,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-04-16 06:47:39,991 INFO L142 QuantifierPusher]: treesize reduction 14, result has 80.6 percent of original size [2021-04-16 06:47:39,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-04-16 06:47:40,002 INFO L142 QuantifierPusher]: treesize reduction 14, result has 80.6 percent of original size [2021-04-16 06:47:40,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-04-16 06:47:40,012 INFO L142 QuantifierPusher]: treesize reduction 14, result has 80.6 percent of original size [2021-04-16 06:47:40,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-04-16 06:47:40,024 INFO L142 QuantifierPusher]: treesize reduction 14, result has 80.6 percent of original size [2021-04-16 06:47:40,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-04-16 06:47:40,035 INFO L142 QuantifierPusher]: treesize reduction 14, result has 80.6 percent of original size [2021-04-16 06:47:40,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-04-16 06:47:40,049 INFO L142 QuantifierPusher]: treesize reduction 14, result has 80.6 percent of original size [2021-04-16 06:47:40,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-04-16 06:47:40,061 INFO L142 QuantifierPusher]: treesize reduction 14, result has 80.6 percent of original size [2021-04-16 06:47:40,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-04-16 06:47:40,075 INFO L142 QuantifierPusher]: treesize reduction 14, result has 80.6 percent of original size [2021-04-16 06:47:40,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-04-16 06:47:40,088 INFO L142 QuantifierPusher]: treesize reduction 14, result has 80.6 percent of original size [2021-04-16 06:47:40,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-04-16 06:47:40,104 INFO L142 QuantifierPusher]: treesize reduction 14, result has 80.6 percent of original size [2021-04-16 06:47:40,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-04-16 06:47:40,119 INFO L142 QuantifierPusher]: treesize reduction 14, result has 80.6 percent of original size [2021-04-16 06:47:40,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-04-16 06:47:40,137 INFO L142 QuantifierPusher]: treesize reduction 14, result has 80.6 percent of original size [2021-04-16 06:47:40,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-04-16 06:47:40,155 INFO L142 QuantifierPusher]: treesize reduction 14, result has 80.6 percent of original size [2021-04-16 06:47:40,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-04-16 06:47:40,175 INFO L142 QuantifierPusher]: treesize reduction 14, result has 80.6 percent of original size [2021-04-16 06:47:40,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-04-16 06:47:40,195 INFO L142 QuantifierPusher]: treesize reduction 31, result has 87.0 percent of original size [2021-04-16 06:47:40,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 208 [2021-04-16 06:47:40,233 INFO L142 QuantifierPusher]: treesize reduction 32, result has 82.1 percent of original size [2021-04-16 06:47:40,234 INFO L147 QuantifierPusher]: treesize reduction 9, result has 93.9 percent of original size 138 [2021-04-16 06:47:40,267 INFO L142 QuantifierPusher]: treesize reduction 14, result has 93.0 percent of original size [2021-04-16 06:47:40,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-04-16 06:47:40,362 INFO L142 QuantifierPusher]: treesize reduction 49, result has 54.6 percent of original size [2021-04-16 06:47:40,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-04-16 06:47:40,392 INFO L142 QuantifierPusher]: treesize reduction 9, result has 86.8 percent of original size [2021-04-16 06:47:40,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-04-16 06:47:40,422 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.3 percent of original size [2021-04-16 06:47:40,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-04-16 06:47:40,427 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.3 percent of original size [2021-04-16 06:47:40,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-04-16 06:47:40,432 INFO L142 QuantifierPusher]: treesize reduction 20, result has 81.3 percent of original size [2021-04-16 06:47:40,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-16 06:47:40,441 INFO L142 QuantifierPusher]: treesize reduction 20, result has 81.3 percent of original size [2021-04-16 06:47:40,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-16 06:47:40,449 INFO L142 QuantifierPusher]: treesize reduction 20, result has 81.3 percent of original size [2021-04-16 06:47:40,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-16 06:47:40,459 INFO L142 QuantifierPusher]: treesize reduction 20, result has 81.3 percent of original size [2021-04-16 06:47:40,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-16 06:47:40,469 INFO L142 QuantifierPusher]: treesize reduction 20, result has 81.3 percent of original size [2021-04-16 06:47:40,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-16 06:47:40,482 INFO L142 QuantifierPusher]: treesize reduction 20, result has 81.3 percent of original size [2021-04-16 06:47:40,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-16 06:47:40,494 INFO L142 QuantifierPusher]: treesize reduction 20, result has 81.3 percent of original size [2021-04-16 06:47:40,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-16 06:47:40,509 INFO L142 QuantifierPusher]: treesize reduction 20, result has 81.3 percent of original size [2021-04-16 06:47:40,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-16 06:47:40,523 INFO L142 QuantifierPusher]: treesize reduction 20, result has 81.3 percent of original size [2021-04-16 06:47:40,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-16 06:47:40,538 INFO L142 QuantifierPusher]: treesize reduction 20, result has 81.3 percent of original size [2021-04-16 06:47:40,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-16 06:47:40,554 INFO L142 QuantifierPusher]: treesize reduction 20, result has 81.3 percent of original size [2021-04-16 06:47:40,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-16 06:47:40,571 INFO L142 QuantifierPusher]: treesize reduction 20, result has 81.3 percent of original size [2021-04-16 06:47:40,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-16 06:47:40,588 INFO L142 QuantifierPusher]: treesize reduction 20, result has 81.3 percent of original size [2021-04-16 06:47:40,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-16 06:47:40,607 INFO L142 QuantifierPusher]: treesize reduction 20, result has 81.3 percent of original size [2021-04-16 06:47:40,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-16 06:47:40,627 INFO L142 QuantifierPusher]: treesize reduction 20, result has 81.3 percent of original size [2021-04-16 06:47:40,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-16 06:47:40,648 INFO L142 QuantifierPusher]: treesize reduction 20, result has 81.3 percent of original size [2021-04-16 06:47:40,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-16 06:47:40,673 INFO L142 QuantifierPusher]: treesize reduction 61, result has 89.4 percent of original size [2021-04-16 06:47:40,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 514 [2021-04-16 06:47:40,723 INFO L142 QuantifierPusher]: treesize reduction 94, result has 81.0 percent of original size [2021-04-16 06:47:40,726 INFO L147 QuantifierPusher]: treesize reduction 9, result has 97.8 percent of original size 392 [2021-04-16 06:47:40,882 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 50 [2021-04-16 06:47:40,890 INFO L142 QuantifierPusher]: treesize reduction 15, result has 96.2 percent of original size [2021-04-16 06:47:40,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-04-16 06:47:41,083 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 50 [2021-04-16 06:47:41,085 INFO L142 QuantifierPusher]: treesize reduction 20, result has 88.4 percent of original size [2021-04-16 06:47:41,086 INFO L147 QuantifierPusher]: treesize reduction 9, result has 94.1 percent of original size 144 [2021-04-16 06:47:41,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:41,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-04-16 06:47:41,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:41,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-04-16 06:47:41,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:41,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-04-16 06:47:41,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:41,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-04-16 06:47:41,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:41,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-04-16 06:47:41,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:41,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-04-16 06:47:41,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:41,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-04-16 06:47:41,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:41,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-04-16 06:47:42,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:42,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-04-16 06:47:42,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:42,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-04-16 06:47:42,366 INFO L142 QuantifierPusher]: treesize reduction 125, result has 53.5 percent of original size [2021-04-16 06:47:42,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-04-16 06:47:42,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:42,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 06:47:42,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:42,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:47:42,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:42,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:47:42,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:42,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:42,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:47:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:42,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:42,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:42,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-04-16 06:47:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:42,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:42,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:42,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-04-16 06:47:42,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:42,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:42,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:42,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-04-16 06:47:42,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:42,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:42,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:42,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-04-16 06:47:42,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:42,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:42,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:42,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-04-16 06:47:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:42,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:42,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:42,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-04-16 06:47:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:42,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:42,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:42,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-04-16 06:47:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:42,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:42,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:42,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-04-16 06:47:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:42,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:42,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:42,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-04-16 06:47:42,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:42,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:42,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:42,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:47:42,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1697869032] [2021-04-16 06:47:42,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:47:42,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2021-04-16 06:47:42,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190709818] [2021-04-16 06:47:42,678 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-04-16 06:47:42,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:47:42,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-04-16 06:47:42,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=984, Unknown=0, NotChecked=0, Total=1122 [2021-04-16 06:47:42,678 INFO L87 Difference]: Start difference. First operand 178 states and 182 transitions. Second operand has 34 states, 33 states have (on average 3.9696969696969697) internal successors, (131), 32 states have internal predecessors, (131), 11 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-04-16 06:47:47,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:47:47,587 INFO L93 Difference]: Finished difference Result 206 states and 213 transitions. [2021-04-16 06:47:47,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-04-16 06:47:47,588 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 3.9696969696969697) internal successors, (131), 32 states have internal predecessors, (131), 11 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Word has length 177 [2021-04-16 06:47:47,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:47:47,589 INFO L225 Difference]: With dead ends: 206 [2021-04-16 06:47:47,589 INFO L226 Difference]: Without dead ends: 204 [2021-04-16 06:47:47,589 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 21 SyntacticMatches, 42 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 812 ImplicationChecksByTransitivity, 5259.3ms TimeCoverageRelationStatistics Valid=360, Invalid=2832, Unknown=0, NotChecked=0, Total=3192 [2021-04-16 06:47:47,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-04-16 06:47:47,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 186. [2021-04-16 06:47:47,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 161 states have (on average 1.0248447204968945) internal successors, (165), 161 states have internal predecessors, (165), 13 states have call successors, (13), 13 states have call predecessors, (13), 11 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2021-04-16 06:47:47,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 190 transitions. [2021-04-16 06:47:47,641 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 190 transitions. Word has length 177 [2021-04-16 06:47:47,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:47:47,641 INFO L480 AbstractCegarLoop]: Abstraction has 186 states and 190 transitions. [2021-04-16 06:47:47,641 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 34 states, 33 states have (on average 3.9696969696969697) internal successors, (131), 32 states have internal predecessors, (131), 11 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-04-16 06:47:47,641 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 190 transitions. [2021-04-16 06:47:47,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-04-16 06:47:47,642 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:47:47,642 INFO L519 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:47:47,642 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-04-16 06:47:47,642 INFO L428 AbstractCegarLoop]: === Iteration 31 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:47:47,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:47:47,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1480744363, now seen corresponding path program 28 times [2021-04-16 06:47:47,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:47:47,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1475370842] [2021-04-16 06:47:47,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:47:47,648 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:47:47,649 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:47:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:49,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:49,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:49,214 INFO L142 QuantifierPusher]: treesize reduction 10, result has 78.3 percent of original size [2021-04-16 06:47:49,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-16 06:47:49,238 INFO L142 QuantifierPusher]: treesize reduction 13, result has 82.7 percent of original size [2021-04-16 06:47:49,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-04-16 06:47:49,305 INFO L142 QuantifierPusher]: treesize reduction 13, result has 82.7 percent of original size [2021-04-16 06:47:49,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-04-16 06:47:49,388 INFO L142 QuantifierPusher]: treesize reduction 13, result has 82.7 percent of original size [2021-04-16 06:47:49,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-04-16 06:47:49,448 INFO L142 QuantifierPusher]: treesize reduction 40, result has 60.8 percent of original size [2021-04-16 06:47:49,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-04-16 06:47:49,538 INFO L142 QuantifierPusher]: treesize reduction 55, result has 70.1 percent of original size [2021-04-16 06:47:49,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-04-16 06:47:49,556 INFO L142 QuantifierPusher]: treesize reduction 20, result has 81.7 percent of original size [2021-04-16 06:47:49,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-04-16 06:47:49,618 INFO L142 QuantifierPusher]: treesize reduction 20, result has 81.8 percent of original size [2021-04-16 06:47:49,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-04-16 06:47:49,699 INFO L142 QuantifierPusher]: treesize reduction 20, result has 81.8 percent of original size [2021-04-16 06:47:49,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-04-16 06:47:49,790 INFO L142 QuantifierPusher]: treesize reduction 20, result has 81.8 percent of original size [2021-04-16 06:47:49,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-04-16 06:47:49,863 INFO L142 QuantifierPusher]: treesize reduction 20, result has 81.8 percent of original size [2021-04-16 06:47:49,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-04-16 06:47:49,936 INFO L142 QuantifierPusher]: treesize reduction 21, result has 83.6 percent of original size [2021-04-16 06:47:49,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-04-16 06:47:50,051 INFO L142 QuantifierPusher]: treesize reduction 169, result has 39.4 percent of original size [2021-04-16 06:47:50,052 INFO L147 QuantifierPusher]: treesize reduction 9, result has 91.8 percent of original size 101 [2021-04-16 06:47:50,085 INFO L142 QuantifierPusher]: treesize reduction 14, result has 88.7 percent of original size [2021-04-16 06:47:50,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-04-16 06:47:50,211 INFO L142 QuantifierPusher]: treesize reduction 20, result has 79.2 percent of original size [2021-04-16 06:47:50,211 INFO L147 QuantifierPusher]: treesize reduction 11, result has 85.5 percent of original size 65 [2021-04-16 06:47:50,274 INFO L142 QuantifierPusher]: treesize reduction 45, result has 70.8 percent of original size [2021-04-16 06:47:50,275 INFO L147 QuantifierPusher]: treesize reduction 11, result has 89.9 percent of original size 98 [2021-04-16 06:47:50,372 INFO L142 QuantifierPusher]: treesize reduction 21, result has 88.1 percent of original size [2021-04-16 06:47:50,373 INFO L147 QuantifierPusher]: treesize reduction 11, result has 92.9 percent of original size 144 [2021-04-16 06:47:50,419 INFO L142 QuantifierPusher]: treesize reduction 62, result has 61.0 percent of original size [2021-04-16 06:47:50,420 INFO L147 QuantifierPusher]: treesize reduction 11, result has 88.7 percent of original size 86 [2021-04-16 06:47:50,499 INFO L142 QuantifierPusher]: treesize reduction 62, result has 61.0 percent of original size [2021-04-16 06:47:50,499 INFO L147 QuantifierPusher]: treesize reduction 11, result has 88.7 percent of original size 86 [2021-04-16 06:47:50,501 INFO L142 QuantifierPusher]: treesize reduction 62, result has 61.0 percent of original size [2021-04-16 06:47:50,501 INFO L147 QuantifierPusher]: treesize reduction 11, result has 88.7 percent of original size 86 [2021-04-16 06:47:50,580 INFO L142 QuantifierPusher]: treesize reduction 62, result has 61.0 percent of original size [2021-04-16 06:47:50,581 INFO L147 QuantifierPusher]: treesize reduction 11, result has 88.7 percent of original size 86 [2021-04-16 06:47:50,582 INFO L142 QuantifierPusher]: treesize reduction 62, result has 61.0 percent of original size [2021-04-16 06:47:50,583 INFO L147 QuantifierPusher]: treesize reduction 11, result has 88.7 percent of original size 86 [2021-04-16 06:47:50,677 INFO L142 QuantifierPusher]: treesize reduction 62, result has 61.0 percent of original size [2021-04-16 06:47:50,678 INFO L147 QuantifierPusher]: treesize reduction 11, result has 88.7 percent of original size 86 [2021-04-16 06:47:50,681 INFO L142 QuantifierPusher]: treesize reduction 106, result has 69.2 percent of original size [2021-04-16 06:47:50,683 INFO L147 QuantifierPusher]: treesize reduction 11, result has 95.4 percent of original size 227 [2021-04-16 06:47:50,805 INFO L142 QuantifierPusher]: treesize reduction 62, result has 71.9 percent of original size [2021-04-16 06:47:50,807 INFO L147 QuantifierPusher]: treesize reduction 18, result has 88.7 percent of original size 141 [2021-04-16 06:47:50,853 INFO L142 QuantifierPusher]: treesize reduction 41, result has 76.4 percent of original size [2021-04-16 06:47:50,854 INFO L147 QuantifierPusher]: treesize reduction 11, result has 91.7 percent of original size 122 [2021-04-16 06:47:50,948 INFO L142 QuantifierPusher]: treesize reduction 41, result has 76.4 percent of original size [2021-04-16 06:47:50,949 INFO L147 QuantifierPusher]: treesize reduction 11, result has 91.7 percent of original size 122 [2021-04-16 06:47:50,951 INFO L142 QuantifierPusher]: treesize reduction 41, result has 76.4 percent of original size [2021-04-16 06:47:50,952 INFO L147 QuantifierPusher]: treesize reduction 11, result has 91.7 percent of original size 122 [2021-04-16 06:47:51,060 INFO L142 QuantifierPusher]: treesize reduction 41, result has 76.4 percent of original size [2021-04-16 06:47:51,061 INFO L147 QuantifierPusher]: treesize reduction 11, result has 91.7 percent of original size 122 [2021-04-16 06:47:51,063 INFO L142 QuantifierPusher]: treesize reduction 41, result has 76.4 percent of original size [2021-04-16 06:47:51,064 INFO L147 QuantifierPusher]: treesize reduction 11, result has 91.7 percent of original size 122 [2021-04-16 06:47:51,164 INFO L142 QuantifierPusher]: treesize reduction 41, result has 76.4 percent of original size [2021-04-16 06:47:51,165 INFO L147 QuantifierPusher]: treesize reduction 11, result has 91.7 percent of original size 122 [2021-04-16 06:47:51,167 INFO L142 QuantifierPusher]: treesize reduction 62, result has 72.6 percent of original size [2021-04-16 06:47:51,168 INFO L147 QuantifierPusher]: treesize reduction 11, result has 93.3 percent of original size 153 [2021-04-16 06:47:51,323 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 31 [2021-04-16 06:47:51,325 INFO L142 QuantifierPusher]: treesize reduction 73, result has 67.4 percent of original size [2021-04-16 06:47:51,326 INFO L147 QuantifierPusher]: treesize reduction 11, result has 92.7 percent of original size 140 [2021-04-16 06:47:51,373 INFO L142 QuantifierPusher]: treesize reduction 41, result has 76.0 percent of original size [2021-04-16 06:47:51,375 INFO L147 QuantifierPusher]: treesize reduction 11, result has 91.5 percent of original size 119 [2021-04-16 06:47:51,461 INFO L142 QuantifierPusher]: treesize reduction 41, result has 76.0 percent of original size [2021-04-16 06:47:51,462 INFO L147 QuantifierPusher]: treesize reduction 11, result has 91.5 percent of original size 119 [2021-04-16 06:47:51,465 INFO L142 QuantifierPusher]: treesize reduction 32, result has 93.2 percent of original size [2021-04-16 06:47:51,467 INFO L147 QuantifierPusher]: treesize reduction 11, result has 97.5 percent of original size 431 [2021-04-16 06:47:51,732 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 62 [2021-04-16 06:47:51,735 INFO L142 QuantifierPusher]: treesize reduction 50, result has 84.7 percent of original size [2021-04-16 06:47:51,737 INFO L147 QuantifierPusher]: treesize reduction 69, result has 75.1 percent of original size 208 [2021-04-16 06:47:51,915 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 43 [2021-04-16 06:47:51,917 INFO L142 QuantifierPusher]: treesize reduction 38, result has 77.2 percent of original size [2021-04-16 06:47:51,918 INFO L147 QuantifierPusher]: treesize reduction 11, result has 91.5 percent of original size 118 [2021-04-16 06:47:51,953 INFO L142 QuantifierPusher]: treesize reduction 38, result has 77.6 percent of original size [2021-04-16 06:47:51,954 INFO L147 QuantifierPusher]: treesize reduction 11, result has 91.7 percent of original size 121 [2021-04-16 06:47:51,991 INFO L142 QuantifierPusher]: treesize reduction 38, result has 77.6 percent of original size [2021-04-16 06:47:51,992 INFO L147 QuantifierPusher]: treesize reduction 11, result has 91.7 percent of original size 121 [2021-04-16 06:47:52,032 INFO L142 QuantifierPusher]: treesize reduction 46, result has 85.8 percent of original size [2021-04-16 06:47:52,034 INFO L147 QuantifierPusher]: treesize reduction 11, result has 96.0 percent of original size 266 [2021-04-16 06:47:52,183 INFO L142 QuantifierPusher]: treesize reduction 46, result has 85.8 percent of original size [2021-04-16 06:47:52,185 INFO L147 QuantifierPusher]: treesize reduction 11, result has 96.0 percent of original size 266 [2021-04-16 06:47:52,188 INFO L142 QuantifierPusher]: treesize reduction 46, result has 85.8 percent of original size [2021-04-16 06:47:52,189 INFO L147 QuantifierPusher]: treesize reduction 11, result has 96.0 percent of original size 266 [2021-04-16 06:47:52,340 INFO L142 QuantifierPusher]: treesize reduction 46, result has 85.8 percent of original size [2021-04-16 06:47:52,342 INFO L147 QuantifierPusher]: treesize reduction 11, result has 96.0 percent of original size 266 [2021-04-16 06:47:52,344 INFO L142 QuantifierPusher]: treesize reduction 46, result has 85.8 percent of original size [2021-04-16 06:47:52,346 INFO L147 QuantifierPusher]: treesize reduction 11, result has 96.0 percent of original size 266 [2021-04-16 06:47:52,508 INFO L142 QuantifierPusher]: treesize reduction 46, result has 85.8 percent of original size [2021-04-16 06:47:52,510 INFO L147 QuantifierPusher]: treesize reduction 11, result has 96.0 percent of original size 266 [2021-04-16 06:47:52,513 INFO L142 QuantifierPusher]: treesize reduction 53, result has 84.3 percent of original size [2021-04-16 06:47:52,515 INFO L147 QuantifierPusher]: treesize reduction 11, result has 96.1 percent of original size 274 [2021-04-16 06:47:52,705 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 36 [2021-04-16 06:47:52,707 INFO L142 QuantifierPusher]: treesize reduction 60, result has 82.0 percent of original size [2021-04-16 06:47:52,709 INFO L147 QuantifierPusher]: treesize reduction 11, result has 96.0 percent of original size 263 [2021-04-16 06:47:52,787 INFO L142 QuantifierPusher]: treesize reduction 52, result has 82.6 percent of original size [2021-04-16 06:47:52,789 INFO L147 QuantifierPusher]: treesize reduction 11, result has 95.5 percent of original size 236 [2021-04-16 06:47:52,937 INFO L142 QuantifierPusher]: treesize reduction 52, result has 82.6 percent of original size [2021-04-16 06:47:52,939 INFO L147 QuantifierPusher]: treesize reduction 11, result has 95.5 percent of original size 236 [2021-04-16 06:47:52,941 INFO L142 QuantifierPusher]: treesize reduction 52, result has 82.6 percent of original size [2021-04-16 06:47:52,943 INFO L147 QuantifierPusher]: treesize reduction 11, result has 95.5 percent of original size 236 [2021-04-16 06:47:53,108 INFO L142 QuantifierPusher]: treesize reduction 52, result has 82.6 percent of original size [2021-04-16 06:47:53,109 INFO L147 QuantifierPusher]: treesize reduction 11, result has 95.5 percent of original size 236 [2021-04-16 06:47:53,112 INFO L142 QuantifierPusher]: treesize reduction 52, result has 82.6 percent of original size [2021-04-16 06:47:53,114 INFO L147 QuantifierPusher]: treesize reduction 11, result has 95.5 percent of original size 236 [2021-04-16 06:47:53,271 INFO L142 QuantifierPusher]: treesize reduction 52, result has 82.6 percent of original size [2021-04-16 06:47:53,273 INFO L147 QuantifierPusher]: treesize reduction 11, result has 95.5 percent of original size 236 [2021-04-16 06:47:53,276 INFO L142 QuantifierPusher]: treesize reduction 52, result has 82.6 percent of original size [2021-04-16 06:47:53,277 INFO L147 QuantifierPusher]: treesize reduction 11, result has 95.5 percent of original size 236 [2021-04-16 06:47:53,462 INFO L142 QuantifierPusher]: treesize reduction 52, result has 82.6 percent of original size [2021-04-16 06:47:53,463 INFO L147 QuantifierPusher]: treesize reduction 11, result has 95.5 percent of original size 236 [2021-04-16 06:47:53,466 INFO L142 QuantifierPusher]: treesize reduction 52, result has 82.6 percent of original size [2021-04-16 06:47:53,467 INFO L147 QuantifierPusher]: treesize reduction 11, result has 95.5 percent of original size 236 [2021-04-16 06:47:53,620 INFO L142 QuantifierPusher]: treesize reduction 52, result has 82.6 percent of original size [2021-04-16 06:47:53,622 INFO L147 QuantifierPusher]: treesize reduction 11, result has 95.5 percent of original size 236 [2021-04-16 06:47:53,628 INFO L142 QuantifierPusher]: treesize reduction 70, result has 90.8 percent of original size [2021-04-16 06:47:53,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 688 [2021-04-16 06:47:53,853 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 53 [2021-04-16 06:47:53,859 INFO L142 QuantifierPusher]: treesize reduction 82, result has 77.3 percent of original size [2021-04-16 06:47:53,860 INFO L147 QuantifierPusher]: treesize reduction 19, result has 93.2 percent of original size 261 [2021-04-16 06:47:54,076 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 52 [2021-04-16 06:47:54,094 INFO L142 QuantifierPusher]: treesize reduction 59, result has 68.4 percent of original size [2021-04-16 06:47:54,095 INFO L147 QuantifierPusher]: treesize reduction 11, result has 91.4 percent of original size 117 [2021-04-16 06:47:54,230 INFO L142 QuantifierPusher]: treesize reduction 70, result has 63.2 percent of original size [2021-04-16 06:47:54,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-04-16 06:47:54,356 INFO L142 QuantifierPusher]: treesize reduction 63, result has 71.4 percent of original size [2021-04-16 06:47:54,358 INFO L147 QuantifierPusher]: treesize reduction 11, result has 93.0 percent of original size 146 [2021-04-16 06:47:54,512 INFO L142 QuantifierPusher]: treesize reduction 63, result has 71.4 percent of original size [2021-04-16 06:47:54,514 INFO L147 QuantifierPusher]: treesize reduction 11, result has 93.0 percent of original size 146 [2021-04-16 06:47:54,665 INFO L142 QuantifierPusher]: treesize reduction 63, result has 71.4 percent of original size [2021-04-16 06:47:54,667 INFO L147 QuantifierPusher]: treesize reduction 11, result has 93.0 percent of original size 146 [2021-04-16 06:47:54,831 INFO L142 QuantifierPusher]: treesize reduction 63, result has 71.4 percent of original size [2021-04-16 06:47:54,832 INFO L147 QuantifierPusher]: treesize reduction 11, result has 93.0 percent of original size 146 [2021-04-16 06:47:55,014 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 42 [2021-04-16 06:47:55,016 INFO L142 QuantifierPusher]: treesize reduction 63, result has 71.4 percent of original size [2021-04-16 06:47:55,033 INFO L147 QuantifierPusher]: treesize reduction 11, result has 93.0 percent of original size 146 [2021-04-16 06:47:55,220 INFO L142 QuantifierPusher]: treesize reduction 74, result has 66.4 percent of original size [2021-04-16 06:47:55,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-04-16 06:47:55,376 INFO L142 QuantifierPusher]: treesize reduction 71, result has 70.3 percent of original size [2021-04-16 06:47:55,378 INFO L147 QuantifierPusher]: treesize reduction 11, result has 93.5 percent of original size 157 [2021-04-16 06:47:55,546 INFO L142 QuantifierPusher]: treesize reduction 75, result has 68.1 percent of original size [2021-04-16 06:47:55,548 INFO L147 QuantifierPusher]: treesize reduction 11, result has 93.1 percent of original size 149 [2021-04-16 06:47:55,629 INFO L142 QuantifierPusher]: treesize reduction 75, result has 65.3 percent of original size [2021-04-16 06:47:55,630 INFO L147 QuantifierPusher]: treesize reduction 11, result has 92.2 percent of original size 130 [2021-04-16 06:47:55,782 INFO L142 QuantifierPusher]: treesize reduction 75, result has 65.3 percent of original size [2021-04-16 06:47:55,784 INFO L147 QuantifierPusher]: treesize reduction 11, result has 92.2 percent of original size 130 [2021-04-16 06:47:55,934 INFO L142 QuantifierPusher]: treesize reduction 82, result has 84.7 percent of original size [2021-04-16 06:47:55,936 INFO L147 QuantifierPusher]: treesize reduction 11, result has 97.6 percent of original size 442 [2021-04-16 06:47:56,216 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 50 [2021-04-16 06:47:56,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:56,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 06:47:56,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:56,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:47:56,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:56,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:47:56,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:56,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:56,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:47:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:56,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:56,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:56,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-04-16 06:47:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:56,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:56,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:56,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-04-16 06:47:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:56,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:56,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:56,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-04-16 06:47:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:56,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:56,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:56,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-04-16 06:47:56,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:56,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:56,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:56,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-04-16 06:47:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:56,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:56,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:56,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-04-16 06:47:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:56,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:56,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:56,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-04-16 06:47:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:56,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:56,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:56,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-04-16 06:47:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:56,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:56,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:56,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-04-16 06:47:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:56,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:56,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:56,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-04-16 06:47:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:47:56,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:47:56,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:47:56,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:47:56,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1475370842] [2021-04-16 06:47:56,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:47:56,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [54] imperfect sequences [] total 54 [2021-04-16 06:47:56,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364180829] [2021-04-16 06:47:56,526 INFO L460 AbstractCegarLoop]: Interpolant automaton has 54 states [2021-04-16 06:47:56,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:47:56,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-04-16 06:47:56,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=2660, Unknown=0, NotChecked=0, Total=2862 [2021-04-16 06:47:56,527 INFO L87 Difference]: Start difference. First operand 186 states and 190 transitions. Second operand has 54 states, 53 states have (on average 2.5283018867924527) internal successors, (134), 52 states have internal predecessors, (134), 12 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-04-16 06:48:00,426 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 56 [2021-04-16 06:48:03,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:48:03,255 INFO L93 Difference]: Finished difference Result 302 states and 319 transitions. [2021-04-16 06:48:03,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-04-16 06:48:03,257 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 53 states have (on average 2.5283018867924527) internal successors, (134), 52 states have internal predecessors, (134), 12 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Word has length 185 [2021-04-16 06:48:03,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:48:03,258 INFO L225 Difference]: With dead ends: 302 [2021-04-16 06:48:03,258 INFO L226 Difference]: Without dead ends: 191 [2021-04-16 06:48:03,259 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 38 SyntacticMatches, 10 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1994 ImplicationChecksByTransitivity, 9421.4ms TimeCoverageRelationStatistics Valid=426, Invalid=6054, Unknown=0, NotChecked=0, Total=6480 [2021-04-16 06:48:03,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-04-16 06:48:03,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 189. [2021-04-16 06:48:03,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 164 states have (on average 1.024390243902439) internal successors, (168), 164 states have internal predecessors, (168), 13 states have call successors, (13), 13 states have call predecessors, (13), 11 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2021-04-16 06:48:03,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 193 transitions. [2021-04-16 06:48:03,307 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 193 transitions. Word has length 185 [2021-04-16 06:48:03,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:48:03,307 INFO L480 AbstractCegarLoop]: Abstraction has 189 states and 193 transitions. [2021-04-16 06:48:03,307 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 54 states, 53 states have (on average 2.5283018867924527) internal successors, (134), 52 states have internal predecessors, (134), 12 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-04-16 06:48:03,307 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 193 transitions. [2021-04-16 06:48:03,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-04-16 06:48:03,308 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:48:03,308 INFO L519 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:48:03,308 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-04-16 06:48:03,308 INFO L428 AbstractCegarLoop]: === Iteration 32 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:48:03,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:48:03,308 INFO L82 PathProgramCache]: Analyzing trace with hash 709869572, now seen corresponding path program 29 times [2021-04-16 06:48:03,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:48:03,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1314965752] [2021-04-16 06:48:03,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:48:03,314 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:48:03,315 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:48:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:03,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:03,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:03,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:03,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 06:48:03,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:03,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:48:03,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:03,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:48:03,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:03,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:48:03,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:03,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:48:03,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:03,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:48:03,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:03,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:48:03,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:03,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:48:03,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:03,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:48:03,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:03,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:48:03,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:03,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:48:03,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:03,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:48:03,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:03,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-16 06:48:03,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:03,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 06:48:03,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:03,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-16 06:48:03,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:03,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:48:03,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:03,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:48:03,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:03,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:48:03,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:03,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:48:03,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:03,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:48:03,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:03,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:48:03,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:03,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:48:03,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:03,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:48:04,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:04,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:48:04,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:04,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:48:04,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:04,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-16 06:48:04,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:04,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:04,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:48:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:04,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:04,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:04,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-04-16 06:48:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:04,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:04,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:04,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-04-16 06:48:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:04,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:04,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:04,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-04-16 06:48:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:04,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:04,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:04,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-04-16 06:48:04,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:04,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:04,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:04,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-04-16 06:48:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:04,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:04,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:04,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-04-16 06:48:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:04,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:04,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:04,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-04-16 06:48:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:04,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:04,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:04,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-04-16 06:48:04,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:04,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:04,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:04,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-04-16 06:48:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:04,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:04,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:04,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-04-16 06:48:04,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:04,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:04,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:04,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:48:04,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1314965752] [2021-04-16 06:48:04,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:48:04,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-04-16 06:48:04,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655455991] [2021-04-16 06:48:04,252 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-04-16 06:48:04,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:48:04,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-04-16 06:48:04,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=742, Unknown=0, NotChecked=0, Total=812 [2021-04-16 06:48:04,253 INFO L87 Difference]: Start difference. First operand 189 states and 193 transitions. Second operand has 29 states, 29 states have (on average 3.0689655172413794) internal successors, (89), 28 states have internal predecessors, (89), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-04-16 06:48:08,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:48:08,487 INFO L93 Difference]: Finished difference Result 320 states and 330 transitions. [2021-04-16 06:48:08,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-04-16 06:48:08,488 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.0689655172413794) internal successors, (89), 28 states have internal predecessors, (89), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 188 [2021-04-16 06:48:08,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:48:08,489 INFO L225 Difference]: With dead ends: 320 [2021-04-16 06:48:08,489 INFO L226 Difference]: Without dead ends: 209 [2021-04-16 06:48:08,490 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 1953.2ms TimeCoverageRelationStatistics Valid=263, Invalid=2389, Unknown=0, NotChecked=0, Total=2652 [2021-04-16 06:48:08,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2021-04-16 06:48:08,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 194. [2021-04-16 06:48:08,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 169 states have (on average 1.0236686390532543) internal successors, (173), 169 states have internal predecessors, (173), 13 states have call successors, (13), 13 states have call predecessors, (13), 11 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2021-04-16 06:48:08,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 198 transitions. [2021-04-16 06:48:08,543 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 198 transitions. Word has length 188 [2021-04-16 06:48:08,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:48:08,543 INFO L480 AbstractCegarLoop]: Abstraction has 194 states and 198 transitions. [2021-04-16 06:48:08,543 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.0689655172413794) internal successors, (89), 28 states have internal predecessors, (89), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-04-16 06:48:08,543 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 198 transitions. [2021-04-16 06:48:08,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-04-16 06:48:08,544 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:48:08,544 INFO L519 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:48:08,544 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-04-16 06:48:08,544 INFO L428 AbstractCegarLoop]: === Iteration 33 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:48:08,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:48:08,545 INFO L82 PathProgramCache]: Analyzing trace with hash -5566877, now seen corresponding path program 30 times [2021-04-16 06:48:08,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:48:08,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [920383786] [2021-04-16 06:48:08,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:48:08,550 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:48:08,551 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:48:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:09,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:09,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:09,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:09,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-16 06:48:09,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:09,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-16 06:48:09,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:09,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-16 06:48:09,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:09,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-16 06:48:09,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:09,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-16 06:48:09,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:09,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-16 06:48:09,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:09,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-16 06:48:09,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:09,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-16 06:48:09,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:09,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-16 06:48:09,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:09,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-16 06:48:09,323 INFO L142 QuantifierPusher]: treesize reduction 14, result has 78.5 percent of original size [2021-04-16 06:48:09,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-16 06:48:09,395 INFO L142 QuantifierPusher]: treesize reduction 62, result has 46.6 percent of original size [2021-04-16 06:48:09,396 INFO L147 QuantifierPusher]: treesize reduction 9, result has 83.3 percent of original size 45 [2021-04-16 06:48:09,424 INFO L142 QuantifierPusher]: treesize reduction 11, result has 82.0 percent of original size [2021-04-16 06:48:09,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-04-16 06:48:09,489 INFO L142 QuantifierPusher]: treesize reduction 24, result has 79.5 percent of original size [2021-04-16 06:48:09,490 INFO L147 QuantifierPusher]: treesize reduction 9, result has 90.3 percent of original size 84 [2021-04-16 06:48:09,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:09,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:48:09,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:09,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-16 06:48:09,548 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-04-16 06:48:09,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-16 06:48:09,553 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-04-16 06:48:09,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-16 06:48:09,560 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-04-16 06:48:09,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-16 06:48:09,568 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-04-16 06:48:09,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-16 06:48:09,578 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-04-16 06:48:09,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-16 06:48:09,589 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-04-16 06:48:09,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-16 06:48:09,600 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-04-16 06:48:09,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-16 06:48:09,613 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-04-16 06:48:09,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-16 06:48:09,627 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-04-16 06:48:09,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-16 06:48:09,643 INFO L142 QuantifierPusher]: treesize reduction 23, result has 95.0 percent of original size [2021-04-16 06:48:09,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 439 [2021-04-16 06:48:09,697 INFO L142 QuantifierPusher]: treesize reduction 51, result has 87.1 percent of original size [2021-04-16 06:48:09,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 344 [2021-04-16 06:48:09,849 INFO L142 QuantifierPusher]: treesize reduction 4, result has 98.5 percent of original size [2021-04-16 06:48:09,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 264 [2021-04-16 06:48:10,043 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 40 [2021-04-16 06:48:10,045 INFO L142 QuantifierPusher]: treesize reduction 40, result has 60.8 percent of original size [2021-04-16 06:48:10,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-04-16 06:48:10,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:10,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-04-16 06:48:10,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:10,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-04-16 06:48:10,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:10,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-04-16 06:48:10,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:10,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-04-16 06:48:10,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:10,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-04-16 06:48:10,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:10,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-04-16 06:48:10,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:10,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-04-16 06:48:10,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:10,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-04-16 06:48:10,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:10,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-04-16 06:48:10,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:10,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-04-16 06:48:10,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:10,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-04-16 06:48:10,976 INFO L142 QuantifierPusher]: treesize reduction 9, result has 97.9 percent of original size [2021-04-16 06:48:10,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 427 [2021-04-16 06:48:11,235 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 42 [2021-04-16 06:48:11,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:11,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 06:48:11,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:11,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:48:11,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:11,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:48:11,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:11,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:11,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:48:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:11,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:11,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:11,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-04-16 06:48:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:11,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:11,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:11,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-04-16 06:48:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:11,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:11,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:11,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-04-16 06:48:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:11,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:11,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:11,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-04-16 06:48:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:11,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:11,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:11,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-04-16 06:48:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:11,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:11,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:11,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-04-16 06:48:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:11,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:11,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:11,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-04-16 06:48:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:11,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:11,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:11,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-04-16 06:48:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:11,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:11,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:11,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-04-16 06:48:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:11,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:11,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:11,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-04-16 06:48:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:11,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:11,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:11,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:48:11,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [920383786] [2021-04-16 06:48:11,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:48:11,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2021-04-16 06:48:11,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696124274] [2021-04-16 06:48:11,434 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-04-16 06:48:11,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:48:11,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-04-16 06:48:11,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=931, Unknown=0, NotChecked=0, Total=1056 [2021-04-16 06:48:11,435 INFO L87 Difference]: Start difference. First operand 194 states and 198 transitions. Second operand has 33 states, 32 states have (on average 3.40625) internal successors, (109), 31 states have internal predecessors, (109), 12 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-04-16 06:48:16,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:48:16,111 INFO L93 Difference]: Finished difference Result 215 states and 220 transitions. [2021-04-16 06:48:16,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-04-16 06:48:16,113 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 3.40625) internal successors, (109), 31 states have internal predecessors, (109), 12 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Word has length 193 [2021-04-16 06:48:16,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:48:16,113 INFO L225 Difference]: With dead ends: 215 [2021-04-16 06:48:16,114 INFO L226 Difference]: Without dead ends: 213 [2021-04-16 06:48:16,114 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 25 SyntacticMatches, 12 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 495 ImplicationChecksByTransitivity, 3054.9ms TimeCoverageRelationStatistics Valid=205, Invalid=2051, Unknown=0, NotChecked=0, Total=2256 [2021-04-16 06:48:16,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2021-04-16 06:48:16,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 202. [2021-04-16 06:48:16,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 175 states have (on average 1.022857142857143) internal successors, (179), 175 states have internal predecessors, (179), 14 states have call successors, (14), 14 states have call predecessors, (14), 12 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2021-04-16 06:48:16,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 206 transitions. [2021-04-16 06:48:16,168 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 206 transitions. Word has length 193 [2021-04-16 06:48:16,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:48:16,168 INFO L480 AbstractCegarLoop]: Abstraction has 202 states and 206 transitions. [2021-04-16 06:48:16,168 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 33 states, 32 states have (on average 3.40625) internal successors, (109), 31 states have internal predecessors, (109), 12 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-04-16 06:48:16,168 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 206 transitions. [2021-04-16 06:48:16,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-04-16 06:48:16,169 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:48:16,169 INFO L519 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:48:16,169 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-04-16 06:48:16,169 INFO L428 AbstractCegarLoop]: === Iteration 34 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:48:16,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:48:16,169 INFO L82 PathProgramCache]: Analyzing trace with hash 2130342205, now seen corresponding path program 31 times [2021-04-16 06:48:16,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:48:16,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1464200297] [2021-04-16 06:48:16,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:48:16,176 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:48:16,177 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:48:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:17,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:17,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:17,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:17,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-16 06:48:17,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:17,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-16 06:48:17,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:17,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-16 06:48:17,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:17,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-16 06:48:17,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:17,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-16 06:48:17,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:17,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-16 06:48:17,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:17,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-16 06:48:17,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:17,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-16 06:48:17,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:17,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-16 06:48:17,818 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.4 percent of original size [2021-04-16 06:48:17,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-04-16 06:48:17,936 INFO L142 QuantifierPusher]: treesize reduction 80, result has 45.9 percent of original size [2021-04-16 06:48:17,937 INFO L147 QuantifierPusher]: treesize reduction 9, result has 86.8 percent of original size 59 [2021-04-16 06:48:17,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:17,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-16 06:48:18,015 INFO L142 QuantifierPusher]: treesize reduction 17, result has 79.8 percent of original size [2021-04-16 06:48:18,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-04-16 06:48:18,110 INFO L142 QuantifierPusher]: treesize reduction 95, result has 44.1 percent of original size [2021-04-16 06:48:18,111 INFO L147 QuantifierPusher]: treesize reduction 9, result has 88.0 percent of original size 66 [2021-04-16 06:48:18,202 INFO L142 QuantifierPusher]: treesize reduction 23, result has 74.4 percent of original size [2021-04-16 06:48:18,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-04-16 06:48:18,308 INFO L142 QuantifierPusher]: treesize reduction 52, result has 51.4 percent of original size [2021-04-16 06:48:18,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-16 06:48:18,383 INFO L142 QuantifierPusher]: treesize reduction 52, result has 52.7 percent of original size [2021-04-16 06:48:18,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-04-16 06:48:18,477 INFO L142 QuantifierPusher]: treesize reduction 52, result has 52.7 percent of original size [2021-04-16 06:48:18,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-04-16 06:48:18,479 INFO L142 QuantifierPusher]: treesize reduction 118, result has 44.3 percent of original size [2021-04-16 06:48:18,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-04-16 06:48:18,595 INFO L142 QuantifierPusher]: treesize reduction 118, result has 44.3 percent of original size [2021-04-16 06:48:18,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-04-16 06:48:18,598 INFO L142 QuantifierPusher]: treesize reduction 95, result has 55.2 percent of original size [2021-04-16 06:48:18,599 INFO L147 QuantifierPusher]: treesize reduction 23, result has 80.3 percent of original size 94 [2021-04-16 06:48:18,717 INFO L142 QuantifierPusher]: treesize reduction 95, result has 55.2 percent of original size [2021-04-16 06:48:18,718 INFO L147 QuantifierPusher]: treesize reduction 23, result has 80.3 percent of original size 94 [2021-04-16 06:48:18,720 INFO L142 QuantifierPusher]: treesize reduction 118, result has 44.3 percent of original size [2021-04-16 06:48:18,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-04-16 06:48:18,835 INFO L142 QuantifierPusher]: treesize reduction 118, result has 44.3 percent of original size [2021-04-16 06:48:18,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-04-16 06:48:18,837 INFO L142 QuantifierPusher]: treesize reduction 118, result has 44.3 percent of original size [2021-04-16 06:48:18,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-04-16 06:48:18,962 INFO L142 QuantifierPusher]: treesize reduction 118, result has 44.3 percent of original size [2021-04-16 06:48:18,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-04-16 06:48:18,965 INFO L142 QuantifierPusher]: treesize reduction 95, result has 55.2 percent of original size [2021-04-16 06:48:18,966 INFO L147 QuantifierPusher]: treesize reduction 23, result has 80.3 percent of original size 94 [2021-04-16 06:48:19,092 INFO L142 QuantifierPusher]: treesize reduction 95, result has 55.2 percent of original size [2021-04-16 06:48:19,093 INFO L147 QuantifierPusher]: treesize reduction 23, result has 80.3 percent of original size 94 [2021-04-16 06:48:19,094 INFO L142 QuantifierPusher]: treesize reduction 118, result has 44.3 percent of original size [2021-04-16 06:48:19,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-04-16 06:48:19,209 INFO L142 QuantifierPusher]: treesize reduction 118, result has 44.3 percent of original size [2021-04-16 06:48:19,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-04-16 06:48:19,211 INFO L142 QuantifierPusher]: treesize reduction 95, result has 55.2 percent of original size [2021-04-16 06:48:19,212 INFO L147 QuantifierPusher]: treesize reduction 23, result has 80.3 percent of original size 94 [2021-04-16 06:48:19,337 INFO L142 QuantifierPusher]: treesize reduction 95, result has 55.2 percent of original size [2021-04-16 06:48:19,338 INFO L147 QuantifierPusher]: treesize reduction 23, result has 80.3 percent of original size 94 [2021-04-16 06:48:19,340 INFO L142 QuantifierPusher]: treesize reduction 118, result has 44.3 percent of original size [2021-04-16 06:48:19,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-04-16 06:48:19,463 INFO L142 QuantifierPusher]: treesize reduction 118, result has 44.3 percent of original size [2021-04-16 06:48:19,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-04-16 06:48:19,466 INFO L142 QuantifierPusher]: treesize reduction 82, result has 81.0 percent of original size [2021-04-16 06:48:19,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 350 [2021-04-16 06:48:19,702 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 35 [2021-04-16 06:48:19,704 INFO L142 QuantifierPusher]: treesize reduction 83, result has 64.7 percent of original size [2021-04-16 06:48:19,706 INFO L147 QuantifierPusher]: treesize reduction 33, result has 78.3 percent of original size 119 [2021-04-16 06:48:19,797 INFO L142 QuantifierPusher]: treesize reduction 95, result has 54.3 percent of original size [2021-04-16 06:48:19,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-04-16 06:48:19,982 INFO L142 QuantifierPusher]: treesize reduction 95, result has 54.3 percent of original size [2021-04-16 06:48:19,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-04-16 06:48:19,986 INFO L142 QuantifierPusher]: treesize reduction 103, result has 68.8 percent of original size [2021-04-16 06:48:19,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 227 [2021-04-16 06:48:20,239 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 43 [2021-04-16 06:48:20,242 INFO L142 QuantifierPusher]: treesize reduction 157, result has 47.5 percent of original size [2021-04-16 06:48:20,243 INFO L147 QuantifierPusher]: treesize reduction 9, result has 93.7 percent of original size 133 [2021-04-16 06:48:20,335 INFO L142 QuantifierPusher]: treesize reduction 89, result has 42.9 percent of original size [2021-04-16 06:48:20,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-04-16 06:48:20,376 INFO L142 QuantifierPusher]: treesize reduction 89, result has 44.0 percent of original size [2021-04-16 06:48:20,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-04-16 06:48:20,421 INFO L142 QuantifierPusher]: treesize reduction 89, result has 44.0 percent of original size [2021-04-16 06:48:20,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-04-16 06:48:20,470 INFO L142 QuantifierPusher]: treesize reduction 73, result has 80.1 percent of original size [2021-04-16 06:48:20,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 293 [2021-04-16 06:48:20,547 INFO L142 QuantifierPusher]: treesize reduction 73, result has 80.1 percent of original size [2021-04-16 06:48:20,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 293 [2021-04-16 06:48:20,622 INFO L142 QuantifierPusher]: treesize reduction 73, result has 80.1 percent of original size [2021-04-16 06:48:20,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 293 [2021-04-16 06:48:20,708 INFO L142 QuantifierPusher]: treesize reduction 73, result has 80.1 percent of original size [2021-04-16 06:48:20,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 293 [2021-04-16 06:48:20,788 INFO L142 QuantifierPusher]: treesize reduction 73, result has 80.1 percent of original size [2021-04-16 06:48:20,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 293 [2021-04-16 06:48:20,863 INFO L142 QuantifierPusher]: treesize reduction 73, result has 80.1 percent of original size [2021-04-16 06:48:20,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 293 [2021-04-16 06:48:20,939 INFO L142 QuantifierPusher]: treesize reduction 73, result has 80.1 percent of original size [2021-04-16 06:48:20,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 293 [2021-04-16 06:48:21,017 INFO L142 QuantifierPusher]: treesize reduction 73, result has 80.1 percent of original size [2021-04-16 06:48:21,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 293 [2021-04-16 06:48:21,098 INFO L142 QuantifierPusher]: treesize reduction 73, result has 80.1 percent of original size [2021-04-16 06:48:21,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 293 [2021-04-16 06:48:21,185 INFO L142 QuantifierPusher]: treesize reduction 73, result has 80.1 percent of original size [2021-04-16 06:48:21,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 293 [2021-04-16 06:48:21,272 INFO L142 QuantifierPusher]: treesize reduction 73, result has 80.1 percent of original size [2021-04-16 06:48:21,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 293 [2021-04-16 06:48:21,360 INFO L142 QuantifierPusher]: treesize reduction 73, result has 80.1 percent of original size [2021-04-16 06:48:21,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 293 [2021-04-16 06:48:21,450 INFO L142 QuantifierPusher]: treesize reduction 73, result has 80.1 percent of original size [2021-04-16 06:48:21,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 293 [2021-04-16 06:48:21,543 INFO L142 QuantifierPusher]: treesize reduction 73, result has 80.1 percent of original size [2021-04-16 06:48:21,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 293 [2021-04-16 06:48:21,633 INFO L142 QuantifierPusher]: treesize reduction 73, result has 80.1 percent of original size [2021-04-16 06:48:21,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 293 [2021-04-16 06:48:21,730 INFO L142 QuantifierPusher]: treesize reduction 73, result has 80.1 percent of original size [2021-04-16 06:48:21,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 293 [2021-04-16 06:48:21,827 INFO L142 QuantifierPusher]: treesize reduction 73, result has 80.1 percent of original size [2021-04-16 06:48:21,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 293 [2021-04-16 06:48:21,926 INFO L142 QuantifierPusher]: treesize reduction 73, result has 80.1 percent of original size [2021-04-16 06:48:21,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 293 [2021-04-16 06:48:22,026 INFO L142 QuantifierPusher]: treesize reduction 73, result has 80.1 percent of original size [2021-04-16 06:48:22,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 293 [2021-04-16 06:48:22,128 INFO L142 QuantifierPusher]: treesize reduction 73, result has 80.1 percent of original size [2021-04-16 06:48:22,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 293 [2021-04-16 06:48:22,235 INFO L142 QuantifierPusher]: treesize reduction 31, result has 95.1 percent of original size [2021-04-16 06:48:22,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 607 [2021-04-16 06:48:22,546 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 60 [2021-04-16 06:48:22,549 INFO L142 QuantifierPusher]: treesize reduction 59, result has 79.3 percent of original size [2021-04-16 06:48:22,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 226 [2021-04-16 06:48:22,777 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 54 [2021-04-16 06:48:22,779 INFO L142 QuantifierPusher]: treesize reduction 34, result has 77.5 percent of original size [2021-04-16 06:48:22,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 117 [2021-04-16 06:48:22,929 INFO L142 QuantifierPusher]: treesize reduction 34, result has 77.9 percent of original size [2021-04-16 06:48:22,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-04-16 06:48:23,112 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 48 [2021-04-16 06:48:23,115 INFO L142 QuantifierPusher]: treesize reduction 40, result has 77.8 percent of original size [2021-04-16 06:48:23,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-04-16 06:48:23,346 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2021-04-16 06:48:23,349 INFO L142 QuantifierPusher]: treesize reduction 40, result has 78.7 percent of original size [2021-04-16 06:48:23,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-04-16 06:48:23,568 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 54 [2021-04-16 06:48:23,571 INFO L142 QuantifierPusher]: treesize reduction 40, result has 77.8 percent of original size [2021-04-16 06:48:23,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-04-16 06:48:23,574 INFO L142 QuantifierPusher]: treesize reduction 40, result has 77.8 percent of original size [2021-04-16 06:48:23,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-04-16 06:48:23,804 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 46 [2021-04-16 06:48:23,807 INFO L142 QuantifierPusher]: treesize reduction 40, result has 77.8 percent of original size [2021-04-16 06:48:23,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-04-16 06:48:24,047 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 46 [2021-04-16 06:48:24,049 INFO L142 QuantifierPusher]: treesize reduction 40, result has 77.8 percent of original size [2021-04-16 06:48:24,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-04-16 06:48:24,273 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 47 [2021-04-16 06:48:24,275 INFO L142 QuantifierPusher]: treesize reduction 40, result has 77.8 percent of original size [2021-04-16 06:48:24,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-04-16 06:48:24,482 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 48 [2021-04-16 06:48:24,484 INFO L142 QuantifierPusher]: treesize reduction 40, result has 77.8 percent of original size [2021-04-16 06:48:24,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-04-16 06:48:24,696 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2021-04-16 06:48:24,698 INFO L142 QuantifierPusher]: treesize reduction 40, result has 77.8 percent of original size [2021-04-16 06:48:24,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-04-16 06:48:24,901 INFO L142 QuantifierPusher]: treesize reduction 40, result has 77.8 percent of original size [2021-04-16 06:48:24,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-04-16 06:48:25,102 INFO L142 QuantifierPusher]: treesize reduction 40, result has 77.8 percent of original size [2021-04-16 06:48:25,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-04-16 06:48:25,315 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 46 [2021-04-16 06:48:25,318 INFO L142 QuantifierPusher]: treesize reduction 40, result has 77.8 percent of original size [2021-04-16 06:48:25,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-04-16 06:48:25,521 INFO L142 QuantifierPusher]: treesize reduction 19, result has 96.3 percent of original size [2021-04-16 06:48:25,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 498 [2021-04-16 06:48:25,987 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 55 [2021-04-16 06:48:25,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:25,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 06:48:26,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:26,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:48:26,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:26,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:48:26,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:26,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:26,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:48:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:26,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:26,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:26,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-04-16 06:48:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:26,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:26,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:26,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-04-16 06:48:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:26,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:26,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 06:48:26,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:26,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:48:26,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-04-16 06:48:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:26,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:26,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:26,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-04-16 06:48:26,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:26,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:26,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:26,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-04-16 06:48:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:26,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:26,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:26,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-04-16 06:48:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:26,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:26,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:26,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-04-16 06:48:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:26,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:26,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:26,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-04-16 06:48:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:26,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:26,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:26,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-04-16 06:48:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:26,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:26,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:26,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-04-16 06:48:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:26,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:26,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:26,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-04-16 06:48:26,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:26,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:26,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:26,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:48:26,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1464200297] [2021-04-16 06:48:26,496 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:48:26,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [50] imperfect sequences [] total 50 [2021-04-16 06:48:26,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44082131] [2021-04-16 06:48:26,496 INFO L460 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-04-16 06:48:26,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:48:26,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-04-16 06:48:26,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=2256, Unknown=0, NotChecked=0, Total=2450 [2021-04-16 06:48:26,497 INFO L87 Difference]: Start difference. First operand 202 states and 206 transitions. Second operand has 50 states, 48 states have (on average 3.0833333333333335) internal successors, (148), 49 states have internal predecessors, (148), 13 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-04-16 06:48:27,825 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2021-04-16 06:48:29,243 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 51 [2021-04-16 06:48:30,949 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 60 [2021-04-16 06:48:34,337 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 56 [2021-04-16 06:48:34,558 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 61 [2021-04-16 06:48:35,087 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2021-04-16 06:48:35,473 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2021-04-16 06:48:35,647 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 58 [2021-04-16 06:48:35,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:48:35,804 INFO L93 Difference]: Finished difference Result 334 states and 355 transitions. [2021-04-16 06:48:35,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-04-16 06:48:35,806 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 48 states have (on average 3.0833333333333335) internal successors, (148), 49 states have internal predecessors, (148), 13 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Word has length 201 [2021-04-16 06:48:35,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:48:35,807 INFO L225 Difference]: With dead ends: 334 [2021-04-16 06:48:35,807 INFO L226 Difference]: Without dead ends: 332 [2021-04-16 06:48:35,808 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 37 SyntacticMatches, 26 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1073 ImplicationChecksByTransitivity, 11804.5ms TimeCoverageRelationStatistics Valid=430, Invalid=5120, Unknown=0, NotChecked=0, Total=5550 [2021-04-16 06:48:35,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2021-04-16 06:48:35,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 316. [2021-04-16 06:48:35,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 277 states have (on average 1.0252707581227436) internal successors, (284), 278 states have internal predecessors, (284), 26 states have call successors, (26), 14 states have call predecessors, (26), 12 states have return successors, (25), 23 states have call predecessors, (25), 25 states have call successors, (25) [2021-04-16 06:48:35,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 335 transitions. [2021-04-16 06:48:35,918 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 335 transitions. Word has length 201 [2021-04-16 06:48:35,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:48:35,919 INFO L480 AbstractCegarLoop]: Abstraction has 316 states and 335 transitions. [2021-04-16 06:48:35,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 50 states, 48 states have (on average 3.0833333333333335) internal successors, (148), 49 states have internal predecessors, (148), 13 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-04-16 06:48:35,919 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 335 transitions. [2021-04-16 06:48:35,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-04-16 06:48:35,920 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:48:35,921 INFO L519 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:48:35,921 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-04-16 06:48:35,921 INFO L428 AbstractCegarLoop]: === Iteration 35 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:48:35,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:48:35,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1458437738, now seen corresponding path program 32 times [2021-04-16 06:48:35,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:48:35,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2021698424] [2021-04-16 06:48:35,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:48:35,940 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:48:35,941 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:48:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:36,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:36,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:36,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:36,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 06:48:36,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:36,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:48:36,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:36,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:48:36,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:36,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:48:36,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:36,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:48:36,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:36,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:48:36,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:36,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:48:36,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:36,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:48:36,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:36,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:48:36,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:36,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:48:36,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:36,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:48:36,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:36,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:48:36,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:36,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:48:36,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:36,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-16 06:48:36,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:36,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 06:48:36,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:36,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-16 06:48:36,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:36,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:48:36,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:36,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:48:36,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:36,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:48:36,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:36,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:48:36,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:36,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:48:36,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:36,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:48:36,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:36,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:48:36,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:36,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:48:36,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:36,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:48:36,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:36,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:48:36,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:36,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:48:36,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:36,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-16 06:48:37,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:37,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:37,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:48:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:37,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:37,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:37,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-04-16 06:48:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:37,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:37,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:37,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-04-16 06:48:37,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:37,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:37,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:37,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-04-16 06:48:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:37,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:37,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:37,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-04-16 06:48:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:37,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:37,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:37,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-04-16 06:48:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:37,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:37,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:37,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-04-16 06:48:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:37,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:37,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:37,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-04-16 06:48:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:37,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:37,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:37,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-04-16 06:48:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:37,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:37,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:37,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-04-16 06:48:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:37,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:37,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:37,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-04-16 06:48:37,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:37,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:37,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:37,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-04-16 06:48:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:37,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:37,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:37,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:48:37,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2021698424] [2021-04-16 06:48:37,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:48:37,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-04-16 06:48:37,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334722728] [2021-04-16 06:48:37,237 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-04-16 06:48:37,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:48:37,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-04-16 06:48:37,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=855, Unknown=0, NotChecked=0, Total=930 [2021-04-16 06:48:37,237 INFO L87 Difference]: Start difference. First operand 316 states and 335 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 30 states have internal predecessors, (95), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-04-16 06:48:45,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:48:45,673 INFO L93 Difference]: Finished difference Result 588 states and 640 transitions. [2021-04-16 06:48:45,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-04-16 06:48:45,675 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 30 states have internal predecessors, (95), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 204 [2021-04-16 06:48:45,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:48:45,676 INFO L225 Difference]: With dead ends: 588 [2021-04-16 06:48:45,676 INFO L226 Difference]: Without dead ends: 420 [2021-04-16 06:48:45,677 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 2725.0ms TimeCoverageRelationStatistics Valid=291, Invalid=2789, Unknown=0, NotChecked=0, Total=3080 [2021-04-16 06:48:45,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2021-04-16 06:48:45,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 327. [2021-04-16 06:48:45,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 288 states have (on average 1.0277777777777777) internal successors, (296), 289 states have internal predecessors, (296), 26 states have call successors, (26), 14 states have call predecessors, (26), 12 states have return successors, (25), 23 states have call predecessors, (25), 25 states have call successors, (25) [2021-04-16 06:48:45,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 347 transitions. [2021-04-16 06:48:45,786 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 347 transitions. Word has length 204 [2021-04-16 06:48:45,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:48:45,786 INFO L480 AbstractCegarLoop]: Abstraction has 327 states and 347 transitions. [2021-04-16 06:48:45,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 30 states have internal predecessors, (95), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-04-16 06:48:45,787 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 347 transitions. [2021-04-16 06:48:45,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-04-16 06:48:45,788 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:48:45,788 INFO L519 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:48:45,788 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-04-16 06:48:45,788 INFO L428 AbstractCegarLoop]: === Iteration 36 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:48:45,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:48:45,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1274127849, now seen corresponding path program 33 times [2021-04-16 06:48:45,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:48:45,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1624523194] [2021-04-16 06:48:45,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:48:45,795 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:48:45,796 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:48:45,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:45,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:45,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:45,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:45,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 06:48:45,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:45,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:48:45,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:45,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:48:45,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:45,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:48:45,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:45,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:48:45,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:45,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:48:45,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:45,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:48:46,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:46,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:48:46,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:46,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:48:46,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:46,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:48:46,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:46,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:48:46,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:46,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:48:46,110 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-16 06:48:46,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-16 06:48:46,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:46,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 06:48:46,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:46,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-16 06:48:46,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:46,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:48:46,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:46,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:48:46,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:46,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:48:46,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:46,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:48:46,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:46,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:48:46,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:46,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:48:46,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:46,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:48:46,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:46,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:48:46,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:46,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:48:46,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:46,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:48:46,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:46,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:48:46,712 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-04-16 06:48:46,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-16 06:48:46,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:46,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:46,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:48:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:46,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:46,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:46,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-04-16 06:48:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:46,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:46,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:46,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-04-16 06:48:46,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:46,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:46,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:46,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-04-16 06:48:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:46,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:46,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:46,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-04-16 06:48:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:46,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:46,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:46,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-04-16 06:48:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:46,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:46,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:46,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-04-16 06:48:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:46,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:46,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:46,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-04-16 06:48:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:46,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:46,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:46,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-04-16 06:48:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:46,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:46,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:46,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-04-16 06:48:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:46,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:46,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:46,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-04-16 06:48:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:46,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:46,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:46,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-04-16 06:48:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:46,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:46,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:46,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-04-16 06:48:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:46,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:46,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:46,895 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-04-16 06:48:46,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1624523194] [2021-04-16 06:48:46,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:48:46,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-04-16 06:48:46,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363028619] [2021-04-16 06:48:46,896 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-04-16 06:48:46,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:48:46,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-04-16 06:48:46,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=787, Unknown=0, NotChecked=0, Total=870 [2021-04-16 06:48:46,896 INFO L87 Difference]: Start difference. First operand 327 states and 347 transitions. Second operand has 30 states, 30 states have (on average 3.1) internal successors, (93), 29 states have internal predecessors, (93), 14 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-04-16 06:48:51,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:48:51,597 INFO L93 Difference]: Finished difference Result 469 states and 494 transitions. [2021-04-16 06:48:51,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-04-16 06:48:51,600 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1) internal successors, (93), 29 states have internal predecessors, (93), 14 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Word has length 209 [2021-04-16 06:48:51,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:48:51,601 INFO L225 Difference]: With dead ends: 469 [2021-04-16 06:48:51,601 INFO L226 Difference]: Without dead ends: 225 [2021-04-16 06:48:51,602 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 1315.0ms TimeCoverageRelationStatistics Valid=154, Invalid=1568, Unknown=0, NotChecked=0, Total=1722 [2021-04-16 06:48:51,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2021-04-16 06:48:51,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 210. [2021-04-16 06:48:51,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 183 states have (on average 1.0218579234972678) internal successors, (187), 183 states have internal predecessors, (187), 14 states have call successors, (14), 14 states have call predecessors, (14), 12 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2021-04-16 06:48:51,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 214 transitions. [2021-04-16 06:48:51,664 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 214 transitions. Word has length 209 [2021-04-16 06:48:51,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:48:51,664 INFO L480 AbstractCegarLoop]: Abstraction has 210 states and 214 transitions. [2021-04-16 06:48:51,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1) internal successors, (93), 29 states have internal predecessors, (93), 14 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-04-16 06:48:51,664 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 214 transitions. [2021-04-16 06:48:51,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-04-16 06:48:51,665 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:48:51,665 INFO L519 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:48:51,665 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-04-16 06:48:51,665 INFO L428 AbstractCegarLoop]: === Iteration 37 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:48:51,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:48:51,666 INFO L82 PathProgramCache]: Analyzing trace with hash -541388095, now seen corresponding path program 34 times [2021-04-16 06:48:51,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:48:51,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [13570331] [2021-04-16 06:48:51,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:48:51,689 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:48:51,690 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:48:52,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:48:52,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:48:52,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:48:52,530 INFO L142 QuantifierPusher]: treesize reduction 13, result has 72.3 percent of original size [2021-04-16 06:48:52,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-16 06:48:52,575 INFO L142 QuantifierPusher]: treesize reduction 16, result has 76.1 percent of original size [2021-04-16 06:48:52,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-16 06:48:52,634 INFO L142 QuantifierPusher]: treesize reduction 16, result has 76.1 percent of original size [2021-04-16 06:48:52,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-16 06:48:52,694 INFO L142 QuantifierPusher]: treesize reduction 16, result has 76.1 percent of original size [2021-04-16 06:48:52,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-16 06:48:52,762 INFO L142 QuantifierPusher]: treesize reduction 16, result has 76.1 percent of original size [2021-04-16 06:48:52,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-16 06:48:52,829 INFO L142 QuantifierPusher]: treesize reduction 16, result has 76.1 percent of original size [2021-04-16 06:48:52,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-16 06:48:52,901 INFO L142 QuantifierPusher]: treesize reduction 16, result has 76.1 percent of original size [2021-04-16 06:48:52,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-16 06:48:52,976 INFO L142 QuantifierPusher]: treesize reduction 16, result has 76.1 percent of original size [2021-04-16 06:48:52,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-16 06:48:53,048 INFO L142 QuantifierPusher]: treesize reduction 16, result has 76.1 percent of original size [2021-04-16 06:48:53,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-16 06:48:53,111 INFO L142 QuantifierPusher]: treesize reduction 16, result has 76.1 percent of original size [2021-04-16 06:48:53,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-16 06:48:53,182 INFO L142 QuantifierPusher]: treesize reduction 16, result has 76.1 percent of original size [2021-04-16 06:48:53,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-16 06:48:53,249 INFO L142 QuantifierPusher]: treesize reduction 26, result has 69.0 percent of original size [2021-04-16 06:48:53,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-04-16 06:48:53,343 INFO L142 QuantifierPusher]: treesize reduction 77, result has 52.2 percent of original size [2021-04-16 06:48:53,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-04-16 06:48:53,462 INFO L142 QuantifierPusher]: treesize reduction 417, result has 50.7 percent of original size [2021-04-16 06:48:53,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 429 [2021-04-16 06:48:53,709 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 37 [2021-04-16 06:48:53,715 INFO L142 QuantifierPusher]: treesize reduction 422, result has 49.4 percent of original size [2021-04-16 06:48:53,719 INFO L147 QuantifierPusher]: treesize reduction 9, result has 97.8 percent of original size 403 [2021-04-16 06:48:53,783 INFO L142 QuantifierPusher]: treesize reduction 132, result has 49.0 percent of original size [2021-04-16 06:48:53,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-04-16 06:48:53,926 INFO L142 QuantifierPusher]: treesize reduction 40, result has 60.4 percent of original size [2021-04-16 06:48:53,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-04-16 06:48:54,040 INFO L142 QuantifierPusher]: treesize reduction 40, result has 61.5 percent of original size [2021-04-16 06:48:54,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-04-16 06:48:54,143 INFO L142 QuantifierPusher]: treesize reduction 40, result has 68.5 percent of original size [2021-04-16 06:48:54,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-16 06:48:54,254 INFO L142 QuantifierPusher]: treesize reduction 40, result has 68.5 percent of original size [2021-04-16 06:48:54,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-16 06:48:54,366 INFO L142 QuantifierPusher]: treesize reduction 40, result has 68.5 percent of original size [2021-04-16 06:48:54,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-16 06:48:54,519 INFO L142 QuantifierPusher]: treesize reduction 40, result has 68.5 percent of original size [2021-04-16 06:48:54,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-16 06:48:54,674 INFO L142 QuantifierPusher]: treesize reduction 40, result has 68.5 percent of original size [2021-04-16 06:48:54,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-16 06:48:54,842 INFO L142 QuantifierPusher]: treesize reduction 40, result has 68.5 percent of original size [2021-04-16 06:48:54,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-16 06:48:54,991 INFO L142 QuantifierPusher]: treesize reduction 40, result has 68.5 percent of original size [2021-04-16 06:48:54,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-16 06:48:55,154 INFO L142 QuantifierPusher]: treesize reduction 40, result has 68.5 percent of original size [2021-04-16 06:48:55,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-16 06:48:55,300 INFO L142 QuantifierPusher]: treesize reduction 40, result has 68.5 percent of original size [2021-04-16 06:48:55,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-16 06:48:55,438 INFO L142 QuantifierPusher]: treesize reduction 40, result has 68.5 percent of original size [2021-04-16 06:48:55,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-16 06:48:55,573 INFO L142 QuantifierPusher]: treesize reduction 23, result has 92.3 percent of original size [2021-04-16 06:48:55,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 274 [2021-04-16 06:48:55,849 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 57 [2021-04-16 06:48:55,852 INFO L142 QuantifierPusher]: treesize reduction 42, result has 80.6 percent of original size [2021-04-16 06:48:55,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-04-16 06:48:56,073 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 42 [2021-04-16 06:48:56,076 INFO L142 QuantifierPusher]: treesize reduction 20, result has 91.8 percent of original size [2021-04-16 06:48:56,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 224 [2021-04-16 06:48:56,328 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 38 [2021-04-16 06:48:56,330 INFO L142 QuantifierPusher]: treesize reduction 76, result has 47.2 percent of original size [2021-04-16 06:48:56,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-04-16 06:48:56,390 INFO L142 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-04-16 06:48:56,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-04-16 06:48:56,449 INFO L142 QuantifierPusher]: treesize reduction 36, result has 66.4 percent of original size [2021-04-16 06:48:56,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-04-16 06:48:56,501 INFO L142 QuantifierPusher]: treesize reduction 36, result has 66.4 percent of original size [2021-04-16 06:48:56,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-04-16 06:48:56,556 INFO L142 QuantifierPusher]: treesize reduction 27, result has 80.7 percent of original size [2021-04-16 06:48:56,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-04-16 06:48:56,617 INFO L142 QuantifierPusher]: treesize reduction 27, result has 80.7 percent of original size [2021-04-16 06:48:56,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-04-16 06:48:56,679 INFO L142 QuantifierPusher]: treesize reduction 27, result has 80.7 percent of original size [2021-04-16 06:48:56,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-04-16 06:48:56,744 INFO L142 QuantifierPusher]: treesize reduction 27, result has 80.7 percent of original size [2021-04-16 06:48:56,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-04-16 06:48:56,811 INFO L142 QuantifierPusher]: treesize reduction 27, result has 80.7 percent of original size [2021-04-16 06:48:56,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-04-16 06:48:56,879 INFO L142 QuantifierPusher]: treesize reduction 27, result has 80.7 percent of original size [2021-04-16 06:48:56,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-04-16 06:48:56,944 INFO L142 QuantifierPusher]: treesize reduction 27, result has 80.7 percent of original size [2021-04-16 06:48:56,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-04-16 06:48:57,014 INFO L142 QuantifierPusher]: treesize reduction 27, result has 80.7 percent of original size [2021-04-16 06:48:57,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-04-16 06:48:57,086 INFO L142 QuantifierPusher]: treesize reduction 27, result has 80.7 percent of original size [2021-04-16 06:48:57,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-04-16 06:48:57,158 INFO L142 QuantifierPusher]: treesize reduction 27, result has 80.7 percent of original size [2021-04-16 06:48:57,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-04-16 06:48:57,235 INFO L142 QuantifierPusher]: treesize reduction 27, result has 80.7 percent of original size [2021-04-16 06:48:57,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-04-16 06:48:57,306 INFO L142 QuantifierPusher]: treesize reduction 27, result has 80.7 percent of original size [2021-04-16 06:48:57,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-04-16 06:48:57,383 INFO L142 QuantifierPusher]: treesize reduction 27, result has 80.7 percent of original size [2021-04-16 06:48:57,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-04-16 06:48:57,465 INFO L142 QuantifierPusher]: treesize reduction 27, result has 80.7 percent of original size [2021-04-16 06:48:57,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-04-16 06:48:57,543 INFO L142 QuantifierPusher]: treesize reduction 27, result has 80.7 percent of original size [2021-04-16 06:48:57,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-04-16 06:48:57,626 INFO L142 QuantifierPusher]: treesize reduction 27, result has 80.7 percent of original size [2021-04-16 06:48:57,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-04-16 06:48:57,705 INFO L142 QuantifierPusher]: treesize reduction 27, result has 80.7 percent of original size [2021-04-16 06:48:57,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-04-16 06:48:57,790 INFO L142 QuantifierPusher]: treesize reduction 27, result has 80.7 percent of original size [2021-04-16 06:48:57,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-04-16 06:48:57,872 INFO L142 QuantifierPusher]: treesize reduction 27, result has 80.7 percent of original size [2021-04-16 06:48:57,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-04-16 06:48:57,964 INFO L142 QuantifierPusher]: treesize reduction 27, result has 80.7 percent of original size [2021-04-16 06:48:57,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-04-16 06:48:58,053 INFO L142 QuantifierPusher]: treesize reduction 22, result has 93.8 percent of original size [2021-04-16 06:48:58,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 331 [2021-04-16 06:48:58,325 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 51 [2021-04-16 06:48:58,328 INFO L142 QuantifierPusher]: treesize reduction 27, result has 93.3 percent of original size [2021-04-16 06:48:58,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 378 [2021-04-16 06:48:58,568 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 46 [2021-04-16 06:48:58,572 INFO L142 QuantifierPusher]: treesize reduction 80, result has 85.6 percent of original size [2021-04-16 06:48:58,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 475 [2021-04-16 06:48:58,874 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 59 [2021-04-16 06:48:58,878 INFO L142 QuantifierPusher]: treesize reduction 42, result has 91.1 percent of original size [2021-04-16 06:48:58,881 INFO L147 QuantifierPusher]: treesize reduction 7, result has 98.4 percent of original size 424 [2021-04-16 06:48:59,262 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 42 [2021-04-16 06:48:59,264 INFO L142 QuantifierPusher]: treesize reduction 16, result has 81.2 percent of original size [2021-04-16 06:48:59,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-04-16 06:48:59,409 INFO L142 QuantifierPusher]: treesize reduction 16, result has 81.8 percent of original size [2021-04-16 06:48:59,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-04-16 06:48:59,545 INFO L142 QuantifierPusher]: treesize reduction 40, result has 80.9 percent of original size [2021-04-16 06:48:59,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 169 [2021-04-16 06:48:59,773 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 39 [2021-04-16 06:48:59,775 INFO L142 QuantifierPusher]: treesize reduction 40, result has 80.9 percent of original size [2021-04-16 06:48:59,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 169 [2021-04-16 06:48:59,984 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 39 [2021-04-16 06:48:59,986 INFO L142 QuantifierPusher]: treesize reduction 40, result has 80.9 percent of original size [2021-04-16 06:48:59,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 169 [2021-04-16 06:49:00,200 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 39 [2021-04-16 06:49:00,202 INFO L142 QuantifierPusher]: treesize reduction 40, result has 80.9 percent of original size [2021-04-16 06:49:00,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 169 [2021-04-16 06:49:00,422 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 39 [2021-04-16 06:49:00,424 INFO L142 QuantifierPusher]: treesize reduction 40, result has 80.9 percent of original size [2021-04-16 06:49:00,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 169 [2021-04-16 06:49:00,656 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 41 [2021-04-16 06:49:00,658 INFO L142 QuantifierPusher]: treesize reduction 40, result has 80.9 percent of original size [2021-04-16 06:49:00,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 169 [2021-04-16 06:49:00,882 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 40 [2021-04-16 06:49:00,885 INFO L142 QuantifierPusher]: treesize reduction 40, result has 80.9 percent of original size [2021-04-16 06:49:00,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 169 [2021-04-16 06:49:01,104 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 41 [2021-04-16 06:49:01,107 INFO L142 QuantifierPusher]: treesize reduction 40, result has 80.9 percent of original size [2021-04-16 06:49:01,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 169 [2021-04-16 06:49:01,340 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 41 [2021-04-16 06:49:01,343 INFO L142 QuantifierPusher]: treesize reduction 40, result has 80.9 percent of original size [2021-04-16 06:49:01,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 169 [2021-04-16 06:49:01,605 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 39 [2021-04-16 06:49:01,608 INFO L142 QuantifierPusher]: treesize reduction 40, result has 80.9 percent of original size [2021-04-16 06:49:01,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 169 [2021-04-16 06:49:01,852 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 38 [2021-04-16 06:49:01,856 INFO L142 QuantifierPusher]: treesize reduction 76, result has 84.3 percent of original size [2021-04-16 06:49:01,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 408 [2021-04-16 06:49:02,220 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 59 [2021-04-16 06:49:02,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:02,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 06:49:02,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:02,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:49:02,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:02,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:49:02,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:02,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:02,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:49:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:02,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:02,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:02,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-04-16 06:49:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:02,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:02,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:02,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-04-16 06:49:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:02,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:02,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:02,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-04-16 06:49:02,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:02,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:02,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:02,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-04-16 06:49:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:02,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:02,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:02,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-04-16 06:49:02,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:02,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:02,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:02,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-04-16 06:49:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:02,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:02,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:02,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-04-16 06:49:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:02,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:02,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:02,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-04-16 06:49:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:02,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:02,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:02,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-04-16 06:49:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:02,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:02,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:02,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-04-16 06:49:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:02,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:02,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:02,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-04-16 06:49:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:02,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:02,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:02,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:49:02,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [13570331] [2021-04-16 06:49:02,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:49:02,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-04-16 06:49:02,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103954083] [2021-04-16 06:49:02,656 INFO L460 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-04-16 06:49:02,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:49:02,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-04-16 06:49:02,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=208, Invalid=2548, Unknown=0, NotChecked=0, Total=2756 [2021-04-16 06:49:02,657 INFO L87 Difference]: Start difference. First operand 210 states and 214 transitions. Second operand has 53 states, 52 states have (on average 2.9423076923076925) internal successors, (153), 51 states have internal predecessors, (153), 13 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-04-16 06:49:07,612 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 47 [2021-04-16 06:49:08,321 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2021-04-16 06:49:08,542 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2021-04-16 06:49:12,947 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2021-04-16 06:49:13,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:49:13,743 INFO L93 Difference]: Finished difference Result 361 states and 384 transitions. [2021-04-16 06:49:13,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-04-16 06:49:13,746 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 52 states have (on average 2.9423076923076925) internal successors, (153), 51 states have internal predecessors, (153), 13 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Word has length 209 [2021-04-16 06:49:13,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:49:13,747 INFO L225 Difference]: With dead ends: 361 [2021-04-16 06:49:13,747 INFO L226 Difference]: Without dead ends: 359 [2021-04-16 06:49:13,748 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 25 SyntacticMatches, 25 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2441 ImplicationChecksByTransitivity, 14408.0ms TimeCoverageRelationStatistics Valid=610, Invalid=7222, Unknown=0, NotChecked=0, Total=7832 [2021-04-16 06:49:13,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2021-04-16 06:49:13,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 333. [2021-04-16 06:49:13,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 293 states have (on average 1.023890784982935) internal successors, (300), 294 states have internal predecessors, (300), 26 states have call successors, (26), 15 states have call predecessors, (26), 13 states have return successors, (25), 23 states have call predecessors, (25), 25 states have call successors, (25) [2021-04-16 06:49:13,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 351 transitions. [2021-04-16 06:49:13,863 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 351 transitions. Word has length 209 [2021-04-16 06:49:13,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:49:13,863 INFO L480 AbstractCegarLoop]: Abstraction has 333 states and 351 transitions. [2021-04-16 06:49:13,863 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 53 states, 52 states have (on average 2.9423076923076925) internal successors, (153), 51 states have internal predecessors, (153), 13 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-04-16 06:49:13,863 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 351 transitions. [2021-04-16 06:49:13,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-04-16 06:49:13,864 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:49:13,864 INFO L519 BasicCegarLoop]: trace histogram [14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:49:13,864 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-04-16 06:49:13,864 INFO L428 AbstractCegarLoop]: === Iteration 38 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:49:13,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:49:13,865 INFO L82 PathProgramCache]: Analyzing trace with hash 218970650, now seen corresponding path program 35 times [2021-04-16 06:49:13,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:49:13,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1958430669] [2021-04-16 06:49:13,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:49:13,872 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:49:13,873 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:49:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:14,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:14,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:14,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:14,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 06:49:14,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:14,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:49:14,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:14,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:49:14,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:14,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:49:14,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:14,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:49:14,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:14,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:49:14,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:14,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:49:14,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:14,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:49:14,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:14,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:49:14,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:14,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:49:14,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:14,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:49:14,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:14,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:49:14,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:14,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:49:14,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:14,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:49:14,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:14,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-16 06:49:14,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:14,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 06:49:14,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:14,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-16 06:49:14,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:14,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:49:14,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:14,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:49:14,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:14,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:49:14,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:14,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:49:14,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:14,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:49:14,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:14,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:49:14,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:14,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:49:14,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:14,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:49:14,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:14,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:49:14,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:14,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:49:15,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:15,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:49:15,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:15,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:49:15,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:15,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-16 06:49:15,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:15,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:15,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:49:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:15,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:15,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:15,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-04-16 06:49:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:15,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:15,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:15,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-04-16 06:49:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:15,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:15,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:15,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-04-16 06:49:15,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:15,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:15,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:15,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-04-16 06:49:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:15,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:15,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:15,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-04-16 06:49:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:15,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:15,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:15,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-04-16 06:49:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:15,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:15,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:15,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-04-16 06:49:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:15,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:15,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:15,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-04-16 06:49:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:15,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:15,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:15,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-04-16 06:49:15,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:15,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:15,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:15,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-04-16 06:49:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:15,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:15,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:15,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-04-16 06:49:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:15,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:15,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:15,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:49:15,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1958430669] [2021-04-16 06:49:15,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:49:15,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2021-04-16 06:49:15,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414124737] [2021-04-16 06:49:15,387 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-04-16 06:49:15,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:49:15,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-04-16 06:49:15,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=976, Unknown=0, NotChecked=0, Total=1056 [2021-04-16 06:49:15,387 INFO L87 Difference]: Start difference. First operand 333 states and 351 transitions. Second operand has 33 states, 33 states have (on average 3.0606060606060606) internal successors, (101), 32 states have internal predecessors, (101), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-04-16 06:49:18,538 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 17 [2021-04-16 06:49:28,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:49:28,109 INFO L93 Difference]: Finished difference Result 621 states and 673 transitions. [2021-04-16 06:49:28,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-04-16 06:49:28,110 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 3.0606060606060606) internal successors, (101), 32 states have internal predecessors, (101), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 212 [2021-04-16 06:49:28,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:49:28,112 INFO L225 Difference]: With dead ends: 621 [2021-04-16 06:49:28,112 INFO L226 Difference]: Without dead ends: 447 [2021-04-16 06:49:28,113 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 397 ImplicationChecksByTransitivity, 3671.1ms TimeCoverageRelationStatistics Valid=320, Invalid=3220, Unknown=0, NotChecked=0, Total=3540 [2021-04-16 06:49:28,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2021-04-16 06:49:28,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 344. [2021-04-16 06:49:28,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 304 states have (on average 1.0263157894736843) internal successors, (312), 305 states have internal predecessors, (312), 26 states have call successors, (26), 15 states have call predecessors, (26), 13 states have return successors, (25), 23 states have call predecessors, (25), 25 states have call successors, (25) [2021-04-16 06:49:28,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 363 transitions. [2021-04-16 06:49:28,228 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 363 transitions. Word has length 212 [2021-04-16 06:49:28,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:49:28,228 INFO L480 AbstractCegarLoop]: Abstraction has 344 states and 363 transitions. [2021-04-16 06:49:28,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 3.0606060606060606) internal successors, (101), 32 states have internal predecessors, (101), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-04-16 06:49:28,228 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 363 transitions. [2021-04-16 06:49:28,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-04-16 06:49:28,229 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:49:28,229 INFO L519 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:49:28,229 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-04-16 06:49:28,229 INFO L428 AbstractCegarLoop]: === Iteration 39 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:49:28,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:49:28,230 INFO L82 PathProgramCache]: Analyzing trace with hash -773376101, now seen corresponding path program 36 times [2021-04-16 06:49:28,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:49:28,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [16490027] [2021-04-16 06:49:28,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:49:28,238 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:49:28,239 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:49:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:29,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:29,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:29,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:29,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-16 06:49:29,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:29,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:29,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:29,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:29,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:29,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:29,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:29,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:29,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:29,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:29,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:29,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:29,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:29,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:29,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:29,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:29,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:29,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:29,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:29,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:29,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:29,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:29,653 INFO L142 QuantifierPusher]: treesize reduction 71, result has 80.6 percent of original size [2021-04-16 06:49:29,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 295 [2021-04-16 06:49:29,942 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 33 [2021-04-16 06:49:29,946 INFO L142 QuantifierPusher]: treesize reduction 34, result has 91.9 percent of original size [2021-04-16 06:49:29,949 INFO L147 QuantifierPusher]: treesize reduction 9, result has 97.7 percent of original size 375 [2021-04-16 06:49:30,111 INFO L142 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-04-16 06:49:30,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-16 06:49:30,164 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-04-16 06:49:30,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-16 06:49:30,166 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-04-16 06:49:30,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-16 06:49:30,168 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.7 percent of original size [2021-04-16 06:49:30,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,170 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.7 percent of original size [2021-04-16 06:49:30,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,172 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.7 percent of original size [2021-04-16 06:49:30,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,173 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.7 percent of original size [2021-04-16 06:49:30,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,175 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.7 percent of original size [2021-04-16 06:49:30,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,177 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.7 percent of original size [2021-04-16 06:49:30,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,179 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.7 percent of original size [2021-04-16 06:49:30,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,181 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.7 percent of original size [2021-04-16 06:49:30,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,183 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.7 percent of original size [2021-04-16 06:49:30,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,185 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.7 percent of original size [2021-04-16 06:49:30,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,187 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.7 percent of original size [2021-04-16 06:49:30,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,189 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.7 percent of original size [2021-04-16 06:49:30,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,191 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.7 percent of original size [2021-04-16 06:49:30,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,193 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.7 percent of original size [2021-04-16 06:49:30,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,195 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.7 percent of original size [2021-04-16 06:49:30,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,197 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.7 percent of original size [2021-04-16 06:49:30,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,200 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.7 percent of original size [2021-04-16 06:49:30,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,202 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.7 percent of original size [2021-04-16 06:49:30,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,204 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.7 percent of original size [2021-04-16 06:49:30,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,206 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.7 percent of original size [2021-04-16 06:49:30,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,208 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.7 percent of original size [2021-04-16 06:49:30,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,209 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.7 percent of original size [2021-04-16 06:49:30,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,213 INFO L142 QuantifierPusher]: treesize reduction 81, result has 78.5 percent of original size [2021-04-16 06:49:30,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 295 [2021-04-16 06:49:30,314 INFO L142 QuantifierPusher]: treesize reduction 44, result has 89.7 percent of original size [2021-04-16 06:49:30,316 INFO L147 QuantifierPusher]: treesize reduction 9, result has 97.7 percent of original size 375 [2021-04-16 06:49:30,436 INFO L142 QuantifierPusher]: treesize reduction 20, result has 52.4 percent of original size [2021-04-16 06:49:30,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-16 06:49:30,438 INFO L142 QuantifierPusher]: treesize reduction 20, result has 55.6 percent of original size [2021-04-16 06:49:30,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-16 06:49:30,441 INFO L142 QuantifierPusher]: treesize reduction 20, result has 55.6 percent of original size [2021-04-16 06:49:30,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-16 06:49:30,443 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-04-16 06:49:30,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,446 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-04-16 06:49:30,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,448 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-04-16 06:49:30,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,450 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-04-16 06:49:30,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,453 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-04-16 06:49:30,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,455 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-04-16 06:49:30,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,457 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-04-16 06:49:30,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,460 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-04-16 06:49:30,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,462 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-04-16 06:49:30,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,465 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-04-16 06:49:30,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,467 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-04-16 06:49:30,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,470 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-04-16 06:49:30,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,472 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-04-16 06:49:30,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,477 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-04-16 06:49:30,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,480 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-04-16 06:49:30,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,482 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-04-16 06:49:30,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,484 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-04-16 06:49:30,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,486 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-04-16 06:49:30,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,488 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-04-16 06:49:30,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,490 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-04-16 06:49:30,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,492 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-04-16 06:49:30,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,495 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-04-16 06:49:30,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:49:30,502 INFO L142 QuantifierPusher]: treesize reduction 257, result has 79.2 percent of original size [2021-04-16 06:49:30,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 976 [2021-04-16 06:49:30,889 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 35 [2021-04-16 06:49:30,896 INFO L142 QuantifierPusher]: treesize reduction 114, result has 90.1 percent of original size [2021-04-16 06:49:30,900 INFO L147 QuantifierPusher]: treesize reduction 9, result has 99.1 percent of original size 1031 [2021-04-16 06:49:31,297 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 46 [2021-04-16 06:49:31,299 INFO L142 QuantifierPusher]: treesize reduction 45, result has 46.4 percent of original size [2021-04-16 06:49:31,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-16 06:49:31,370 INFO L142 QuantifierPusher]: treesize reduction 45, result has 48.3 percent of original size [2021-04-16 06:49:31,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-16 06:49:31,444 INFO L142 QuantifierPusher]: treesize reduction 60, result has 42.9 percent of original size [2021-04-16 06:49:31,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-16 06:49:31,528 INFO L142 QuantifierPusher]: treesize reduction 60, result has 42.9 percent of original size [2021-04-16 06:49:31,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-16 06:49:31,619 INFO L142 QuantifierPusher]: treesize reduction 60, result has 42.9 percent of original size [2021-04-16 06:49:31,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-16 06:49:31,705 INFO L142 QuantifierPusher]: treesize reduction 60, result has 42.9 percent of original size [2021-04-16 06:49:31,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-16 06:49:31,793 INFO L142 QuantifierPusher]: treesize reduction 60, result has 42.9 percent of original size [2021-04-16 06:49:31,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-16 06:49:31,878 INFO L142 QuantifierPusher]: treesize reduction 60, result has 42.9 percent of original size [2021-04-16 06:49:31,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-16 06:49:31,961 INFO L142 QuantifierPusher]: treesize reduction 60, result has 42.9 percent of original size [2021-04-16 06:49:31,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-16 06:49:32,046 INFO L142 QuantifierPusher]: treesize reduction 60, result has 42.9 percent of original size [2021-04-16 06:49:32,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-16 06:49:32,142 INFO L142 QuantifierPusher]: treesize reduction 60, result has 42.9 percent of original size [2021-04-16 06:49:32,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-16 06:49:32,262 INFO L142 QuantifierPusher]: treesize reduction 60, result has 42.9 percent of original size [2021-04-16 06:49:32,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-16 06:49:32,368 INFO L142 QuantifierPusher]: treesize reduction 60, result has 42.9 percent of original size [2021-04-16 06:49:32,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-16 06:49:32,483 INFO L142 QuantifierPusher]: treesize reduction 232, result has 79.5 percent of original size [2021-04-16 06:49:32,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 897 [2021-04-16 06:49:32,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:32,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 06:49:32,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:32,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:49:32,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:32,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:49:32,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:32,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:32,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:49:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:32,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:32,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:32,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-04-16 06:49:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:32,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:32,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:32,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-04-16 06:49:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:32,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:32,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:32,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-04-16 06:49:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:32,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:32,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:32,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-04-16 06:49:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:32,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:32,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:32,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-04-16 06:49:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:32,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:32,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:32,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-04-16 06:49:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:32,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:32,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:32,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-04-16 06:49:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:32,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:32,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:32,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-04-16 06:49:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:32,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:32,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:32,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-04-16 06:49:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:32,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:32,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:32,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-04-16 06:49:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:32,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:32,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:32,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-04-16 06:49:32,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:32,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:32,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:32,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-04-16 06:49:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:32,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:32,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:32,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:49:32,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [16490027] [2021-04-16 06:49:32,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:49:32,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-04-16 06:49:32,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370380308] [2021-04-16 06:49:32,994 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-04-16 06:49:32,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:49:32,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-04-16 06:49:32,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1067, Unknown=0, NotChecked=0, Total=1190 [2021-04-16 06:49:32,995 INFO L87 Difference]: Start difference. First operand 344 states and 363 transitions. Second operand has 35 states, 34 states have (on average 4.588235294117647) internal successors, (156), 33 states have internal predecessors, (156), 14 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-04-16 06:49:38,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:49:38,960 INFO L93 Difference]: Finished difference Result 386 states and 406 transitions. [2021-04-16 06:49:38,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-04-16 06:49:38,963 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 4.588235294117647) internal successors, (156), 33 states have internal predecessors, (156), 14 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Word has length 217 [2021-04-16 06:49:38,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:49:38,964 INFO L225 Difference]: With dead ends: 386 [2021-04-16 06:49:38,964 INFO L226 Difference]: Without dead ends: 384 [2021-04-16 06:49:38,965 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 76 SyntacticMatches, 4 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 281 ImplicationChecksByTransitivity, 3810.1ms TimeCoverageRelationStatistics Valid=146, Invalid=1336, Unknown=0, NotChecked=0, Total=1482 [2021-04-16 06:49:38,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2021-04-16 06:49:39,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 356. [2021-04-16 06:49:39,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 313 states have (on average 1.02555910543131) internal successors, (321), 314 states have internal predecessors, (321), 28 states have call successors, (28), 16 states have call predecessors, (28), 14 states have return successors, (27), 25 states have call predecessors, (27), 27 states have call successors, (27) [2021-04-16 06:49:39,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 376 transitions. [2021-04-16 06:49:39,093 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 376 transitions. Word has length 217 [2021-04-16 06:49:39,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:49:39,093 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 376 transitions. [2021-04-16 06:49:39,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 35 states, 34 states have (on average 4.588235294117647) internal successors, (156), 33 states have internal predecessors, (156), 14 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-04-16 06:49:39,094 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 376 transitions. [2021-04-16 06:49:39,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-04-16 06:49:39,095 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:49:39,095 INFO L519 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 12, 12, 12, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:49:39,095 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-04-16 06:49:39,095 INFO L428 AbstractCegarLoop]: === Iteration 40 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:49:39,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:49:39,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1876003833, now seen corresponding path program 37 times [2021-04-16 06:49:39,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:49:39,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [212427067] [2021-04-16 06:49:39,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:49:39,104 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:49:39,105 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:49:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:39,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:39,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:39,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:39,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-16 06:49:39,966 INFO L142 QuantifierPusher]: treesize reduction 7, result has 85.7 percent of original size [2021-04-16 06:49:39,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-16 06:49:40,028 INFO L142 QuantifierPusher]: treesize reduction 7, result has 85.7 percent of original size [2021-04-16 06:49:40,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-16 06:49:40,089 INFO L142 QuantifierPusher]: treesize reduction 7, result has 85.7 percent of original size [2021-04-16 06:49:40,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-16 06:49:40,152 INFO L142 QuantifierPusher]: treesize reduction 7, result has 85.7 percent of original size [2021-04-16 06:49:40,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-16 06:49:40,225 INFO L142 QuantifierPusher]: treesize reduction 7, result has 85.7 percent of original size [2021-04-16 06:49:40,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-16 06:49:40,292 INFO L142 QuantifierPusher]: treesize reduction 7, result has 85.7 percent of original size [2021-04-16 06:49:40,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-16 06:49:40,361 INFO L142 QuantifierPusher]: treesize reduction 7, result has 85.7 percent of original size [2021-04-16 06:49:40,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-16 06:49:40,436 INFO L142 QuantifierPusher]: treesize reduction 40, result has 58.3 percent of original size [2021-04-16 06:49:40,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-04-16 06:49:40,536 INFO L142 QuantifierPusher]: treesize reduction 84, result has 46.2 percent of original size [2021-04-16 06:49:40,537 INFO L147 QuantifierPusher]: treesize reduction 9, result has 87.5 percent of original size 63 [2021-04-16 06:49:40,571 INFO L142 QuantifierPusher]: treesize reduction 7, result has 87.0 percent of original size [2021-04-16 06:49:40,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-16 06:49:40,653 INFO L142 QuantifierPusher]: treesize reduction 7, result has 87.0 percent of original size [2021-04-16 06:49:40,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-16 06:49:40,735 INFO L142 QuantifierPusher]: treesize reduction 21, result has 77.9 percent of original size [2021-04-16 06:49:40,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-04-16 06:49:40,869 INFO L142 QuantifierPusher]: treesize reduction 37, result has 81.0 percent of original size [2021-04-16 06:49:40,871 INFO L147 QuantifierPusher]: treesize reduction 9, result has 94.3 percent of original size 149 [2021-04-16 06:49:40,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:40,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-16 06:49:41,068 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.1 percent of original size [2021-04-16 06:49:41,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-04-16 06:49:41,299 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 20 [2021-04-16 06:49:41,302 INFO L142 QuantifierPusher]: treesize reduction 15, result has 87.9 percent of original size [2021-04-16 06:49:41,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-04-16 06:49:41,561 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 29 [2021-04-16 06:49:41,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:41,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-16 06:49:41,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:41,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-16 06:49:41,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:41,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-16 06:49:41,667 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size [2021-04-16 06:49:41,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-16 06:49:41,678 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size [2021-04-16 06:49:41,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-16 06:49:41,693 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size [2021-04-16 06:49:41,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-16 06:49:41,709 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size [2021-04-16 06:49:41,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-16 06:49:41,728 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size [2021-04-16 06:49:41,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-16 06:49:41,751 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size [2021-04-16 06:49:41,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-16 06:49:41,775 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size [2021-04-16 06:49:41,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-16 06:49:41,801 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size [2021-04-16 06:49:41,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-16 06:49:41,831 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size [2021-04-16 06:49:41,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-16 06:49:41,863 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size [2021-04-16 06:49:41,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-16 06:49:41,900 INFO L142 QuantifierPusher]: treesize reduction 20, result has 90.1 percent of original size [2021-04-16 06:49:41,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-04-16 06:49:41,984 INFO L142 QuantifierPusher]: treesize reduction 23, result has 84.1 percent of original size [2021-04-16 06:49:41,988 INFO L147 QuantifierPusher]: treesize reduction 9, result has 92.6 percent of original size 113 [2021-04-16 06:49:42,056 INFO L142 QuantifierPusher]: treesize reduction 5, result has 97.4 percent of original size [2021-04-16 06:49:42,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-04-16 06:49:42,190 INFO L142 QuantifierPusher]: treesize reduction 40, result has 60.4 percent of original size [2021-04-16 06:49:42,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-04-16 06:49:42,237 INFO L142 QuantifierPusher]: treesize reduction 5, result has 96.9 percent of original size [2021-04-16 06:49:42,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-04-16 06:49:42,430 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 28 [2021-04-16 06:49:42,433 INFO L142 QuantifierPusher]: treesize reduction 40, result has 44.4 percent of original size [2021-04-16 06:49:42,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-16 06:49:42,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:42,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-16 06:49:42,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:42,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-16 06:49:42,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:42,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-16 06:49:42,559 INFO L142 QuantifierPusher]: treesize reduction 125, result has 42.7 percent of original size [2021-04-16 06:49:42,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-04-16 06:49:42,576 INFO L142 QuantifierPusher]: treesize reduction 125, result has 42.7 percent of original size [2021-04-16 06:49:42,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-04-16 06:49:42,593 INFO L142 QuantifierPusher]: treesize reduction 125, result has 42.7 percent of original size [2021-04-16 06:49:42,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-04-16 06:49:42,615 INFO L142 QuantifierPusher]: treesize reduction 125, result has 42.7 percent of original size [2021-04-16 06:49:42,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-04-16 06:49:42,637 INFO L142 QuantifierPusher]: treesize reduction 125, result has 42.7 percent of original size [2021-04-16 06:49:42,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-04-16 06:49:42,662 INFO L142 QuantifierPusher]: treesize reduction 125, result has 42.7 percent of original size [2021-04-16 06:49:42,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-04-16 06:49:42,688 INFO L142 QuantifierPusher]: treesize reduction 125, result has 42.7 percent of original size [2021-04-16 06:49:42,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-04-16 06:49:42,718 INFO L142 QuantifierPusher]: treesize reduction 125, result has 42.7 percent of original size [2021-04-16 06:49:42,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-04-16 06:49:42,749 INFO L142 QuantifierPusher]: treesize reduction 125, result has 42.7 percent of original size [2021-04-16 06:49:42,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-04-16 06:49:42,786 INFO L142 QuantifierPusher]: treesize reduction 125, result has 42.7 percent of original size [2021-04-16 06:49:42,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-04-16 06:49:42,822 INFO L142 QuantifierPusher]: treesize reduction 125, result has 42.7 percent of original size [2021-04-16 06:49:42,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-04-16 06:49:42,863 INFO L142 QuantifierPusher]: treesize reduction 125, result has 42.7 percent of original size [2021-04-16 06:49:42,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-04-16 06:49:42,905 INFO L142 QuantifierPusher]: treesize reduction 125, result has 42.7 percent of original size [2021-04-16 06:49:42,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-04-16 06:49:42,951 INFO L142 QuantifierPusher]: treesize reduction 125, result has 42.7 percent of original size [2021-04-16 06:49:42,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-04-16 06:49:42,998 INFO L142 QuantifierPusher]: treesize reduction 267, result has 66.9 percent of original size [2021-04-16 06:49:43,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 539 [2021-04-16 06:49:43,101 INFO L142 QuantifierPusher]: treesize reduction 144, result has 57.9 percent of original size [2021-04-16 06:49:43,103 INFO L147 QuantifierPusher]: treesize reduction 9, result has 95.5 percent of original size 189 [2021-04-16 06:49:43,169 INFO L142 QuantifierPusher]: treesize reduction 135, result has 58.1 percent of original size [2021-04-16 06:49:43,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-04-16 06:49:43,233 INFO L142 QuantifierPusher]: treesize reduction 135, result has 58.1 percent of original size [2021-04-16 06:49:43,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-04-16 06:49:43,301 INFO L142 QuantifierPusher]: treesize reduction 135, result has 58.1 percent of original size [2021-04-16 06:49:43,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-04-16 06:49:43,366 INFO L142 QuantifierPusher]: treesize reduction 135, result has 58.1 percent of original size [2021-04-16 06:49:43,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-04-16 06:49:43,433 INFO L142 QuantifierPusher]: treesize reduction 94, result has 85.2 percent of original size [2021-04-16 06:49:43,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 542 [2021-04-16 06:49:43,562 INFO L142 QuantifierPusher]: treesize reduction 80, result has 83.8 percent of original size [2021-04-16 06:49:43,565 INFO L147 QuantifierPusher]: treesize reduction 7, result has 98.3 percent of original size 406 [2021-04-16 06:49:43,948 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 46 [2021-04-16 06:49:43,952 INFO L142 QuantifierPusher]: treesize reduction 37, result has 89.9 percent of original size [2021-04-16 06:49:43,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 328 [2021-04-16 06:49:44,407 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 51 [2021-04-16 06:49:44,410 INFO L142 QuantifierPusher]: treesize reduction 62, result has 68.7 percent of original size [2021-04-16 06:49:44,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-04-16 06:49:44,504 INFO L142 QuantifierPusher]: treesize reduction 72, result has 78.6 percent of original size [2021-04-16 06:49:44,506 INFO L147 QuantifierPusher]: treesize reduction 10, result has 96.2 percent of original size 255 [2021-04-16 06:49:44,785 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 45 [2021-04-16 06:49:44,787 INFO L142 QuantifierPusher]: treesize reduction 39, result has 72.3 percent of original size [2021-04-16 06:49:44,789 INFO L147 QuantifierPusher]: treesize reduction 7, result has 93.1 percent of original size 95 [2021-04-16 06:49:44,990 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 34 [2021-04-16 06:49:44,992 INFO L142 QuantifierPusher]: treesize reduction 32, result has 70.4 percent of original size [2021-04-16 06:49:44,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-04-16 06:49:45,155 INFO L142 QuantifierPusher]: treesize reduction 32, result has 71.2 percent of original size [2021-04-16 06:49:45,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-04-16 06:49:45,305 INFO L142 QuantifierPusher]: treesize reduction 52, result has 74.9 percent of original size [2021-04-16 06:49:45,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-04-16 06:49:45,548 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 43 [2021-04-16 06:49:45,551 INFO L142 QuantifierPusher]: treesize reduction 52, result has 74.9 percent of original size [2021-04-16 06:49:45,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-04-16 06:49:45,790 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 43 [2021-04-16 06:49:45,793 INFO L142 QuantifierPusher]: treesize reduction 52, result has 74.9 percent of original size [2021-04-16 06:49:45,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-04-16 06:49:46,051 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 45 [2021-04-16 06:49:46,054 INFO L142 QuantifierPusher]: treesize reduction 52, result has 74.9 percent of original size [2021-04-16 06:49:46,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-04-16 06:49:46,305 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 44 [2021-04-16 06:49:46,308 INFO L142 QuantifierPusher]: treesize reduction 52, result has 74.9 percent of original size [2021-04-16 06:49:46,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-04-16 06:49:46,583 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 45 [2021-04-16 06:49:46,587 INFO L142 QuantifierPusher]: treesize reduction 52, result has 74.9 percent of original size [2021-04-16 06:49:46,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-04-16 06:49:46,870 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 45 [2021-04-16 06:49:46,873 INFO L142 QuantifierPusher]: treesize reduction 52, result has 74.9 percent of original size [2021-04-16 06:49:46,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-04-16 06:49:47,150 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 45 [2021-04-16 06:49:47,153 INFO L142 QuantifierPusher]: treesize reduction 52, result has 74.9 percent of original size [2021-04-16 06:49:47,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-04-16 06:49:47,452 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 45 [2021-04-16 06:49:47,455 INFO L142 QuantifierPusher]: treesize reduction 52, result has 74.9 percent of original size [2021-04-16 06:49:47,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-04-16 06:49:47,754 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 43 [2021-04-16 06:49:47,757 INFO L142 QuantifierPusher]: treesize reduction 52, result has 74.9 percent of original size [2021-04-16 06:49:47,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-04-16 06:49:48,023 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 42 [2021-04-16 06:49:48,027 INFO L142 QuantifierPusher]: treesize reduction 64, result has 83.7 percent of original size [2021-04-16 06:49:48,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 328 [2021-04-16 06:49:48,384 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 54 [2021-04-16 06:49:48,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:48,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 06:49:48,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:48,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:49:48,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:48,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:49:48,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:48,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:48,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:49:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:48,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:48,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:48,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-04-16 06:49:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:48,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:48,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:48,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-04-16 06:49:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:48,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:48,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:48,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-04-16 06:49:48,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:48,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:48,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:48,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-04-16 06:49:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:48,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:48,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:48,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-04-16 06:49:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:48,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:48,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:48,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-04-16 06:49:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:48,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:48,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:48,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-04-16 06:49:48,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:48,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:48,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:48,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-04-16 06:49:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:48,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:48,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:48,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-04-16 06:49:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:48,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:48,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:48,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-04-16 06:49:48,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:48,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:48,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:48,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-04-16 06:49:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:48,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:48,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:48,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:49:48,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [212427067] [2021-04-16 06:49:48,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:49:48,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [] total 40 [2021-04-16 06:49:48,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823435518] [2021-04-16 06:49:48,756 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-04-16 06:49:48,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:49:48,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-04-16 06:49:48,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=1367, Unknown=0, NotChecked=0, Total=1560 [2021-04-16 06:49:48,757 INFO L87 Difference]: Start difference. First operand 356 states and 376 transitions. Second operand has 40 states, 39 states have (on average 4.128205128205129) internal successors, (161), 38 states have internal predecessors, (161), 13 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-04-16 06:49:51,839 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 37 [2021-04-16 06:49:52,146 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2021-04-16 06:49:52,452 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2021-04-16 06:49:53,529 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2021-04-16 06:49:54,798 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2021-04-16 06:49:59,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:49:59,569 INFO L93 Difference]: Finished difference Result 426 states and 453 transitions. [2021-04-16 06:49:59,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-04-16 06:49:59,571 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 39 states have (on average 4.128205128205129) internal successors, (161), 38 states have internal predecessors, (161), 13 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Word has length 217 [2021-04-16 06:49:59,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:49:59,573 INFO L225 Difference]: With dead ends: 426 [2021-04-16 06:49:59,573 INFO L226 Difference]: Without dead ends: 424 [2021-04-16 06:49:59,573 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 26 SyntacticMatches, 43 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 954 ImplicationChecksByTransitivity, 11482.7ms TimeCoverageRelationStatistics Valid=359, Invalid=3301, Unknown=0, NotChecked=0, Total=3660 [2021-04-16 06:49:59,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2021-04-16 06:49:59,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 276. [2021-04-16 06:49:59,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 245 states have (on average 1.0244897959183674) internal successors, (251), 245 states have internal predecessors, (251), 16 states have call successors, (16), 16 states have call predecessors, (16), 14 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2021-04-16 06:49:59,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 282 transitions. [2021-04-16 06:49:59,661 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 282 transitions. Word has length 217 [2021-04-16 06:49:59,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:49:59,661 INFO L480 AbstractCegarLoop]: Abstraction has 276 states and 282 transitions. [2021-04-16 06:49:59,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 40 states, 39 states have (on average 4.128205128205129) internal successors, (161), 38 states have internal predecessors, (161), 13 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-04-16 06:49:59,662 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 282 transitions. [2021-04-16 06:49:59,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-04-16 06:49:59,662 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:49:59,663 INFO L519 BasicCegarLoop]: trace histogram [14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:49:59,663 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-04-16 06:49:59,663 INFO L428 AbstractCegarLoop]: === Iteration 41 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:49:59,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:49:59,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1175068043, now seen corresponding path program 38 times [2021-04-16 06:49:59,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:49:59,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2094215831] [2021-04-16 06:49:59,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:49:59,671 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:49:59,671 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:49:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:49:59,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:59,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:49:59,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:59,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 06:49:59,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:59,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:49:59,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:59,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:49:59,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:59,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:49:59,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:59,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:49:59,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:59,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:49:59,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:59,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:49:59,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:49:59,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:50:00,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:00,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:50:00,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:00,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:50:00,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:00,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:50:00,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:00,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:50:00,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:00,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:50:00,239 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-16 06:50:00,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-16 06:50:00,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:00,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 06:50:00,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:00,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-16 06:50:00,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:00,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:50:00,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:00,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:50:00,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:00,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:50:00,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:00,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:50:00,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:00,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:50:00,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:00,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:50:00,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:00,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:50:00,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:00,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:50:01,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:01,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:50:01,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:01,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:50:01,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:01,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:50:01,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:01,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:50:01,353 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-04-16 06:50:01,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-16 06:50:01,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:01,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:50:01,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:50:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:50:01,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:01,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:50:01,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-04-16 06:50:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:50:01,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:01,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:50:01,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-04-16 06:50:01,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:50:01,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:01,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:50:01,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-04-16 06:50:01,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:50:01,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:01,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:50:01,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-04-16 06:50:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:50:01,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:01,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:50:01,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-04-16 06:50:01,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:50:01,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:01,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:50:01,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-04-16 06:50:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:50:01,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:01,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:50:01,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-04-16 06:50:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:50:01,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:01,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:50:01,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-04-16 06:50:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:50:01,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:01,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:50:01,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-04-16 06:50:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:50:01,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:01,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:50:01,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-04-16 06:50:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:50:01,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:01,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:50:01,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-04-16 06:50:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:50:01,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:01,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:50:01,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-04-16 06:50:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:50:01,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:01,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:50:01,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-04-16 06:50:01,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:50:01,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:01,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:50:01,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:50:01,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2094215831] [2021-04-16 06:50:01,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:50:01,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2021-04-16 06:50:01,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528971853] [2021-04-16 06:50:01,646 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-04-16 06:50:01,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:50:01,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-04-16 06:50:01,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=903, Unknown=0, NotChecked=0, Total=992 [2021-04-16 06:50:01,646 INFO L87 Difference]: Start difference. First operand 276 states and 282 transitions. Second operand has 32 states, 32 states have (on average 3.09375) internal successors, (99), 31 states have internal predecessors, (99), 15 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2021-04-16 06:50:10,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:50:10,673 INFO L93 Difference]: Finished difference Result 512 states and 536 transitions. [2021-04-16 06:50:10,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-04-16 06:50:10,679 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 3.09375) internal successors, (99), 31 states have internal predecessors, (99), 15 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Word has length 225 [2021-04-16 06:50:10,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:50:10,680 INFO L225 Difference]: With dead ends: 512 [2021-04-16 06:50:10,680 INFO L226 Difference]: Without dead ends: 245 [2021-04-16 06:50:10,680 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 2497.2ms TimeCoverageRelationStatistics Valid=166, Invalid=1814, Unknown=0, NotChecked=0, Total=1980 [2021-04-16 06:50:10,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2021-04-16 06:50:10,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 234. [2021-04-16 06:50:10,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 203 states have (on average 1.019704433497537) internal successors, (207), 203 states have internal predecessors, (207), 16 states have call successors, (16), 16 states have call predecessors, (16), 14 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2021-04-16 06:50:10,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 238 transitions. [2021-04-16 06:50:10,757 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 238 transitions. Word has length 225 [2021-04-16 06:50:10,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:50:10,758 INFO L480 AbstractCegarLoop]: Abstraction has 234 states and 238 transitions. [2021-04-16 06:50:10,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 3.09375) internal successors, (99), 31 states have internal predecessors, (99), 15 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2021-04-16 06:50:10,758 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 238 transitions. [2021-04-16 06:50:10,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-04-16 06:50:10,759 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:50:10,759 INFO L519 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:50:10,759 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-04-16 06:50:10,759 INFO L428 AbstractCegarLoop]: === Iteration 42 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:50:10,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:50:10,759 INFO L82 PathProgramCache]: Analyzing trace with hash 1294134189, now seen corresponding path program 39 times [2021-04-16 06:50:10,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:50:10,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [241495326] [2021-04-16 06:50:10,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:50:10,767 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:50:10,768 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:50:11,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:50:11,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:11,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:50:11,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:11,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-16 06:50:11,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:11,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:50:11,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:11,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:50:11,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:11,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:50:11,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:11,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:50:11,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:11,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:50:11,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:11,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:50:11,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:11,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:50:11,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:11,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:50:11,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:11,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:50:11,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:11,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:50:11,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:11,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:50:12,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:12,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:50:12,109 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.0 percent of original size [2021-04-16 06:50:12,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-04-16 06:50:12,353 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 22 [2021-04-16 06:50:12,356 INFO L142 QuantifierPusher]: treesize reduction 78, result has 42.6 percent of original size [2021-04-16 06:50:12,358 INFO L147 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size 49 [2021-04-16 06:50:12,415 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.3 percent of original size [2021-04-16 06:50:12,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-04-16 06:50:12,615 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 32 [2021-04-16 06:50:12,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:12,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-16 06:50:12,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:12,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-04-16 06:50:12,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:12,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-04-16 06:50:12,926 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.2 percent of original size [2021-04-16 06:50:12,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-04-16 06:50:13,111 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.2 percent of original size [2021-04-16 06:50:13,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-04-16 06:50:13,114 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.2 percent of original size [2021-04-16 06:50:13,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-04-16 06:50:13,271 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.2 percent of original size [2021-04-16 06:50:13,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-04-16 06:50:13,273 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.2 percent of original size [2021-04-16 06:50:13,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-04-16 06:50:13,481 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2021-04-16 06:50:13,483 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.2 percent of original size [2021-04-16 06:50:13,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-04-16 06:50:13,487 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.2 percent of original size [2021-04-16 06:50:13,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-04-16 06:50:13,683 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2021-04-16 06:50:13,686 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.2 percent of original size [2021-04-16 06:50:13,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-04-16 06:50:13,689 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.2 percent of original size [2021-04-16 06:50:13,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-04-16 06:50:13,884 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2021-04-16 06:50:13,888 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.2 percent of original size [2021-04-16 06:50:13,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-04-16 06:50:13,891 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.2 percent of original size [2021-04-16 06:50:13,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-04-16 06:50:14,089 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2021-04-16 06:50:14,092 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.2 percent of original size [2021-04-16 06:50:14,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-04-16 06:50:14,095 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.2 percent of original size [2021-04-16 06:50:14,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-04-16 06:50:14,331 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2021-04-16 06:50:14,334 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.2 percent of original size [2021-04-16 06:50:14,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-04-16 06:50:14,336 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.2 percent of original size [2021-04-16 06:50:14,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-04-16 06:50:14,549 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2021-04-16 06:50:14,551 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.2 percent of original size [2021-04-16 06:50:14,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-04-16 06:50:14,554 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.2 percent of original size [2021-04-16 06:50:14,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-04-16 06:50:14,777 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.2 percent of original size [2021-04-16 06:50:14,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-04-16 06:50:14,781 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.2 percent of original size [2021-04-16 06:50:14,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-04-16 06:50:15,017 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2021-04-16 06:50:15,019 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.2 percent of original size [2021-04-16 06:50:15,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-04-16 06:50:15,022 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.2 percent of original size [2021-04-16 06:50:15,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-04-16 06:50:15,238 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.2 percent of original size [2021-04-16 06:50:15,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-04-16 06:50:15,241 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.2 percent of original size [2021-04-16 06:50:15,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-04-16 06:50:15,472 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.2 percent of original size [2021-04-16 06:50:15,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-04-16 06:50:15,475 INFO L142 QuantifierPusher]: treesize reduction 5, result has 97.6 percent of original size [2021-04-16 06:50:15,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 203 [2021-04-16 06:50:15,862 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 54 [2021-04-16 06:50:15,866 INFO L142 QuantifierPusher]: treesize reduction 9, result has 91.3 percent of original size [2021-04-16 06:50:15,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-04-16 06:50:16,187 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 29 [2021-04-16 06:50:16,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:16,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-16 06:50:16,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:16,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-16 06:50:16,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:16,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-16 06:50:16,363 INFO L142 QuantifierPusher]: treesize reduction 5, result has 96.0 percent of original size [2021-04-16 06:50:16,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-04-16 06:50:16,378 INFO L142 QuantifierPusher]: treesize reduction 5, result has 96.0 percent of original size [2021-04-16 06:50:16,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-04-16 06:50:16,392 INFO L142 QuantifierPusher]: treesize reduction 5, result has 96.0 percent of original size [2021-04-16 06:50:16,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-04-16 06:50:16,421 INFO L142 QuantifierPusher]: treesize reduction 5, result has 96.0 percent of original size [2021-04-16 06:50:16,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-04-16 06:50:16,449 INFO L142 QuantifierPusher]: treesize reduction 5, result has 96.0 percent of original size [2021-04-16 06:50:16,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-04-16 06:50:16,472 INFO L142 QuantifierPusher]: treesize reduction 5, result has 96.0 percent of original size [2021-04-16 06:50:16,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-04-16 06:50:16,496 INFO L142 QuantifierPusher]: treesize reduction 5, result has 96.0 percent of original size [2021-04-16 06:50:16,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-04-16 06:50:16,521 INFO L142 QuantifierPusher]: treesize reduction 5, result has 96.0 percent of original size [2021-04-16 06:50:16,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-04-16 06:50:16,554 INFO L142 QuantifierPusher]: treesize reduction 5, result has 96.0 percent of original size [2021-04-16 06:50:16,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-04-16 06:50:16,597 INFO L142 QuantifierPusher]: treesize reduction 5, result has 96.0 percent of original size [2021-04-16 06:50:16,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-04-16 06:50:16,629 INFO L142 QuantifierPusher]: treesize reduction 5, result has 96.0 percent of original size [2021-04-16 06:50:16,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-04-16 06:50:16,662 INFO L142 QuantifierPusher]: treesize reduction 5, result has 96.0 percent of original size [2021-04-16 06:50:16,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-04-16 06:50:16,704 INFO L142 QuantifierPusher]: treesize reduction 5, result has 96.0 percent of original size [2021-04-16 06:50:16,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-04-16 06:50:16,753 INFO L142 QuantifierPusher]: treesize reduction 5, result has 96.0 percent of original size [2021-04-16 06:50:16,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-04-16 06:50:16,791 INFO L142 QuantifierPusher]: treesize reduction 5, result has 96.0 percent of original size [2021-04-16 06:50:16,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-04-16 06:50:16,832 INFO L142 QuantifierPusher]: treesize reduction 5, result has 96.0 percent of original size [2021-04-16 06:50:16,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-04-16 06:50:16,871 INFO L142 QuantifierPusher]: treesize reduction 5, result has 96.0 percent of original size [2021-04-16 06:50:16,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-04-16 06:50:16,921 INFO L142 QuantifierPusher]: treesize reduction 5, result has 96.0 percent of original size [2021-04-16 06:50:16,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-04-16 06:50:16,971 INFO L142 QuantifierPusher]: treesize reduction 5, result has 96.0 percent of original size [2021-04-16 06:50:16,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-04-16 06:50:17,019 INFO L142 QuantifierPusher]: treesize reduction 5, result has 96.0 percent of original size [2021-04-16 06:50:17,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-04-16 06:50:17,075 INFO L142 QuantifierPusher]: treesize reduction 5, result has 96.0 percent of original size [2021-04-16 06:50:17,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-04-16 06:50:17,129 INFO L142 QuantifierPusher]: treesize reduction 5, result has 96.0 percent of original size [2021-04-16 06:50:17,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-04-16 06:50:17,188 INFO L142 QuantifierPusher]: treesize reduction 5, result has 96.0 percent of original size [2021-04-16 06:50:17,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-04-16 06:50:17,263 INFO L142 QuantifierPusher]: treesize reduction 5, result has 96.0 percent of original size [2021-04-16 06:50:17,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-04-16 06:50:17,341 INFO L142 QuantifierPusher]: treesize reduction 12, result has 98.0 percent of original size [2021-04-16 06:50:17,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 586 [2021-04-16 06:50:17,512 INFO L142 QuantifierPusher]: treesize reduction 30, result has 88.5 percent of original size [2021-04-16 06:50:17,514 INFO L147 QuantifierPusher]: treesize reduction 9, result has 96.1 percent of original size 221 [2021-04-16 06:50:17,892 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 49 [2021-04-16 06:50:17,894 INFO L142 QuantifierPusher]: treesize reduction 10, result has 87.2 percent of original size [2021-04-16 06:50:17,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-04-16 06:50:18,085 INFO L142 QuantifierPusher]: treesize reduction 10, result has 87.7 percent of original size [2021-04-16 06:50:18,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-04-16 06:50:18,278 INFO L142 QuantifierPusher]: treesize reduction 10, result has 89.2 percent of original size [2021-04-16 06:50:18,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-04-16 06:50:18,497 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2021-04-16 06:50:18,499 INFO L142 QuantifierPusher]: treesize reduction 10, result has 89.2 percent of original size [2021-04-16 06:50:18,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-04-16 06:50:18,696 INFO L142 QuantifierPusher]: treesize reduction 10, result has 89.2 percent of original size [2021-04-16 06:50:18,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-04-16 06:50:18,905 INFO L142 QuantifierPusher]: treesize reduction 10, result has 89.2 percent of original size [2021-04-16 06:50:18,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-04-16 06:50:19,099 INFO L142 QuantifierPusher]: treesize reduction 10, result has 89.2 percent of original size [2021-04-16 06:50:19,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-04-16 06:50:19,304 INFO L142 QuantifierPusher]: treesize reduction 10, result has 89.2 percent of original size [2021-04-16 06:50:19,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-04-16 06:50:19,526 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2021-04-16 06:50:19,528 INFO L142 QuantifierPusher]: treesize reduction 10, result has 89.2 percent of original size [2021-04-16 06:50:19,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-04-16 06:50:19,752 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2021-04-16 06:50:19,754 INFO L142 QuantifierPusher]: treesize reduction 10, result has 89.2 percent of original size [2021-04-16 06:50:19,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-04-16 06:50:19,952 INFO L142 QuantifierPusher]: treesize reduction 10, result has 89.2 percent of original size [2021-04-16 06:50:19,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-04-16 06:50:20,165 INFO L142 QuantifierPusher]: treesize reduction 10, result has 89.2 percent of original size [2021-04-16 06:50:20,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-04-16 06:50:20,373 INFO L142 QuantifierPusher]: treesize reduction 10, result has 89.2 percent of original size [2021-04-16 06:50:20,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-04-16 06:50:20,628 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2021-04-16 06:50:20,631 INFO L142 QuantifierPusher]: treesize reduction 10, result has 89.2 percent of original size [2021-04-16 06:50:20,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-04-16 06:50:20,903 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 34 [2021-04-16 06:50:20,908 INFO L142 QuantifierPusher]: treesize reduction 17, result has 95.4 percent of original size [2021-04-16 06:50:20,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 351 [2021-04-16 06:50:21,464 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 57 [2021-04-16 06:50:21,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:21,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 06:50:21,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:21,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:50:21,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:21,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:50:21,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:21,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:50:22,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:50:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:50:22,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:22,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:50:22,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-04-16 06:50:22,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:50:22,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:22,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:50:22,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-04-16 06:50:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:50:22,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:22,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:50:22,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-04-16 06:50:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:50:22,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:22,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:50:22,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-04-16 06:50:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:50:22,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:22,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:50:22,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-04-16 06:50:22,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:50:22,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:22,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:50:22,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-04-16 06:50:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:50:22,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:22,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:50:22,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-04-16 06:50:22,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:50:22,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:22,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:50:22,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-04-16 06:50:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:50:22,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:22,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:50:22,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-04-16 06:50:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:50:22,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:22,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:50:22,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-04-16 06:50:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:50:22,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:22,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:50:22,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-04-16 06:50:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:50:22,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:22,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:50:22,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-04-16 06:50:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:50:22,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:22,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:50:22,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-04-16 06:50:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:50:22,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:22,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:50:22,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:50:22,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [241495326] [2021-04-16 06:50:22,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:50:22,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [54] imperfect sequences [] total 54 [2021-04-16 06:50:22,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734686195] [2021-04-16 06:50:22,141 INFO L460 AbstractCegarLoop]: Interpolant automaton has 54 states [2021-04-16 06:50:22,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:50:22,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-04-16 06:50:22,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=2650, Unknown=0, NotChecked=0, Total=2862 [2021-04-16 06:50:22,142 INFO L87 Difference]: Start difference. First operand 234 states and 238 transitions. Second operand has 54 states, 53 states have (on average 3.150943396226415) internal successors, (167), 52 states have internal predecessors, (167), 15 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2021-04-16 06:50:24,215 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 45 [2021-04-16 06:50:28,699 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 45 [2021-04-16 06:50:29,073 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 48 [2021-04-16 06:50:29,445 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 45 [2021-04-16 06:50:29,896 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 48 [2021-04-16 06:50:30,078 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2021-04-16 06:50:30,561 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 47 [2021-04-16 06:50:30,778 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 39 [2021-04-16 06:50:31,213 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 48 [2021-04-16 06:50:31,433 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2021-04-16 06:50:31,946 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 48 [2021-04-16 06:50:32,142 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2021-04-16 06:50:32,598 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 48 [2021-04-16 06:50:32,806 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2021-04-16 06:50:33,250 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 45 [2021-04-16 06:50:33,488 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2021-04-16 06:50:33,944 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 45 [2021-04-16 06:50:34,165 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2021-04-16 06:50:34,616 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 48 [2021-04-16 06:50:34,818 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2021-04-16 06:50:35,205 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 48 [2021-04-16 06:50:35,393 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2021-04-16 06:50:35,839 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 48 [2021-04-16 06:50:36,024 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2021-04-16 06:50:36,458 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2021-04-16 06:50:36,674 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2021-04-16 06:50:37,158 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 55 [2021-04-16 06:50:37,628 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2021-04-16 06:50:37,914 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2021-04-16 06:50:38,218 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2021-04-16 06:50:38,824 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 48 [2021-04-16 06:50:39,700 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 41 [2021-04-16 06:50:40,358 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2021-04-16 06:50:40,966 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2021-04-16 06:50:41,593 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2021-04-16 06:50:42,169 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2021-04-16 06:50:42,675 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2021-04-16 06:50:43,157 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 41 [2021-04-16 06:50:43,685 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 41 [2021-04-16 06:50:44,203 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2021-04-16 06:50:44,725 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2021-04-16 06:50:45,226 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2021-04-16 06:50:45,838 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2021-04-16 06:50:47,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:50:47,837 INFO L93 Difference]: Finished difference Result 395 states and 419 transitions. [2021-04-16 06:50:47,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-04-16 06:50:47,840 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 53 states have (on average 3.150943396226415) internal successors, (167), 52 states have internal predecessors, (167), 15 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Word has length 233 [2021-04-16 06:50:47,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:50:47,842 INFO L225 Difference]: With dead ends: 395 [2021-04-16 06:50:47,842 INFO L226 Difference]: Without dead ends: 261 [2021-04-16 06:50:47,843 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 42 SyntacticMatches, 28 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3878 ImplicationChecksByTransitivity, 23135.6ms TimeCoverageRelationStatistics Valid=860, Invalid=12946, Unknown=0, NotChecked=0, Total=13806 [2021-04-16 06:50:47,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2021-04-16 06:50:47,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 250. [2021-04-16 06:50:47,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 217 states have (on average 1.0184331797235022) internal successors, (221), 217 states have internal predecessors, (221), 17 states have call successors, (17), 17 states have call predecessors, (17), 15 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2021-04-16 06:50:47,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 254 transitions. [2021-04-16 06:50:47,931 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 254 transitions. Word has length 233 [2021-04-16 06:50:47,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:50:47,931 INFO L480 AbstractCegarLoop]: Abstraction has 250 states and 254 transitions. [2021-04-16 06:50:47,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 54 states, 53 states have (on average 3.150943396226415) internal successors, (167), 52 states have internal predecessors, (167), 15 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2021-04-16 06:50:47,931 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 254 transitions. [2021-04-16 06:50:47,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-04-16 06:50:47,932 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:50:47,932 INFO L519 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:50:47,932 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-04-16 06:50:47,932 INFO L428 AbstractCegarLoop]: === Iteration 43 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:50:47,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:50:47,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1832842357, now seen corresponding path program 40 times [2021-04-16 06:50:47,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:50:47,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [965875320] [2021-04-16 06:50:47,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:50:47,941 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:50:47,942 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:50:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:50:49,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:49,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:50:49,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:50:49,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-16 06:50:49,988 INFO L142 QuantifierPusher]: treesize reduction 37, result has 50.0 percent of original size [2021-04-16 06:50:49,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-16 06:50:50,107 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 22 [2021-04-16 06:50:50,110 INFO L142 QuantifierPusher]: treesize reduction 37, result has 50.0 percent of original size [2021-04-16 06:50:50,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-16 06:50:50,231 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 22 [2021-04-16 06:50:50,233 INFO L142 QuantifierPusher]: treesize reduction 37, result has 50.0 percent of original size [2021-04-16 06:50:50,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-16 06:50:50,337 INFO L142 QuantifierPusher]: treesize reduction 37, result has 50.0 percent of original size [2021-04-16 06:50:50,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-16 06:50:50,450 INFO L142 QuantifierPusher]: treesize reduction 37, result has 50.0 percent of original size [2021-04-16 06:50:50,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-16 06:50:50,576 INFO L142 QuantifierPusher]: treesize reduction 37, result has 50.0 percent of original size [2021-04-16 06:50:50,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-16 06:50:50,687 INFO L142 QuantifierPusher]: treesize reduction 37, result has 50.0 percent of original size [2021-04-16 06:50:50,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-16 06:50:50,810 INFO L142 QuantifierPusher]: treesize reduction 37, result has 50.0 percent of original size [2021-04-16 06:50:50,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-16 06:50:50,927 INFO L142 QuantifierPusher]: treesize reduction 37, result has 50.0 percent of original size [2021-04-16 06:50:50,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-16 06:50:51,036 INFO L142 QuantifierPusher]: treesize reduction 37, result has 50.0 percent of original size [2021-04-16 06:50:51,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-16 06:50:51,166 INFO L142 QuantifierPusher]: treesize reduction 37, result has 50.0 percent of original size [2021-04-16 06:50:51,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-16 06:50:51,291 INFO L142 QuantifierPusher]: treesize reduction 37, result has 50.0 percent of original size [2021-04-16 06:50:51,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-16 06:50:51,415 INFO L142 QuantifierPusher]: treesize reduction 37, result has 50.0 percent of original size [2021-04-16 06:50:51,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-16 06:50:51,567 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 22 [2021-04-16 06:50:51,569 INFO L142 QuantifierPusher]: treesize reduction 43, result has 66.9 percent of original size [2021-04-16 06:50:51,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-16 06:50:51,789 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 22 [2021-04-16 06:50:51,792 INFO L142 QuantifierPusher]: treesize reduction 191, result has 40.3 percent of original size [2021-04-16 06:50:51,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-04-16 06:50:51,893 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.4 percent of original size [2021-04-16 06:50:51,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-04-16 06:50:52,154 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2021-04-16 06:50:52,156 INFO L142 QuantifierPusher]: treesize reduction 11, result has 82.3 percent of original size [2021-04-16 06:50:52,157 INFO L147 QuantifierPusher]: treesize reduction 11, result has 78.4 percent of original size 40 [2021-04-16 06:50:52,330 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 26 [2021-04-16 06:50:52,332 INFO L142 QuantifierPusher]: treesize reduction 11, result has 83.1 percent of original size [2021-04-16 06:50:52,333 INFO L147 QuantifierPusher]: treesize reduction 11, result has 79.6 percent of original size 43 [2021-04-16 06:50:52,520 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2021-04-16 06:50:52,523 INFO L142 QuantifierPusher]: treesize reduction 11, result has 83.1 percent of original size [2021-04-16 06:50:52,524 INFO L147 QuantifierPusher]: treesize reduction 11, result has 79.6 percent of original size 43 [2021-04-16 06:50:52,526 INFO L142 QuantifierPusher]: treesize reduction 57, result has 61.0 percent of original size [2021-04-16 06:50:52,528 INFO L147 QuantifierPusher]: treesize reduction 11, result has 87.6 percent of original size 78 [2021-04-16 06:50:52,777 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2021-04-16 06:50:52,779 INFO L142 QuantifierPusher]: treesize reduction 57, result has 61.0 percent of original size [2021-04-16 06:50:52,781 INFO L147 QuantifierPusher]: treesize reduction 11, result has 87.6 percent of original size 78 [2021-04-16 06:50:52,782 INFO L142 QuantifierPusher]: treesize reduction 68, result has 53.4 percent of original size [2021-04-16 06:50:52,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-04-16 06:50:53,022 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2021-04-16 06:50:53,025 INFO L142 QuantifierPusher]: treesize reduction 68, result has 53.4 percent of original size [2021-04-16 06:50:53,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-04-16 06:50:53,028 INFO L142 QuantifierPusher]: treesize reduction 57, result has 61.0 percent of original size [2021-04-16 06:50:53,029 INFO L147 QuantifierPusher]: treesize reduction 11, result has 87.6 percent of original size 78 [2021-04-16 06:50:53,266 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2021-04-16 06:50:53,269 INFO L142 QuantifierPusher]: treesize reduction 57, result has 61.0 percent of original size [2021-04-16 06:50:53,270 INFO L147 QuantifierPusher]: treesize reduction 11, result has 87.6 percent of original size 78 [2021-04-16 06:50:53,272 INFO L142 QuantifierPusher]: treesize reduction 47, result has 69.3 percent of original size [2021-04-16 06:50:53,274 INFO L147 QuantifierPusher]: treesize reduction 11, result has 89.6 percent of original size 95 [2021-04-16 06:50:53,574 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2021-04-16 06:50:53,579 INFO L142 QuantifierPusher]: treesize reduction 49, result has 63.4 percent of original size [2021-04-16 06:50:53,580 INFO L147 QuantifierPusher]: treesize reduction 11, result has 87.1 percent of original size 74 [2021-04-16 06:50:53,692 INFO L142 QuantifierPusher]: treesize reduction 26, result has 73.7 percent of original size [2021-04-16 06:50:53,693 INFO L147 QuantifierPusher]: treesize reduction 11, result has 84.9 percent of original size 62 [2021-04-16 06:50:53,907 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 34 [2021-04-16 06:50:53,910 INFO L142 QuantifierPusher]: treesize reduction 26, result has 73.7 percent of original size [2021-04-16 06:50:53,911 INFO L147 QuantifierPusher]: treesize reduction 11, result has 84.9 percent of original size 62 [2021-04-16 06:50:53,913 INFO L142 QuantifierPusher]: treesize reduction 26, result has 73.7 percent of original size [2021-04-16 06:50:53,914 INFO L147 QuantifierPusher]: treesize reduction 11, result has 84.9 percent of original size 62 [2021-04-16 06:50:54,145 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 34 [2021-04-16 06:50:54,148 INFO L142 QuantifierPusher]: treesize reduction 26, result has 73.7 percent of original size [2021-04-16 06:50:54,149 INFO L147 QuantifierPusher]: treesize reduction 11, result has 84.9 percent of original size 62 [2021-04-16 06:50:54,151 INFO L142 QuantifierPusher]: treesize reduction 37, result has 62.6 percent of original size [2021-04-16 06:50:54,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-04-16 06:50:54,393 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2021-04-16 06:50:54,396 INFO L142 QuantifierPusher]: treesize reduction 37, result has 62.6 percent of original size [2021-04-16 06:50:54,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-04-16 06:50:54,399 INFO L142 QuantifierPusher]: treesize reduction 26, result has 73.7 percent of original size [2021-04-16 06:50:54,401 INFO L147 QuantifierPusher]: treesize reduction 11, result has 84.9 percent of original size 62 [2021-04-16 06:50:54,630 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 34 [2021-04-16 06:50:54,633 INFO L142 QuantifierPusher]: treesize reduction 26, result has 73.7 percent of original size [2021-04-16 06:50:54,635 INFO L147 QuantifierPusher]: treesize reduction 11, result has 84.9 percent of original size 62 [2021-04-16 06:50:54,636 INFO L142 QuantifierPusher]: treesize reduction 37, result has 62.6 percent of original size [2021-04-16 06:50:54,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-04-16 06:50:54,885 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2021-04-16 06:50:54,888 INFO L142 QuantifierPusher]: treesize reduction 37, result has 62.6 percent of original size [2021-04-16 06:50:54,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-04-16 06:50:54,891 INFO L142 QuantifierPusher]: treesize reduction 26, result has 73.7 percent of original size [2021-04-16 06:50:54,893 INFO L147 QuantifierPusher]: treesize reduction 11, result has 84.9 percent of original size 62 [2021-04-16 06:50:55,191 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 34 [2021-04-16 06:50:55,194 INFO L142 QuantifierPusher]: treesize reduction 26, result has 73.7 percent of original size [2021-04-16 06:50:55,196 INFO L147 QuantifierPusher]: treesize reduction 11, result has 84.9 percent of original size 62 [2021-04-16 06:50:55,198 INFO L142 QuantifierPusher]: treesize reduction 26, result has 73.7 percent of original size [2021-04-16 06:50:55,199 INFO L147 QuantifierPusher]: treesize reduction 11, result has 84.9 percent of original size 62 [2021-04-16 06:50:55,466 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 34 [2021-04-16 06:50:55,468 INFO L142 QuantifierPusher]: treesize reduction 26, result has 73.7 percent of original size [2021-04-16 06:50:55,470 INFO L147 QuantifierPusher]: treesize reduction 11, result has 84.9 percent of original size 62 [2021-04-16 06:50:55,471 INFO L142 QuantifierPusher]: treesize reduction 27, result has 77.3 percent of original size [2021-04-16 06:50:55,473 INFO L147 QuantifierPusher]: treesize reduction 10, result has 89.1 percent of original size 82 [2021-04-16 06:50:55,737 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 36 [2021-04-16 06:50:55,740 INFO L142 QuantifierPusher]: treesize reduction 64, result has 44.3 percent of original size [2021-04-16 06:50:55,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-16 06:50:55,918 INFO L142 QuantifierPusher]: treesize reduction 41, result has 43.1 percent of original size [2021-04-16 06:50:55,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-16 06:50:56,056 INFO L142 QuantifierPusher]: treesize reduction 41, result has 43.1 percent of original size [2021-04-16 06:50:56,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-16 06:50:56,059 INFO L142 QuantifierPusher]: treesize reduction 41, result has 39.7 percent of original size [2021-04-16 06:50:56,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-16 06:50:56,193 INFO L142 QuantifierPusher]: treesize reduction 41, result has 42.3 percent of original size [2021-04-16 06:50:56,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-16 06:50:56,336 INFO L142 QuantifierPusher]: treesize reduction 41, result has 42.3 percent of original size [2021-04-16 06:50:56,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-16 06:50:56,339 INFO L142 QuantifierPusher]: treesize reduction 52, result has 58.7 percent of original size [2021-04-16 06:50:56,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-04-16 06:50:56,526 INFO L142 QuantifierPusher]: treesize reduction 52, result has 58.7 percent of original size [2021-04-16 06:50:56,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-04-16 06:50:56,529 INFO L142 QuantifierPusher]: treesize reduction 52, result has 58.7 percent of original size [2021-04-16 06:50:56,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-04-16 06:50:56,710 INFO L142 QuantifierPusher]: treesize reduction 52, result has 58.7 percent of original size [2021-04-16 06:50:56,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-04-16 06:50:56,713 INFO L142 QuantifierPusher]: treesize reduction 52, result has 58.7 percent of original size [2021-04-16 06:50:56,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-04-16 06:50:56,890 INFO L142 QuantifierPusher]: treesize reduction 52, result has 58.7 percent of original size [2021-04-16 06:50:56,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-04-16 06:50:56,893 INFO L142 QuantifierPusher]: treesize reduction 52, result has 58.7 percent of original size [2021-04-16 06:50:56,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-04-16 06:50:57,069 INFO L142 QuantifierPusher]: treesize reduction 52, result has 58.7 percent of original size [2021-04-16 06:50:57,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-04-16 06:50:57,072 INFO L142 QuantifierPusher]: treesize reduction 52, result has 58.7 percent of original size [2021-04-16 06:50:57,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-04-16 06:50:57,276 INFO L142 QuantifierPusher]: treesize reduction 52, result has 58.7 percent of original size [2021-04-16 06:50:57,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-04-16 06:50:57,280 INFO L142 QuantifierPusher]: treesize reduction 52, result has 58.7 percent of original size [2021-04-16 06:50:57,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-04-16 06:50:57,467 INFO L142 QuantifierPusher]: treesize reduction 52, result has 58.7 percent of original size [2021-04-16 06:50:57,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-04-16 06:50:57,470 INFO L142 QuantifierPusher]: treesize reduction 52, result has 58.7 percent of original size [2021-04-16 06:50:57,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-04-16 06:50:57,656 INFO L142 QuantifierPusher]: treesize reduction 52, result has 58.7 percent of original size [2021-04-16 06:50:57,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-04-16 06:50:57,659 INFO L142 QuantifierPusher]: treesize reduction 52, result has 58.7 percent of original size [2021-04-16 06:50:57,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-04-16 06:50:57,855 INFO L142 QuantifierPusher]: treesize reduction 52, result has 58.7 percent of original size [2021-04-16 06:50:57,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-04-16 06:50:57,859 INFO L142 QuantifierPusher]: treesize reduction 123, result has 43.6 percent of original size [2021-04-16 06:50:57,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-04-16 06:50:58,101 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 20 [2021-04-16 06:50:58,105 INFO L142 QuantifierPusher]: treesize reduction 114, result has 47.2 percent of original size [2021-04-16 06:50:58,106 INFO L147 QuantifierPusher]: treesize reduction 9, result has 91.2 percent of original size 93 [2021-04-16 06:50:58,231 INFO L142 QuantifierPusher]: treesize reduction 49, result has 60.2 percent of original size [2021-04-16 06:50:58,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-04-16 06:50:58,438 INFO L142 QuantifierPusher]: treesize reduction 49, result has 60.2 percent of original size [2021-04-16 06:50:58,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-04-16 06:50:58,442 INFO L142 QuantifierPusher]: treesize reduction 49, result has 60.2 percent of original size [2021-04-16 06:50:58,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-04-16 06:50:58,648 INFO L142 QuantifierPusher]: treesize reduction 49, result has 60.2 percent of original size [2021-04-16 06:50:58,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-04-16 06:50:58,651 INFO L142 QuantifierPusher]: treesize reduction 49, result has 60.2 percent of original size [2021-04-16 06:50:58,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-04-16 06:50:58,859 INFO L142 QuantifierPusher]: treesize reduction 49, result has 60.2 percent of original size [2021-04-16 06:50:58,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-04-16 06:50:58,862 INFO L142 QuantifierPusher]: treesize reduction 49, result has 60.2 percent of original size [2021-04-16 06:50:58,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-04-16 06:50:59,061 INFO L142 QuantifierPusher]: treesize reduction 49, result has 60.2 percent of original size [2021-04-16 06:50:59,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-04-16 06:50:59,066 INFO L142 QuantifierPusher]: treesize reduction 85, result has 86.1 percent of original size [2021-04-16 06:50:59,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 525 [2021-04-16 06:50:59,671 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 34 [2021-04-16 06:50:59,674 INFO L142 QuantifierPusher]: treesize reduction 96, result has 75.1 percent of original size [2021-04-16 06:50:59,676 INFO L147 QuantifierPusher]: treesize reduction 9, result has 96.9 percent of original size 280 [2021-04-16 06:51:00,241 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 48 [2021-04-16 06:51:00,244 INFO L142 QuantifierPusher]: treesize reduction 41, result has 63.4 percent of original size [2021-04-16 06:51:00,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-04-16 06:51:00,475 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 27 [2021-04-16 06:51:00,478 INFO L142 QuantifierPusher]: treesize reduction 41, result has 64.3 percent of original size [2021-04-16 06:51:00,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-04-16 06:51:00,727 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 29 [2021-04-16 06:51:00,730 INFO L142 QuantifierPusher]: treesize reduction 41, result has 67.7 percent of original size [2021-04-16 06:51:00,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-04-16 06:51:00,994 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 33 [2021-04-16 06:51:00,997 INFO L142 QuantifierPusher]: treesize reduction 41, result has 67.7 percent of original size [2021-04-16 06:51:00,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-04-16 06:51:01,263 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 33 [2021-04-16 06:51:01,266 INFO L142 QuantifierPusher]: treesize reduction 41, result has 67.7 percent of original size [2021-04-16 06:51:01,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-04-16 06:51:01,541 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 33 [2021-04-16 06:51:01,544 INFO L142 QuantifierPusher]: treesize reduction 41, result has 67.7 percent of original size [2021-04-16 06:51:01,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-04-16 06:51:01,810 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 32 [2021-04-16 06:51:01,813 INFO L142 QuantifierPusher]: treesize reduction 41, result has 67.7 percent of original size [2021-04-16 06:51:01,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-04-16 06:51:02,102 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 33 [2021-04-16 06:51:02,105 INFO L142 QuantifierPusher]: treesize reduction 41, result has 67.7 percent of original size [2021-04-16 06:51:02,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-04-16 06:51:02,387 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 33 [2021-04-16 06:51:02,389 INFO L142 QuantifierPusher]: treesize reduction 41, result has 67.7 percent of original size [2021-04-16 06:51:02,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-04-16 06:51:02,681 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 33 [2021-04-16 06:51:02,684 INFO L142 QuantifierPusher]: treesize reduction 41, result has 67.7 percent of original size [2021-04-16 06:51:02,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-04-16 06:51:02,959 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 33 [2021-04-16 06:51:02,962 INFO L142 QuantifierPusher]: treesize reduction 41, result has 67.7 percent of original size [2021-04-16 06:51:02,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-04-16 06:51:03,258 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 33 [2021-04-16 06:51:03,261 INFO L142 QuantifierPusher]: treesize reduction 41, result has 67.7 percent of original size [2021-04-16 06:51:03,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-04-16 06:51:03,585 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 33 [2021-04-16 06:51:03,588 INFO L142 QuantifierPusher]: treesize reduction 41, result has 67.7 percent of original size [2021-04-16 06:51:03,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-04-16 06:51:03,883 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 33 [2021-04-16 06:51:03,885 INFO L142 QuantifierPusher]: treesize reduction 41, result has 67.7 percent of original size [2021-04-16 06:51:03,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-04-16 06:51:04,190 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 33 [2021-04-16 06:51:04,193 INFO L142 QuantifierPusher]: treesize reduction 41, result has 67.7 percent of original size [2021-04-16 06:51:04,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-04-16 06:51:04,532 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 32 [2021-04-16 06:51:04,536 INFO L142 QuantifierPusher]: treesize reduction 59, result has 87.8 percent of original size [2021-04-16 06:51:04,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 425 [2021-04-16 06:51:05,184 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 42 [2021-04-16 06:51:05,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:05,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 06:51:05,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:05,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:51:05,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:05,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:51:05,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:05,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:51:05,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:51:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:51:05,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:05,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:51:05,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-04-16 06:51:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:51:05,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:05,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:51:05,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-04-16 06:51:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:51:05,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:05,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:51:05,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-04-16 06:51:05,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:51:05,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:05,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:51:05,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-04-16 06:51:05,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:51:05,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:05,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:51:05,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-04-16 06:51:05,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:51:05,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:05,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:51:05,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-04-16 06:51:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:51:05,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:05,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:51:05,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-04-16 06:51:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:51:05,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:05,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:51:05,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-04-16 06:51:05,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:51:05,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:05,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:51:05,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-04-16 06:51:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:51:05,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:05,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:51:05,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-04-16 06:51:05,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:51:05,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:05,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:51:05,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-04-16 06:51:05,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:51:05,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:05,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:51:05,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-04-16 06:51:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:51:05,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:05,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:51:05,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-04-16 06:51:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:51:05,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:05,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:51:05,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-04-16 06:51:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:51:05,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:05,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:51:05,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:51:05,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [965875320] [2021-04-16 06:51:05,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:51:05,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [71] imperfect sequences [] total 71 [2021-04-16 06:51:05,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813943162] [2021-04-16 06:51:05,726 INFO L460 AbstractCegarLoop]: Interpolant automaton has 71 states [2021-04-16 06:51:05,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:51:05,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2021-04-16 06:51:05,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=404, Invalid=4566, Unknown=0, NotChecked=0, Total=4970 [2021-04-16 06:51:05,727 INFO L87 Difference]: Start difference. First operand 250 states and 254 transitions. Second operand has 71 states, 70 states have (on average 2.5428571428571427) internal successors, (178), 69 states have internal predecessors, (178), 16 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2021-04-16 06:51:08,374 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2021-04-16 06:51:12,910 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2021-04-16 06:51:13,293 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2021-04-16 06:51:13,727 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2021-04-16 06:51:14,161 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2021-04-16 06:51:14,729 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2021-04-16 06:51:15,411 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 45 [2021-04-16 06:51:16,098 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 45 [2021-04-16 06:51:16,338 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2021-04-16 06:51:16,784 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 45 [2021-04-16 06:51:17,008 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2021-04-16 06:51:17,465 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 45 [2021-04-16 06:51:17,693 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2021-04-16 06:51:18,122 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 45 [2021-04-16 06:51:18,350 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2021-04-16 06:51:18,781 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 45 [2021-04-16 06:51:19,366 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 45 [2021-04-16 06:51:19,584 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2021-04-16 06:51:19,958 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2021-04-16 06:51:20,557 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2021-04-16 06:51:21,151 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2021-04-16 06:51:21,362 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2021-04-16 06:51:22,171 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2021-04-16 06:51:22,923 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2021-04-16 06:51:23,216 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2021-04-16 06:51:23,638 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2021-04-16 06:51:24,201 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-04-16 06:51:24,809 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2021-04-16 06:51:25,248 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-04-16 06:51:25,648 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2021-04-16 06:51:26,149 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 41 [2021-04-16 06:51:26,680 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 41 [2021-04-16 06:51:27,225 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 41 [2021-04-16 06:51:27,745 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 41 [2021-04-16 06:51:28,263 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 41 [2021-04-16 06:51:28,770 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 41 [2021-04-16 06:51:29,243 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2021-04-16 06:51:30,669 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2021-04-16 06:51:35,471 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2021-04-16 06:51:35,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:51:35,872 INFO L93 Difference]: Finished difference Result 437 states and 466 transitions. [2021-04-16 06:51:35,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-04-16 06:51:35,876 INFO L78 Accepts]: Start accepts. Automaton has has 71 states, 70 states have (on average 2.5428571428571427) internal successors, (178), 69 states have internal predecessors, (178), 16 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Word has length 249 [2021-04-16 06:51:35,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:51:35,878 INFO L225 Difference]: With dead ends: 437 [2021-04-16 06:51:35,878 INFO L226 Difference]: Without dead ends: 435 [2021-04-16 06:51:35,879 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 56 SyntacticMatches, 3 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6673 ImplicationChecksByTransitivity, 31409.8ms TimeCoverageRelationStatistics Valid=1718, Invalid=20932, Unknown=0, NotChecked=0, Total=22650 [2021-04-16 06:51:35,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2021-04-16 06:51:35,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 258. [2021-04-16 06:51:35,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 223 states have (on average 1.0179372197309418) internal successors, (227), 223 states have internal predecessors, (227), 18 states have call successors, (18), 18 states have call predecessors, (18), 16 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2021-04-16 06:51:35,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 262 transitions. [2021-04-16 06:51:35,974 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 262 transitions. Word has length 249 [2021-04-16 06:51:35,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:51:35,974 INFO L480 AbstractCegarLoop]: Abstraction has 258 states and 262 transitions. [2021-04-16 06:51:35,974 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 71 states, 70 states have (on average 2.5428571428571427) internal successors, (178), 69 states have internal predecessors, (178), 16 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2021-04-16 06:51:35,974 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 262 transitions. [2021-04-16 06:51:35,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-04-16 06:51:35,975 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:51:35,975 INFO L519 BasicCegarLoop]: trace histogram [16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:51:35,975 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-04-16 06:51:35,975 INFO L428 AbstractCegarLoop]: === Iteration 44 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:51:35,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:51:35,975 INFO L82 PathProgramCache]: Analyzing trace with hash -109787547, now seen corresponding path program 41 times [2021-04-16 06:51:35,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:51:35,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [288293367] [2021-04-16 06:51:35,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:51:35,985 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:51:35,986 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:51:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:51:36,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:36,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:51:36,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:36,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 06:51:36,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:36,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:51:36,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:36,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:51:36,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:36,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:51:36,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:36,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:51:36,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:36,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:51:36,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:36,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:51:36,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:36,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:51:36,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:36,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:51:36,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:36,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:51:36,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:36,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:51:36,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:36,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:51:36,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:36,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:51:36,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:36,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:51:36,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:36,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:51:36,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:36,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:51:36,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:36,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:51:36,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:36,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:51:36,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:36,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:51:37,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:37,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:51:37,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:37,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:51:37,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:37,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:51:37,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:37,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:51:37,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:37,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:51:37,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:37,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:51:37,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:37,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:51:37,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:37,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:51:38,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:38,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:51:38,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:38,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:51:38,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:38,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:51:38,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:38,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:51:38,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:38,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:51:38,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:38,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-16 06:51:39,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:39,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:51:39,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:51:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:51:39,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:39,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:51:39,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-04-16 06:51:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:51:39,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:39,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:51:39,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-04-16 06:51:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:51:39,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:39,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:51:39,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-04-16 06:51:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:51:39,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:39,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:51:39,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-04-16 06:51:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:51:39,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:39,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:51:39,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-04-16 06:51:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:51:39,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:39,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:51:39,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-04-16 06:51:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:51:39,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:39,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:51:39,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-04-16 06:51:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:51:39,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:39,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:51:39,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-04-16 06:51:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:51:39,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:39,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:51:39,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-04-16 06:51:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:51:39,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:39,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:51:39,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-04-16 06:51:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:51:39,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:39,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:51:39,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-04-16 06:51:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:51:39,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:39,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:51:39,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-04-16 06:51:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:51:39,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:39,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:51:39,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-04-16 06:51:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:51:39,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:39,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:51:39,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-04-16 06:51:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:51:39,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:39,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:51:39,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-04-16 06:51:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:51:39,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:51:39,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:51:39,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:51:39,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [288293367] [2021-04-16 06:51:39,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:51:39,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2021-04-16 06:51:39,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280906979] [2021-04-16 06:51:39,370 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-04-16 06:51:39,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:51:39,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-04-16 06:51:39,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=1189, Unknown=0, NotChecked=0, Total=1260 [2021-04-16 06:51:39,371 INFO L87 Difference]: Start difference. First operand 258 states and 262 transitions. Second operand has 36 states, 36 states have (on average 3.0833333333333335) internal successors, (111), 35 states have internal predecessors, (111), 17 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2021-04-16 06:51:42,174 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 14 [2021-04-16 06:51:45,092 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 18 [2021-04-16 06:51:46,325 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 16 [2021-04-16 06:51:46,717 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 18 [2021-04-16 06:51:47,219 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 16 [2021-04-16 06:51:47,693 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 18 [2021-04-16 06:51:58,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:51:58,982 INFO L93 Difference]: Finished difference Result 580 states and 608 transitions. [2021-04-16 06:51:58,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-04-16 06:51:58,986 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 3.0833333333333335) internal successors, (111), 35 states have internal predecessors, (111), 17 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Word has length 257 [2021-04-16 06:51:58,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:51:58,987 INFO L225 Difference]: With dead ends: 580 [2021-04-16 06:51:58,988 INFO L226 Difference]: Without dead ends: 277 [2021-04-16 06:51:58,988 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 5631.9ms TimeCoverageRelationStatistics Valid=251, Invalid=2299, Unknown=0, NotChecked=0, Total=2550 [2021-04-16 06:51:58,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2021-04-16 06:51:59,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 266. [2021-04-16 06:51:59,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 231 states have (on average 1.0173160173160174) internal successors, (235), 231 states have internal predecessors, (235), 18 states have call successors, (18), 18 states have call predecessors, (18), 16 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2021-04-16 06:51:59,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 270 transitions. [2021-04-16 06:51:59,100 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 270 transitions. Word has length 257 [2021-04-16 06:51:59,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:51:59,101 INFO L480 AbstractCegarLoop]: Abstraction has 266 states and 270 transitions. [2021-04-16 06:51:59,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 3.0833333333333335) internal successors, (111), 35 states have internal predecessors, (111), 17 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2021-04-16 06:51:59,101 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 270 transitions. [2021-04-16 06:51:59,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-04-16 06:51:59,102 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:51:59,102 INFO L519 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:51:59,102 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-04-16 06:51:59,102 INFO L428 AbstractCegarLoop]: === Iteration 45 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:51:59,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:51:59,102 INFO L82 PathProgramCache]: Analyzing trace with hash 669417501, now seen corresponding path program 42 times [2021-04-16 06:51:59,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:51:59,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [72061778] [2021-04-16 06:51:59,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:51:59,116 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:51:59,117 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:52:02,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:52:02,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:52:02,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:52:02,597 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-16 06:52:02,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-16 06:52:02,667 INFO L142 QuantifierPusher]: treesize reduction 32, result has 54.9 percent of original size [2021-04-16 06:52:02,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-16 06:52:02,743 INFO L142 QuantifierPusher]: treesize reduction 27, result has 65.4 percent of original size [2021-04-16 06:52:02,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-16 06:52:02,763 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-04-16 06:52:02,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-16 06:52:02,852 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-04-16 06:52:02,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-16 06:52:02,942 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-04-16 06:52:02,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-16 06:52:03,038 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-04-16 06:52:03,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-16 06:52:03,141 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-04-16 06:52:03,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-16 06:52:03,243 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-04-16 06:52:03,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-16 06:52:03,376 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-04-16 06:52:03,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-16 06:52:03,520 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-04-16 06:52:03,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-16 06:52:03,654 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-04-16 06:52:03,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-16 06:52:03,780 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-04-16 06:52:03,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-16 06:52:03,918 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-04-16 06:52:03,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-16 06:52:04,065 INFO L142 QuantifierPusher]: treesize reduction 58, result has 40.2 percent of original size [2021-04-16 06:52:04,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-16 06:52:04,223 INFO L142 QuantifierPusher]: treesize reduction 122, result has 44.5 percent of original size [2021-04-16 06:52:04,225 INFO L147 QuantifierPusher]: treesize reduction 33, result has 66.3 percent of original size 65 [2021-04-16 06:52:04,365 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-04-16 06:52:04,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-16 06:52:04,534 INFO L142 QuantifierPusher]: treesize reduction 25, result has 64.8 percent of original size [2021-04-16 06:52:04,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-04-16 06:52:04,814 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2021-04-16 06:52:04,818 INFO L142 QuantifierPusher]: treesize reduction 101, result has 56.5 percent of original size [2021-04-16 06:52:04,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-04-16 06:52:05,359 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2021-04-16 06:52:05,364 INFO L142 QuantifierPusher]: treesize reduction 93, result has 76.8 percent of original size [2021-04-16 06:52:05,368 INFO L147 QuantifierPusher]: treesize reduction 39, result has 87.3 percent of original size 269 [2021-04-16 06:52:06,245 WARN L205 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 56 [2021-04-16 06:52:06,252 INFO L142 QuantifierPusher]: treesize reduction 130, result has 62.2 percent of original size [2021-04-16 06:52:06,255 INFO L147 QuantifierPusher]: treesize reduction 9, result has 95.8 percent of original size 205 [2021-04-16 06:52:06,716 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 48 [2021-04-16 06:52:06,721 INFO L142 QuantifierPusher]: treesize reduction 119, result has 65.7 percent of original size [2021-04-16 06:52:06,723 INFO L147 QuantifierPusher]: treesize reduction 11, result has 95.2 percent of original size 217 [2021-04-16 06:52:07,393 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 51 [2021-04-16 06:52:07,398 INFO L142 QuantifierPusher]: treesize reduction 119, result has 65.7 percent of original size [2021-04-16 06:52:07,400 INFO L147 QuantifierPusher]: treesize reduction 11, result has 95.2 percent of original size 217 [2021-04-16 06:52:07,404 INFO L142 QuantifierPusher]: treesize reduction 199, result has 55.9 percent of original size [2021-04-16 06:52:07,407 INFO L147 QuantifierPusher]: treesize reduction 35, result has 86.1 percent of original size 217 [2021-04-16 06:52:07,959 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 43 [2021-04-16 06:52:07,964 INFO L142 QuantifierPusher]: treesize reduction 217, result has 51.5 percent of original size [2021-04-16 06:52:07,969 INFO L147 QuantifierPusher]: treesize reduction 44, result has 80.9 percent of original size 186 [2021-04-16 06:52:08,215 INFO L142 QuantifierPusher]: treesize reduction 184, result has 51.5 percent of original size [2021-04-16 06:52:08,218 INFO L147 QuantifierPusher]: treesize reduction 39, result has 80.0 percent of original size 156 [2021-04-16 06:52:08,628 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 44 [2021-04-16 06:52:08,632 INFO L142 QuantifierPusher]: treesize reduction 184, result has 51.5 percent of original size [2021-04-16 06:52:08,634 INFO L147 QuantifierPusher]: treesize reduction 39, result has 80.0 percent of original size 156 [2021-04-16 06:52:08,638 INFO L142 QuantifierPusher]: treesize reduction 214, result has 43.5 percent of original size [2021-04-16 06:52:08,639 INFO L147 QuantifierPusher]: treesize reduction 9, result has 94.5 percent of original size 156 [2021-04-16 06:52:08,956 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 40 [2021-04-16 06:52:08,961 INFO L142 QuantifierPusher]: treesize reduction 214, result has 43.5 percent of original size [2021-04-16 06:52:08,963 INFO L147 QuantifierPusher]: treesize reduction 9, result has 94.5 percent of original size 156 [2021-04-16 06:52:08,966 INFO L142 QuantifierPusher]: treesize reduction 184, result has 51.5 percent of original size [2021-04-16 06:52:08,968 INFO L147 QuantifierPusher]: treesize reduction 39, result has 80.0 percent of original size 156 [2021-04-16 06:52:09,315 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2021-04-16 06:52:09,320 INFO L142 QuantifierPusher]: treesize reduction 184, result has 51.5 percent of original size [2021-04-16 06:52:09,322 INFO L147 QuantifierPusher]: treesize reduction 39, result has 80.0 percent of original size 156 [2021-04-16 06:52:09,325 INFO L142 QuantifierPusher]: treesize reduction 184, result has 51.5 percent of original size [2021-04-16 06:52:09,327 INFO L147 QuantifierPusher]: treesize reduction 39, result has 80.0 percent of original size 156 [2021-04-16 06:52:09,751 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 44 [2021-04-16 06:52:09,760 INFO L142 QuantifierPusher]: treesize reduction 184, result has 51.5 percent of original size [2021-04-16 06:52:09,762 INFO L147 QuantifierPusher]: treesize reduction 39, result has 80.0 percent of original size 156 [2021-04-16 06:52:09,765 INFO L142 QuantifierPusher]: treesize reduction 184, result has 51.5 percent of original size [2021-04-16 06:52:09,767 INFO L147 QuantifierPusher]: treesize reduction 39, result has 80.0 percent of original size 156 [2021-04-16 06:52:10,131 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 40 [2021-04-16 06:52:10,141 INFO L142 QuantifierPusher]: treesize reduction 184, result has 51.5 percent of original size [2021-04-16 06:52:10,144 INFO L147 QuantifierPusher]: treesize reduction 39, result has 80.0 percent of original size 156 [2021-04-16 06:52:10,147 INFO L142 QuantifierPusher]: treesize reduction 184, result has 51.5 percent of original size [2021-04-16 06:52:10,149 INFO L147 QuantifierPusher]: treesize reduction 39, result has 80.0 percent of original size 156 [2021-04-16 06:52:10,542 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 40 [2021-04-16 06:52:10,546 INFO L142 QuantifierPusher]: treesize reduction 184, result has 51.5 percent of original size [2021-04-16 06:52:10,549 INFO L147 QuantifierPusher]: treesize reduction 39, result has 80.0 percent of original size 156 [2021-04-16 06:52:10,552 INFO L142 QuantifierPusher]: treesize reduction 214, result has 43.5 percent of original size [2021-04-16 06:52:10,554 INFO L147 QuantifierPusher]: treesize reduction 9, result has 94.5 percent of original size 156 [2021-04-16 06:52:10,926 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 39 [2021-04-16 06:52:10,930 INFO L142 QuantifierPusher]: treesize reduction 214, result has 43.5 percent of original size [2021-04-16 06:52:10,932 INFO L147 QuantifierPusher]: treesize reduction 9, result has 94.5 percent of original size 156 [2021-04-16 06:52:10,935 INFO L142 QuantifierPusher]: treesize reduction 214, result has 43.5 percent of original size [2021-04-16 06:52:10,937 INFO L147 QuantifierPusher]: treesize reduction 9, result has 94.5 percent of original size 156 [2021-04-16 06:52:11,375 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 44 [2021-04-16 06:52:11,379 INFO L142 QuantifierPusher]: treesize reduction 214, result has 43.5 percent of original size [2021-04-16 06:52:11,382 INFO L147 QuantifierPusher]: treesize reduction 9, result has 94.5 percent of original size 156 [2021-04-16 06:52:11,385 INFO L142 QuantifierPusher]: treesize reduction 214, result has 43.5 percent of original size [2021-04-16 06:52:11,387 INFO L147 QuantifierPusher]: treesize reduction 9, result has 94.5 percent of original size 156 [2021-04-16 06:52:11,796 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 40 [2021-04-16 06:52:11,800 INFO L142 QuantifierPusher]: treesize reduction 214, result has 43.5 percent of original size [2021-04-16 06:52:11,802 INFO L147 QuantifierPusher]: treesize reduction 9, result has 94.5 percent of original size 156 [2021-04-16 06:52:11,805 INFO L142 QuantifierPusher]: treesize reduction 130, result has 56.5 percent of original size [2021-04-16 06:52:11,807 INFO L147 QuantifierPusher]: treesize reduction 20, result has 88.2 percent of original size 149 [2021-04-16 06:52:12,371 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 46 [2021-04-16 06:52:12,375 INFO L142 QuantifierPusher]: treesize reduction 139, result has 50.2 percent of original size [2021-04-16 06:52:12,377 INFO L147 QuantifierPusher]: treesize reduction 29, result has 79.3 percent of original size 111 [2021-04-16 06:52:12,839 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2021-04-16 06:52:12,842 INFO L142 QuantifierPusher]: treesize reduction 121, result has 38.3 percent of original size [2021-04-16 06:52:12,844 INFO L147 QuantifierPusher]: treesize reduction 9, result has 88.0 percent of original size 66 [2021-04-16 06:52:13,199 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 34 [2021-04-16 06:52:13,203 INFO L142 QuantifierPusher]: treesize reduction 121, result has 38.3 percent of original size [2021-04-16 06:52:13,205 INFO L147 QuantifierPusher]: treesize reduction 9, result has 88.0 percent of original size 66 [2021-04-16 06:52:13,208 INFO L142 QuantifierPusher]: treesize reduction 106, result has 45.9 percent of original size [2021-04-16 06:52:13,210 INFO L147 QuantifierPusher]: treesize reduction 24, result has 73.3 percent of original size 66 [2021-04-16 06:52:13,636 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2021-04-16 06:52:13,641 INFO L142 QuantifierPusher]: treesize reduction 106, result has 45.9 percent of original size [2021-04-16 06:52:13,642 INFO L147 QuantifierPusher]: treesize reduction 24, result has 73.3 percent of original size 66 [2021-04-16 06:52:13,645 INFO L142 QuantifierPusher]: treesize reduction 110, result has 43.9 percent of original size [2021-04-16 06:52:13,646 INFO L147 QuantifierPusher]: treesize reduction 11, result has 87.2 percent of original size 75 [2021-04-16 06:52:14,090 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2021-04-16 06:52:14,094 INFO L142 QuantifierPusher]: treesize reduction 110, result has 43.9 percent of original size [2021-04-16 06:52:14,096 INFO L147 QuantifierPusher]: treesize reduction 11, result has 87.2 percent of original size 75 [2021-04-16 06:52:14,101 INFO L142 QuantifierPusher]: treesize reduction 172, result has 57.5 percent of original size [2021-04-16 06:52:14,104 INFO L147 QuantifierPusher]: treesize reduction 9, result has 96.1 percent of original size 224 [2021-04-16 06:52:14,692 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 41 [2021-04-16 06:52:14,698 INFO L142 QuantifierPusher]: treesize reduction 132, result has 62.0 percent of original size [2021-04-16 06:52:14,701 INFO L147 QuantifierPusher]: treesize reduction 16, result has 92.6 percent of original size 199 [2021-04-16 06:52:15,017 INFO L142 QuantifierPusher]: treesize reduction 128, result has 33.3 percent of original size [2021-04-16 06:52:15,019 INFO L147 QuantifierPusher]: treesize reduction 9, result has 85.9 percent of original size 55 [2021-04-16 06:52:15,145 INFO L142 QuantifierPusher]: treesize reduction 130, result has 34.0 percent of original size [2021-04-16 06:52:15,146 INFO L147 QuantifierPusher]: treesize reduction 9, result has 86.6 percent of original size 58 [2021-04-16 06:52:15,287 INFO L142 QuantifierPusher]: treesize reduction 130, result has 34.0 percent of original size [2021-04-16 06:52:15,288 INFO L147 QuantifierPusher]: treesize reduction 9, result has 86.6 percent of original size 58 [2021-04-16 06:52:15,424 INFO L142 QuantifierPusher]: treesize reduction 129, result has 70.7 percent of original size [2021-04-16 06:52:15,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 311 [2021-04-16 06:52:16,098 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 38 [2021-04-16 06:52:16,103 INFO L142 QuantifierPusher]: treesize reduction 129, result has 70.7 percent of original size [2021-04-16 06:52:16,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 311 [2021-04-16 06:52:16,111 INFO L142 QuantifierPusher]: treesize reduction 129, result has 70.7 percent of original size [2021-04-16 06:52:16,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 311 [2021-04-16 06:52:16,780 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 38 [2021-04-16 06:52:16,786 INFO L142 QuantifierPusher]: treesize reduction 129, result has 70.7 percent of original size [2021-04-16 06:52:16,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 311 [2021-04-16 06:52:16,793 INFO L142 QuantifierPusher]: treesize reduction 129, result has 70.7 percent of original size [2021-04-16 06:52:16,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 311 [2021-04-16 06:52:17,579 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 38 [2021-04-16 06:52:17,584 INFO L142 QuantifierPusher]: treesize reduction 129, result has 70.7 percent of original size [2021-04-16 06:52:17,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 311 [2021-04-16 06:52:17,591 INFO L142 QuantifierPusher]: treesize reduction 129, result has 70.7 percent of original size [2021-04-16 06:52:17,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 311 [2021-04-16 06:52:18,346 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 38 [2021-04-16 06:52:18,351 INFO L142 QuantifierPusher]: treesize reduction 129, result has 70.7 percent of original size [2021-04-16 06:52:18,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 311 [2021-04-16 06:52:18,358 INFO L142 QuantifierPusher]: treesize reduction 129, result has 70.7 percent of original size [2021-04-16 06:52:18,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 311 [2021-04-16 06:52:19,172 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 38 [2021-04-16 06:52:19,177 INFO L142 QuantifierPusher]: treesize reduction 129, result has 70.7 percent of original size [2021-04-16 06:52:19,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 311 [2021-04-16 06:52:19,184 INFO L142 QuantifierPusher]: treesize reduction 129, result has 70.7 percent of original size [2021-04-16 06:52:19,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 311 [2021-04-16 06:52:20,078 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 38 [2021-04-16 06:52:20,083 INFO L142 QuantifierPusher]: treesize reduction 129, result has 70.7 percent of original size [2021-04-16 06:52:20,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 311 [2021-04-16 06:52:20,090 INFO L142 QuantifierPusher]: treesize reduction 129, result has 70.7 percent of original size [2021-04-16 06:52:20,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 311 [2021-04-16 06:52:20,882 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 38 [2021-04-16 06:52:20,886 INFO L142 QuantifierPusher]: treesize reduction 129, result has 70.7 percent of original size [2021-04-16 06:52:20,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 311 [2021-04-16 06:52:20,892 INFO L142 QuantifierPusher]: treesize reduction 129, result has 70.7 percent of original size [2021-04-16 06:52:20,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 311 [2021-04-16 06:52:21,705 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 38 [2021-04-16 06:52:21,710 INFO L142 QuantifierPusher]: treesize reduction 129, result has 70.7 percent of original size [2021-04-16 06:52:21,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 311 [2021-04-16 06:52:21,718 INFO L142 QuantifierPusher]: treesize reduction 129, result has 70.7 percent of original size [2021-04-16 06:52:21,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 311 [2021-04-16 06:52:22,606 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 38 [2021-04-16 06:52:22,611 INFO L142 QuantifierPusher]: treesize reduction 129, result has 70.7 percent of original size [2021-04-16 06:52:22,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 311 [2021-04-16 06:52:22,618 INFO L142 QuantifierPusher]: treesize reduction 120, result has 72.7 percent of original size [2021-04-16 06:52:22,634 INFO L147 QuantifierPusher]: treesize reduction 9, result has 97.2 percent of original size 311 [2021-04-16 06:52:23,495 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 38 [2021-04-16 06:52:23,501 INFO L142 QuantifierPusher]: treesize reduction 120, result has 72.7 percent of original size [2021-04-16 06:52:23,504 INFO L147 QuantifierPusher]: treesize reduction 9, result has 97.2 percent of original size 311 [2021-04-16 06:52:23,508 INFO L142 QuantifierPusher]: treesize reduction 129, result has 70.7 percent of original size [2021-04-16 06:52:23,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 311 [2021-04-16 06:52:24,410 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 38 [2021-04-16 06:52:24,415 INFO L142 QuantifierPusher]: treesize reduction 129, result has 70.7 percent of original size [2021-04-16 06:52:24,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 311 [2021-04-16 06:52:24,422 INFO L142 QuantifierPusher]: treesize reduction 120, result has 72.7 percent of original size [2021-04-16 06:52:24,425 INFO L147 QuantifierPusher]: treesize reduction 9, result has 97.2 percent of original size 311 [2021-04-16 06:52:25,344 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 38 [2021-04-16 06:52:25,349 INFO L142 QuantifierPusher]: treesize reduction 120, result has 72.7 percent of original size [2021-04-16 06:52:25,352 INFO L147 QuantifierPusher]: treesize reduction 9, result has 97.2 percent of original size 311 [2021-04-16 06:52:25,356 INFO L142 QuantifierPusher]: treesize reduction 168, result has 67.3 percent of original size [2021-04-16 06:52:25,359 INFO L147 QuantifierPusher]: treesize reduction 6, result has 98.3 percent of original size 339 [2021-04-16 06:52:26,109 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 47 [2021-04-16 06:52:26,115 INFO L142 QuantifierPusher]: treesize reduction 149, result has 66.5 percent of original size [2021-04-16 06:52:26,118 INFO L147 QuantifierPusher]: treesize reduction 9, result has 97.0 percent of original size 287 [2021-04-16 06:52:26,842 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 37 [2021-04-16 06:52:26,846 INFO L142 QuantifierPusher]: treesize reduction 131, result has 69.3 percent of original size [2021-04-16 06:52:26,849 INFO L147 QuantifierPusher]: treesize reduction 9, result has 97.0 percent of original size 287 [2021-04-16 06:52:27,588 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 37 [2021-04-16 06:52:27,593 INFO L142 QuantifierPusher]: treesize reduction 131, result has 69.3 percent of original size [2021-04-16 06:52:27,595 INFO L147 QuantifierPusher]: treesize reduction 9, result has 97.0 percent of original size 287 [2021-04-16 06:52:27,600 INFO L142 QuantifierPusher]: treesize reduction 81, result has 88.2 percent of original size [2021-04-16 06:52:27,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 603 [2021-04-16 06:52:28,568 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 55 [2021-04-16 06:52:28,572 INFO L142 QuantifierPusher]: treesize reduction 88, result has 72.6 percent of original size [2021-04-16 06:52:28,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 233 [2021-04-16 06:52:29,359 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 54 [2021-04-16 06:52:29,363 INFO L142 QuantifierPusher]: treesize reduction 85, result has 59.3 percent of original size [2021-04-16 06:52:29,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-04-16 06:52:29,953 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 42 [2021-04-16 06:52:29,957 INFO L142 QuantifierPusher]: treesize reduction 85, result has 59.9 percent of original size [2021-04-16 06:52:29,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-04-16 06:52:30,613 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2021-04-16 06:52:30,617 INFO L142 QuantifierPusher]: treesize reduction 69, result has 70.6 percent of original size [2021-04-16 06:52:30,619 INFO L147 QuantifierPusher]: treesize reduction 11, result has 93.4 percent of original size 155 [2021-04-16 06:52:31,517 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 51 [2021-04-16 06:52:31,521 INFO L142 QuantifierPusher]: treesize reduction 80, result has 66.0 percent of original size [2021-04-16 06:52:31,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-04-16 06:52:32,293 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2021-04-16 06:52:32,297 INFO L142 QuantifierPusher]: treesize reduction 80, result has 66.0 percent of original size [2021-04-16 06:52:32,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-04-16 06:52:33,023 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2021-04-16 06:52:33,027 INFO L142 QuantifierPusher]: treesize reduction 80, result has 66.0 percent of original size [2021-04-16 06:52:33,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-04-16 06:52:33,791 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 43 [2021-04-16 06:52:33,796 INFO L142 QuantifierPusher]: treesize reduction 80, result has 66.0 percent of original size [2021-04-16 06:52:33,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-04-16 06:52:34,527 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 44 [2021-04-16 06:52:34,532 INFO L142 QuantifierPusher]: treesize reduction 80, result has 66.0 percent of original size [2021-04-16 06:52:34,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-04-16 06:52:35,255 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2021-04-16 06:52:35,259 INFO L142 QuantifierPusher]: treesize reduction 80, result has 66.0 percent of original size [2021-04-16 06:52:35,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-04-16 06:52:36,027 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2021-04-16 06:52:36,031 INFO L142 QuantifierPusher]: treesize reduction 80, result has 66.0 percent of original size [2021-04-16 06:52:36,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-04-16 06:52:36,923 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 49 [2021-04-16 06:52:36,929 INFO L142 QuantifierPusher]: treesize reduction 80, result has 66.0 percent of original size [2021-04-16 06:52:36,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-04-16 06:52:37,763 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2021-04-16 06:52:37,768 INFO L142 QuantifierPusher]: treesize reduction 80, result has 66.0 percent of original size [2021-04-16 06:52:37,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-04-16 06:52:38,530 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2021-04-16 06:52:38,535 INFO L142 QuantifierPusher]: treesize reduction 80, result has 66.0 percent of original size [2021-04-16 06:52:38,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-04-16 06:52:39,261 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 50 [2021-04-16 06:52:39,266 INFO L142 QuantifierPusher]: treesize reduction 80, result has 66.0 percent of original size [2021-04-16 06:52:39,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-04-16 06:52:39,962 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 42 [2021-04-16 06:52:39,966 INFO L142 QuantifierPusher]: treesize reduction 80, result has 66.0 percent of original size [2021-04-16 06:52:39,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-04-16 06:52:40,693 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 44 [2021-04-16 06:52:40,697 INFO L142 QuantifierPusher]: treesize reduction 69, result has 70.6 percent of original size [2021-04-16 06:52:40,699 INFO L147 QuantifierPusher]: treesize reduction 11, result has 93.4 percent of original size 155 [2021-04-16 06:52:41,555 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 50 [2021-04-16 06:52:41,561 INFO L142 QuantifierPusher]: treesize reduction 53, result has 90.3 percent of original size [2021-04-16 06:52:41,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 492 [2021-04-16 06:52:42,797 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 75 [2021-04-16 06:52:42,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:52:42,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 06:52:43,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:52:43,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:52:43,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:52:43,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:52:43,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:52:43,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:52:44,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:52:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:52:44,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:52:44,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:52:44,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-04-16 06:52:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:52:44,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:52:44,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:52:44,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-04-16 06:52:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:52:44,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:52:44,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:52:44,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-04-16 06:52:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:52:44,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:52:44,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:52:44,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-04-16 06:52:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:52:44,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:52:44,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:52:44,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-04-16 06:52:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:52:44,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:52:44,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:52:44,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-04-16 06:52:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:52:44,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:52:44,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:52:44,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-04-16 06:52:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:52:44,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:52:44,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:52:44,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-04-16 06:52:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:52:44,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:52:44,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:52:44,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-04-16 06:52:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:52:44,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:52:44,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:52:44,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-04-16 06:52:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:52:44,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:52:44,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:52:44,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-04-16 06:52:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:52:44,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:52:44,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:52:44,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-04-16 06:52:44,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:52:44,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:52:44,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:52:44,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-04-16 06:52:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:52:44,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:52:44,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:52:44,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-04-16 06:52:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:52:44,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:52:44,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:52:44,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-04-16 06:52:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:52:44,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:52:44,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:52:44,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:52:44,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [72061778] [2021-04-16 06:52:44,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:52:44,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [76] imperfect sequences [] total 76 [2021-04-16 06:52:44,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468460670] [2021-04-16 06:52:44,135 INFO L460 AbstractCegarLoop]: Interpolant automaton has 76 states [2021-04-16 06:52:44,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:52:44,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2021-04-16 06:52:44,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=266, Invalid=5434, Unknown=0, NotChecked=0, Total=5700 [2021-04-16 06:52:44,136 INFO L87 Difference]: Start difference. First operand 266 states and 270 transitions. Second operand has 76 states, 75 states have (on average 2.52) internal successors, (189), 74 states have internal predecessors, (189), 17 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2021-04-16 06:52:48,427 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2021-04-16 06:52:50,162 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 61 [2021-04-16 06:52:51,635 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2021-04-16 06:52:53,143 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 53 [2021-04-16 06:52:54,574 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 50 [2021-04-16 06:52:55,919 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2021-04-16 06:52:57,418 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 43 [2021-04-16 06:52:58,885 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 43 [2021-04-16 06:53:00,229 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 43 [2021-04-16 06:53:01,662 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2021-04-16 06:53:03,065 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 43 [2021-04-16 06:53:04,477 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 52 [2021-04-16 06:53:06,168 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 44 [2021-04-16 06:53:07,940 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 42 [2021-04-16 06:53:09,564 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 43 [2021-04-16 06:53:11,068 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 43 [2021-04-16 06:53:12,561 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 56 [2021-04-16 06:53:14,054 WARN L205 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2021-04-16 06:53:25,656 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 70 [2021-04-16 06:53:26,663 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2021-04-16 06:53:29,194 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2021-04-16 06:53:30,384 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2021-04-16 06:53:31,651 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2021-04-16 06:53:32,852 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2021-04-16 06:53:34,152 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2021-04-16 06:53:35,513 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2021-04-16 06:53:36,841 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2021-04-16 06:53:38,133 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2021-04-16 06:53:39,416 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2021-04-16 06:53:40,648 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2021-04-16 06:53:41,891 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2021-04-16 06:53:43,353 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2021-04-16 06:53:44,728 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2021-04-16 06:53:45,999 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2021-04-16 06:53:47,555 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 55 [2021-04-16 06:53:48,553 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 60 [2021-04-16 06:53:50,204 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 55 [2021-04-16 06:53:51,732 WARN L205 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 87 [2021-04-16 06:53:52,881 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 75 [2021-04-16 06:53:53,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:53:53,797 INFO L93 Difference]: Finished difference Result 440 states and 465 transitions. [2021-04-16 06:53:53,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-04-16 06:53:53,803 INFO L78 Accepts]: Start accepts. Automaton has has 76 states, 75 states have (on average 2.52) internal successors, (189), 74 states have internal predecessors, (189), 17 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Word has length 265 [2021-04-16 06:53:53,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:53:53,805 INFO L225 Difference]: With dead ends: 440 [2021-04-16 06:53:53,805 INFO L226 Difference]: Without dead ends: 438 [2021-04-16 06:53:53,806 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 59 SyntacticMatches, 7 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2315 ImplicationChecksByTransitivity, 70026.5ms TimeCoverageRelationStatistics Valid=637, Invalid=13169, Unknown=0, NotChecked=0, Total=13806 [2021-04-16 06:53:53,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2021-04-16 06:53:54,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 424. [2021-04-16 06:53:54,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 371 states have (on average 1.0188679245283019) internal successors, (378), 372 states have internal predecessors, (378), 35 states have call successors, (35), 19 states have call predecessors, (35), 17 states have return successors, (34), 32 states have call predecessors, (34), 34 states have call successors, (34) [2021-04-16 06:53:54,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 447 transitions. [2021-04-16 06:53:54,012 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 447 transitions. Word has length 265 [2021-04-16 06:53:54,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:53:54,012 INFO L480 AbstractCegarLoop]: Abstraction has 424 states and 447 transitions. [2021-04-16 06:53:54,012 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 76 states, 75 states have (on average 2.52) internal successors, (189), 74 states have internal predecessors, (189), 17 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2021-04-16 06:53:54,012 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 447 transitions. [2021-04-16 06:53:54,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-04-16 06:53:54,014 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:53:54,014 INFO L519 BasicCegarLoop]: trace histogram [17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:53:54,014 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-04-16 06:53:54,014 INFO L428 AbstractCegarLoop]: === Iteration 46 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:53:54,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:53:54,014 INFO L82 PathProgramCache]: Analyzing trace with hash -720451466, now seen corresponding path program 43 times [2021-04-16 06:53:54,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:53:54,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1174432637] [2021-04-16 06:53:54,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:53:54,027 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:53:54,028 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:53:54,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:53:54,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:54,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:53:54,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:54,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 06:53:54,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:54,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:53:54,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:54,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:53:54,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:54,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:53:54,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:54,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:53:54,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:54,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:53:54,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:54,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:53:54,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:54,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:53:54,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:54,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:53:54,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:54,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:53:54,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:54,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:53:54,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:54,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:53:54,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:54,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:53:54,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:54,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:53:54,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:54,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:53:55,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:55,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:53:55,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:55,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:53:55,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:55,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-16 06:53:55,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:55,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 06:53:55,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:55,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-16 06:53:55,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:55,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:53:55,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:55,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:53:55,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:55,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:53:55,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:55,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:53:56,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:56,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:53:56,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:56,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:53:56,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:56,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:53:56,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:56,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:53:56,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:56,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:53:57,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:57,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:53:57,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:57,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:53:57,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:57,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:53:57,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:57,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:53:57,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:57,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:53:58,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:58,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:53:58,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:58,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-16 06:53:58,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:58,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:53:58,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:53:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:53:58,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:58,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:53:58,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-04-16 06:53:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:53:58,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:58,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:53:58,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-04-16 06:53:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:53:58,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:58,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:53:58,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-04-16 06:53:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:53:58,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:58,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:53:58,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-04-16 06:53:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:53:58,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:58,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:53:58,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-04-16 06:53:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:53:58,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:58,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:53:58,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-04-16 06:53:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:53:58,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:58,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:53:58,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-04-16 06:53:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:53:58,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:58,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:53:58,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-04-16 06:53:58,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:53:58,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:58,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:53:58,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-04-16 06:53:58,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:53:58,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:58,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:53:58,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-04-16 06:53:58,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:53:58,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:58,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:53:58,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-04-16 06:53:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:53:58,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:58,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:53:58,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-04-16 06:53:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:53:58,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:58,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:53:58,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-04-16 06:53:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:53:58,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:58,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:53:58,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-04-16 06:53:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:53:58,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:58,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:53:58,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-04-16 06:53:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:53:59,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:53:59,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:53:59,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:53:59,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1174432637] [2021-04-16 06:53:59,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:53:59,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2021-04-16 06:53:59,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304833673] [2021-04-16 06:53:59,004 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-04-16 06:53:59,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:53:59,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-04-16 06:53:59,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=1387, Unknown=0, NotChecked=0, Total=1482 [2021-04-16 06:53:59,004 INFO L87 Difference]: Start difference. First operand 424 states and 447 transitions. Second operand has 39 states, 39 states have (on average 3.051282051282051) internal successors, (119), 38 states have internal predecessors, (119), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-04-16 06:54:07,898 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2021-04-16 06:54:08,970 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 15 [2021-04-16 06:54:09,886 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 17 [2021-04-16 06:54:10,856 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 17 [2021-04-16 06:54:11,844 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 15 [2021-04-16 06:54:12,811 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 17 [2021-04-16 06:54:13,762 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 17 [2021-04-16 06:54:14,877 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 15 [2021-04-16 06:54:15,670 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 17 [2021-04-16 06:54:16,446 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 17 [2021-04-16 06:54:17,250 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 15 [2021-04-16 06:54:18,024 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 15 [2021-04-16 06:54:18,866 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 17 [2021-04-16 06:54:19,652 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 17 [2021-04-16 06:54:45,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:54:45,729 INFO L93 Difference]: Finished difference Result 784 states and 848 transitions. [2021-04-16 06:54:45,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-04-16 06:54:45,736 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 3.051282051282051) internal successors, (119), 38 states have internal predecessors, (119), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 268 [2021-04-16 06:54:45,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:54:45,739 INFO L225 Difference]: With dead ends: 784 [2021-04-16 06:54:45,739 INFO L226 Difference]: Without dead ends: 552 [2021-04-16 06:54:45,740 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 583 ImplicationChecksByTransitivity, 13607.1ms TimeCoverageRelationStatistics Valid=413, Invalid=4699, Unknown=0, NotChecked=0, Total=5112 [2021-04-16 06:54:45,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2021-04-16 06:54:45,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 435. [2021-04-16 06:54:45,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 382 states have (on average 1.0209424083769634) internal successors, (390), 383 states have internal predecessors, (390), 35 states have call successors, (35), 19 states have call predecessors, (35), 17 states have return successors, (34), 32 states have call predecessors, (34), 34 states have call successors, (34) [2021-04-16 06:54:45,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 459 transitions. [2021-04-16 06:54:45,960 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 459 transitions. Word has length 268 [2021-04-16 06:54:45,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:54:45,960 INFO L480 AbstractCegarLoop]: Abstraction has 435 states and 459 transitions. [2021-04-16 06:54:45,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 3.051282051282051) internal successors, (119), 38 states have internal predecessors, (119), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-04-16 06:54:45,960 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 459 transitions. [2021-04-16 06:54:45,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-04-16 06:54:45,961 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:54:45,961 INFO L519 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:54:45,962 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-04-16 06:54:45,962 INFO L428 AbstractCegarLoop]: === Iteration 47 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:54:45,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:54:45,962 INFO L82 PathProgramCache]: Analyzing trace with hash 873108641, now seen corresponding path program 44 times [2021-04-16 06:54:45,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:54:45,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [317243448] [2021-04-16 06:54:45,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:54:45,973 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:54:45,974 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:54:48,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:54:48,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:54:48,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:54:48,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:54:48,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-16 06:54:48,917 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 18 [2021-04-16 06:54:48,922 INFO L142 QuantifierPusher]: treesize reduction 13, result has 80.0 percent of original size [2021-04-16 06:54:48,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-16 06:54:49,118 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 20 [2021-04-16 06:54:49,122 INFO L142 QuantifierPusher]: treesize reduction 13, result has 80.0 percent of original size [2021-04-16 06:54:49,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-16 06:54:49,310 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 20 [2021-04-16 06:54:49,314 INFO L142 QuantifierPusher]: treesize reduction 13, result has 80.0 percent of original size [2021-04-16 06:54:49,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-16 06:54:49,495 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 20 [2021-04-16 06:54:49,499 INFO L142 QuantifierPusher]: treesize reduction 13, result has 80.0 percent of original size [2021-04-16 06:54:49,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-16 06:54:49,690 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 20 [2021-04-16 06:54:49,694 INFO L142 QuantifierPusher]: treesize reduction 13, result has 80.0 percent of original size [2021-04-16 06:54:49,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-16 06:54:49,895 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 20 [2021-04-16 06:54:49,899 INFO L142 QuantifierPusher]: treesize reduction 13, result has 80.0 percent of original size [2021-04-16 06:54:49,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-16 06:54:50,095 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 20 [2021-04-16 06:54:50,099 INFO L142 QuantifierPusher]: treesize reduction 13, result has 80.0 percent of original size [2021-04-16 06:54:50,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-16 06:54:50,311 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 20 [2021-04-16 06:54:50,315 INFO L142 QuantifierPusher]: treesize reduction 13, result has 80.0 percent of original size [2021-04-16 06:54:50,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-16 06:54:50,543 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 20 [2021-04-16 06:54:50,547 INFO L142 QuantifierPusher]: treesize reduction 13, result has 80.0 percent of original size [2021-04-16 06:54:50,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-16 06:54:50,782 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 20 [2021-04-16 06:54:50,786 INFO L142 QuantifierPusher]: treesize reduction 13, result has 80.0 percent of original size [2021-04-16 06:54:50,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-16 06:54:51,039 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 20 [2021-04-16 06:54:51,043 INFO L142 QuantifierPusher]: treesize reduction 13, result has 80.0 percent of original size [2021-04-16 06:54:51,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-16 06:54:51,295 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 20 [2021-04-16 06:54:51,300 INFO L142 QuantifierPusher]: treesize reduction 13, result has 80.0 percent of original size [2021-04-16 06:54:51,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-16 06:54:51,572 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 20 [2021-04-16 06:54:51,576 INFO L142 QuantifierPusher]: treesize reduction 13, result has 80.0 percent of original size [2021-04-16 06:54:51,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-16 06:54:51,847 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 20 [2021-04-16 06:54:51,851 INFO L142 QuantifierPusher]: treesize reduction 13, result has 80.0 percent of original size [2021-04-16 06:54:51,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-16 06:54:52,133 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 20 [2021-04-16 06:54:52,137 INFO L142 QuantifierPusher]: treesize reduction 27, result has 76.1 percent of original size [2021-04-16 06:54:52,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-04-16 06:54:52,626 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 34 [2021-04-16 06:54:52,631 INFO L142 QuantifierPusher]: treesize reduction 84, result has 46.5 percent of original size [2021-04-16 06:54:52,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-04-16 06:54:52,978 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 20 [2021-04-16 06:54:52,983 INFO L142 QuantifierPusher]: treesize reduction 43, result has 77.6 percent of original size [2021-04-16 06:54:52,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-04-16 06:54:53,399 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 20 [2021-04-16 06:54:53,403 INFO L142 QuantifierPusher]: treesize reduction 130, result has 39.3 percent of original size [2021-04-16 06:54:53,406 INFO L147 QuantifierPusher]: treesize reduction 9, result has 89.3 percent of original size 75 [2021-04-16 06:54:53,595 INFO L142 QuantifierPusher]: treesize reduction 45, result has 58.7 percent of original size [2021-04-16 06:54:53,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-04-16 06:54:53,917 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2021-04-16 06:54:53,921 INFO L142 QuantifierPusher]: treesize reduction 56, result has 45.6 percent of original size [2021-04-16 06:54:53,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-16 06:54:54,182 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 23 [2021-04-16 06:54:54,185 INFO L142 QuantifierPusher]: treesize reduction 56, result has 47.2 percent of original size [2021-04-16 06:54:54,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-04-16 06:54:54,466 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 25 [2021-04-16 06:54:54,470 INFO L142 QuantifierPusher]: treesize reduction 95, result has 46.9 percent of original size [2021-04-16 06:54:54,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-04-16 06:54:54,777 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 33 [2021-04-16 06:54:54,781 INFO L142 QuantifierPusher]: treesize reduction 95, result has 46.9 percent of original size [2021-04-16 06:54:54,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-04-16 06:54:55,075 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 28 [2021-04-16 06:54:55,079 INFO L142 QuantifierPusher]: treesize reduction 95, result has 46.9 percent of original size [2021-04-16 06:54:55,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-04-16 06:54:55,374 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 28 [2021-04-16 06:54:55,378 INFO L142 QuantifierPusher]: treesize reduction 95, result has 46.9 percent of original size [2021-04-16 06:54:55,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-04-16 06:54:55,703 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 28 [2021-04-16 06:54:55,708 INFO L142 QuantifierPusher]: treesize reduction 95, result has 46.9 percent of original size [2021-04-16 06:54:55,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-04-16 06:54:56,042 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 34 [2021-04-16 06:54:56,046 INFO L142 QuantifierPusher]: treesize reduction 95, result has 46.9 percent of original size [2021-04-16 06:54:56,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-04-16 06:54:56,406 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 28 [2021-04-16 06:54:56,411 INFO L142 QuantifierPusher]: treesize reduction 92, result has 57.8 percent of original size [2021-04-16 06:54:56,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-04-16 06:54:57,021 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 43 [2021-04-16 06:54:57,026 INFO L142 QuantifierPusher]: treesize reduction 120, result has 43.9 percent of original size [2021-04-16 06:54:57,028 INFO L147 QuantifierPusher]: treesize reduction 9, result has 90.4 percent of original size 85 [2021-04-16 06:54:57,401 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2021-04-16 06:54:57,405 INFO L142 QuantifierPusher]: treesize reduction 61, result has 52.7 percent of original size [2021-04-16 06:54:57,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-04-16 06:54:57,772 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 30 [2021-04-16 06:54:57,776 INFO L142 QuantifierPusher]: treesize reduction 61, result has 52.7 percent of original size [2021-04-16 06:54:57,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-04-16 06:54:58,173 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 30 [2021-04-16 06:54:58,178 INFO L142 QuantifierPusher]: treesize reduction 61, result has 52.7 percent of original size [2021-04-16 06:54:58,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-04-16 06:54:58,554 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 30 [2021-04-16 06:54:58,560 INFO L142 QuantifierPusher]: treesize reduction 61, result has 52.7 percent of original size [2021-04-16 06:54:58,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-04-16 06:54:58,946 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 30 [2021-04-16 06:54:58,951 INFO L142 QuantifierPusher]: treesize reduction 61, result has 52.7 percent of original size [2021-04-16 06:54:58,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-04-16 06:54:59,318 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 30 [2021-04-16 06:54:59,323 INFO L142 QuantifierPusher]: treesize reduction 61, result has 52.7 percent of original size [2021-04-16 06:54:59,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-04-16 06:54:59,720 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 30 [2021-04-16 06:54:59,725 INFO L142 QuantifierPusher]: treesize reduction 61, result has 52.7 percent of original size [2021-04-16 06:54:59,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-04-16 06:55:00,080 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 30 [2021-04-16 06:55:00,086 INFO L142 QuantifierPusher]: treesize reduction 40, result has 88.2 percent of original size [2021-04-16 06:55:00,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 298 [2021-04-16 06:55:01,024 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 45 [2021-04-16 06:55:01,030 INFO L142 QuantifierPusher]: treesize reduction 115, result has 57.2 percent of original size [2021-04-16 06:55:01,033 INFO L147 QuantifierPusher]: treesize reduction 7, result has 95.5 percent of original size 147 [2021-04-16 06:55:01,831 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 37 [2021-04-16 06:55:01,836 INFO L142 QuantifierPusher]: treesize reduction 25, result has 90.1 percent of original size [2021-04-16 06:55:01,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-04-16 06:55:02,582 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 37 [2021-04-16 06:55:02,587 INFO L142 QuantifierPusher]: treesize reduction 19, result has 65.5 percent of original size [2021-04-16 06:55:02,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-16 06:55:02,939 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 16 [2021-04-16 06:55:02,945 INFO L142 QuantifierPusher]: treesize reduction 19, result has 65.5 percent of original size [2021-04-16 06:55:02,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-16 06:55:02,953 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size [2021-04-16 06:55:02,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-16 06:55:02,959 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size [2021-04-16 06:55:02,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-16 06:55:02,967 INFO L142 QuantifierPusher]: treesize reduction 148, result has 39.6 percent of original size [2021-04-16 06:55:02,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-04-16 06:55:03,006 INFO L142 QuantifierPusher]: treesize reduction 148, result has 39.6 percent of original size [2021-04-16 06:55:03,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-04-16 06:55:03,043 INFO L142 QuantifierPusher]: treesize reduction 148, result has 39.6 percent of original size [2021-04-16 06:55:03,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-04-16 06:55:03,102 INFO L142 QuantifierPusher]: treesize reduction 148, result has 39.6 percent of original size [2021-04-16 06:55:03,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-04-16 06:55:03,152 INFO L142 QuantifierPusher]: treesize reduction 125, result has 49.0 percent of original size [2021-04-16 06:55:03,156 INFO L147 QuantifierPusher]: treesize reduction 23, result has 80.8 percent of original size 97 [2021-04-16 06:55:03,208 INFO L142 QuantifierPusher]: treesize reduction 125, result has 49.0 percent of original size [2021-04-16 06:55:03,210 INFO L147 QuantifierPusher]: treesize reduction 23, result has 80.8 percent of original size 97 [2021-04-16 06:55:03,258 INFO L142 QuantifierPusher]: treesize reduction 125, result has 49.0 percent of original size [2021-04-16 06:55:03,261 INFO L147 QuantifierPusher]: treesize reduction 23, result has 80.8 percent of original size 97 [2021-04-16 06:55:03,331 INFO L142 QuantifierPusher]: treesize reduction 125, result has 49.0 percent of original size [2021-04-16 06:55:03,334 INFO L147 QuantifierPusher]: treesize reduction 23, result has 80.8 percent of original size 97 [2021-04-16 06:55:03,401 INFO L142 QuantifierPusher]: treesize reduction 148, result has 39.6 percent of original size [2021-04-16 06:55:03,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-04-16 06:55:03,508 INFO L142 QuantifierPusher]: treesize reduction 148, result has 39.6 percent of original size [2021-04-16 06:55:03,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-04-16 06:55:03,625 INFO L142 QuantifierPusher]: treesize reduction 125, result has 49.0 percent of original size [2021-04-16 06:55:03,628 INFO L147 QuantifierPusher]: treesize reduction 23, result has 80.8 percent of original size 97 [2021-04-16 06:55:03,699 INFO L142 QuantifierPusher]: treesize reduction 125, result has 49.0 percent of original size [2021-04-16 06:55:03,702 INFO L147 QuantifierPusher]: treesize reduction 23, result has 80.8 percent of original size 97 [2021-04-16 06:55:03,780 INFO L142 QuantifierPusher]: treesize reduction 125, result has 49.0 percent of original size [2021-04-16 06:55:03,783 INFO L147 QuantifierPusher]: treesize reduction 23, result has 80.8 percent of original size 97 [2021-04-16 06:55:03,864 INFO L142 QuantifierPusher]: treesize reduction 125, result has 49.0 percent of original size [2021-04-16 06:55:03,867 INFO L147 QuantifierPusher]: treesize reduction 23, result has 80.8 percent of original size 97 [2021-04-16 06:55:03,988 INFO L142 QuantifierPusher]: treesize reduction 125, result has 49.0 percent of original size [2021-04-16 06:55:03,991 INFO L147 QuantifierPusher]: treesize reduction 23, result has 80.8 percent of original size 97 [2021-04-16 06:55:04,090 INFO L142 QuantifierPusher]: treesize reduction 125, result has 49.0 percent of original size [2021-04-16 06:55:04,092 INFO L147 QuantifierPusher]: treesize reduction 23, result has 80.8 percent of original size 97 [2021-04-16 06:55:04,184 INFO L142 QuantifierPusher]: treesize reduction 125, result has 49.0 percent of original size [2021-04-16 06:55:04,186 INFO L147 QuantifierPusher]: treesize reduction 23, result has 80.8 percent of original size 97 [2021-04-16 06:55:04,278 INFO L142 QuantifierPusher]: treesize reduction 125, result has 49.0 percent of original size [2021-04-16 06:55:04,280 INFO L147 QuantifierPusher]: treesize reduction 23, result has 80.8 percent of original size 97 [2021-04-16 06:55:04,366 INFO L142 QuantifierPusher]: treesize reduction 148, result has 39.6 percent of original size [2021-04-16 06:55:04,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-04-16 06:55:04,465 INFO L142 QuantifierPusher]: treesize reduction 148, result has 39.6 percent of original size [2021-04-16 06:55:04,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-04-16 06:55:04,575 INFO L142 QuantifierPusher]: treesize reduction 148, result has 39.6 percent of original size [2021-04-16 06:55:04,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-04-16 06:55:04,707 INFO L142 QuantifierPusher]: treesize reduction 148, result has 39.6 percent of original size [2021-04-16 06:55:04,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-04-16 06:55:04,847 INFO L142 QuantifierPusher]: treesize reduction 125, result has 49.0 percent of original size [2021-04-16 06:55:04,850 INFO L147 QuantifierPusher]: treesize reduction 23, result has 80.8 percent of original size 97 [2021-04-16 06:55:04,982 INFO L142 QuantifierPusher]: treesize reduction 125, result has 49.0 percent of original size [2021-04-16 06:55:04,985 INFO L147 QuantifierPusher]: treesize reduction 23, result has 80.8 percent of original size 97 [2021-04-16 06:55:05,111 INFO L142 QuantifierPusher]: treesize reduction 125, result has 49.0 percent of original size [2021-04-16 06:55:05,113 INFO L147 QuantifierPusher]: treesize reduction 23, result has 80.8 percent of original size 97 [2021-04-16 06:55:05,245 INFO L142 QuantifierPusher]: treesize reduction 125, result has 49.0 percent of original size [2021-04-16 06:55:05,249 INFO L147 QuantifierPusher]: treesize reduction 23, result has 80.8 percent of original size 97 [2021-04-16 06:55:05,385 INFO L142 QuantifierPusher]: treesize reduction 148, result has 39.6 percent of original size [2021-04-16 06:55:05,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-04-16 06:55:05,540 INFO L142 QuantifierPusher]: treesize reduction 148, result has 39.6 percent of original size [2021-04-16 06:55:05,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-04-16 06:55:05,707 INFO L142 QuantifierPusher]: treesize reduction 83, result has 83.8 percent of original size [2021-04-16 06:55:05,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 429 [2021-04-16 06:55:06,144 INFO L142 QuantifierPusher]: treesize reduction 137, result has 72.3 percent of original size [2021-04-16 06:55:06,148 INFO L147 QuantifierPusher]: treesize reduction 7, result has 98.0 percent of original size 351 [2021-04-16 06:55:07,216 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 48 [2021-04-16 06:55:07,223 INFO L142 QuantifierPusher]: treesize reduction 50, result has 86.9 percent of original size [2021-04-16 06:55:07,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 331 [2021-04-16 06:55:08,324 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 54 [2021-04-16 06:55:08,330 INFO L142 QuantifierPusher]: treesize reduction 66, result has 64.3 percent of original size [2021-04-16 06:55:08,333 INFO L147 QuantifierPusher]: treesize reduction 7, result has 94.1 percent of original size 112 [2021-04-16 06:55:09,110 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2021-04-16 06:55:09,115 INFO L142 QuantifierPusher]: treesize reduction 45, result has 62.8 percent of original size [2021-04-16 06:55:09,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-04-16 06:55:09,709 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 27 [2021-04-16 06:55:09,714 INFO L142 QuantifierPusher]: treesize reduction 45, result has 63.7 percent of original size [2021-04-16 06:55:09,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-04-16 06:55:10,259 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 29 [2021-04-16 06:55:10,265 INFO L142 QuantifierPusher]: treesize reduction 90, result has 63.6 percent of original size [2021-04-16 06:55:10,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-04-16 06:55:10,938 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 46 [2021-04-16 06:55:10,943 INFO L142 QuantifierPusher]: treesize reduction 90, result has 63.6 percent of original size [2021-04-16 06:55:10,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-04-16 06:55:11,720 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 46 [2021-04-16 06:55:11,725 INFO L142 QuantifierPusher]: treesize reduction 90, result has 63.6 percent of original size [2021-04-16 06:55:11,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-04-16 06:55:12,522 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 44 [2021-04-16 06:55:12,527 INFO L142 QuantifierPusher]: treesize reduction 90, result has 63.6 percent of original size [2021-04-16 06:55:12,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-04-16 06:55:13,208 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 45 [2021-04-16 06:55:13,214 INFO L142 QuantifierPusher]: treesize reduction 90, result has 63.6 percent of original size [2021-04-16 06:55:13,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-04-16 06:55:13,945 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 46 [2021-04-16 06:55:13,950 INFO L142 QuantifierPusher]: treesize reduction 90, result has 63.6 percent of original size [2021-04-16 06:55:13,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-04-16 06:55:14,752 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 46 [2021-04-16 06:55:14,759 INFO L142 QuantifierPusher]: treesize reduction 90, result has 63.6 percent of original size [2021-04-16 06:55:14,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-04-16 06:55:15,597 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 46 [2021-04-16 06:55:15,603 INFO L142 QuantifierPusher]: treesize reduction 90, result has 63.6 percent of original size [2021-04-16 06:55:15,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-04-16 06:55:16,406 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 46 [2021-04-16 06:55:16,411 INFO L142 QuantifierPusher]: treesize reduction 90, result has 63.6 percent of original size [2021-04-16 06:55:16,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-04-16 06:55:17,309 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 44 [2021-04-16 06:55:17,314 INFO L142 QuantifierPusher]: treesize reduction 90, result has 63.6 percent of original size [2021-04-16 06:55:17,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-04-16 06:55:18,170 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 44 [2021-04-16 06:55:18,176 INFO L142 QuantifierPusher]: treesize reduction 90, result has 63.6 percent of original size [2021-04-16 06:55:18,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-04-16 06:55:19,018 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 46 [2021-04-16 06:55:19,025 INFO L142 QuantifierPusher]: treesize reduction 90, result has 63.6 percent of original size [2021-04-16 06:55:19,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-04-16 06:55:19,740 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 45 [2021-04-16 06:55:19,745 INFO L142 QuantifierPusher]: treesize reduction 90, result has 63.6 percent of original size [2021-04-16 06:55:19,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-04-16 06:55:20,504 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 46 [2021-04-16 06:55:20,510 INFO L142 QuantifierPusher]: treesize reduction 90, result has 63.6 percent of original size [2021-04-16 06:55:20,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-04-16 06:55:21,303 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 43 [2021-04-16 06:55:21,321 INFO L142 QuantifierPusher]: treesize reduction 56, result has 86.2 percent of original size [2021-04-16 06:55:21,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 351 [2021-04-16 06:55:22,535 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 55 [2021-04-16 06:55:22,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:55:22,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 06:55:22,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:55:22,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:55:23,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:55:23,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:55:23,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:55:23,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:55:23,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:55:23,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:55:23,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:55:23,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:55:23,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-04-16 06:55:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:55:23,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:55:23,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:55:23,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-04-16 06:55:23,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:55:23,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:55:23,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:55:23,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-04-16 06:55:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:55:23,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:55:23,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:55:23,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-04-16 06:55:23,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:55:23,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:55:23,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:55:23,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-04-16 06:55:23,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:55:23,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:55:23,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:55:23,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-04-16 06:55:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:55:23,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:55:23,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:55:23,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-04-16 06:55:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:55:23,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:55:23,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:55:23,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-04-16 06:55:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:55:23,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:55:23,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:55:23,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-04-16 06:55:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:55:23,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:55:23,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:55:23,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-04-16 06:55:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:55:23,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:55:23,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:55:23,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-04-16 06:55:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:55:23,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:55:23,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:55:23,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-04-16 06:55:23,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:55:23,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:55:23,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:55:23,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-04-16 06:55:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:55:23,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:55:23,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:55:23,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-04-16 06:55:23,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:55:24,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:55:24,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:55:24,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-04-16 06:55:24,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:55:24,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:55:24,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:55:24,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:55:24,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [317243448] [2021-04-16 06:55:24,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:55:24,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [66] imperfect sequences [] total 66 [2021-04-16 06:55:24,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664929627] [2021-04-16 06:55:24,035 INFO L460 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-04-16 06:55:24,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:55:24,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-04-16 06:55:24,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=391, Invalid=3899, Unknown=0, NotChecked=0, Total=4290 [2021-04-16 06:55:24,036 INFO L87 Difference]: Start difference. First operand 435 states and 459 transitions. Second operand has 66 states, 65 states have (on average 3.0307692307692307) internal successors, (197), 64 states have internal predecessors, (197), 17 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2021-04-16 06:55:31,141 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-16 06:55:37,536 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 41 [2021-04-16 06:55:38,447 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 48 [2021-04-16 06:55:39,139 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 43 [2021-04-16 06:55:40,059 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 43 [2021-04-16 06:55:40,725 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 43 [2021-04-16 06:55:41,330 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 49 [2021-04-16 06:55:41,982 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 43 [2021-04-16 06:55:42,298 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 35 [2021-04-16 06:55:42,916 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2021-04-16 06:55:43,288 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 37 [2021-04-16 06:55:43,959 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 45 [2021-04-16 06:55:44,350 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2021-04-16 06:55:45,049 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 45 [2021-04-16 06:55:45,460 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2021-04-16 06:55:46,153 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 45 [2021-04-16 06:55:46,611 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2021-04-16 06:55:47,273 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 45 [2021-04-16 06:55:47,704 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2021-04-16 06:55:48,358 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 45 [2021-04-16 06:55:48,775 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2021-04-16 06:55:49,442 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 45 [2021-04-16 06:55:49,800 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2021-04-16 06:55:50,394 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 45 [2021-04-16 06:55:50,808 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2021-04-16 06:55:51,412 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2021-04-16 06:55:51,825 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2021-04-16 06:55:52,567 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2021-04-16 06:55:53,649 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2021-04-16 06:55:54,087 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2021-04-16 06:55:55,065 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-16 06:55:55,877 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 65 [2021-04-16 06:55:56,334 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2021-04-16 06:55:56,987 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-16 06:55:57,429 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-16 06:55:57,864 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2021-04-16 06:55:58,626 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2021-04-16 06:55:59,265 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2021-04-16 06:55:59,809 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-04-16 06:56:00,533 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 30 [2021-04-16 06:56:01,001 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2021-04-16 06:56:01,529 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-16 06:56:02,062 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 62 [2021-04-16 06:56:02,915 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-04-16 06:56:03,301 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-16 06:56:03,967 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2021-04-16 06:56:05,081 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2021-04-16 06:56:06,198 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2021-04-16 06:56:07,272 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2021-04-16 06:56:08,319 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2021-04-16 06:56:09,465 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2021-04-16 06:56:10,359 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2021-04-16 06:56:11,210 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2021-04-16 06:56:12,227 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2021-04-16 06:56:13,358 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2021-04-16 06:56:14,394 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2021-04-16 06:56:15,370 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2021-04-16 06:56:16,388 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-16 06:56:17,545 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2021-04-16 06:56:24,883 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-16 06:56:25,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:56:25,727 INFO L93 Difference]: Finished difference Result 692 states and 746 transitions. [2021-04-16 06:56:25,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-04-16 06:56:25,733 INFO L78 Accepts]: Start accepts. Automaton has has 66 states, 65 states have (on average 3.0307692307692307) internal successors, (197), 64 states have internal predecessors, (197), 17 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Word has length 273 [2021-04-16 06:56:25,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:56:25,735 INFO L225 Difference]: With dead ends: 692 [2021-04-16 06:56:25,735 INFO L226 Difference]: Without dead ends: 690 [2021-04-16 06:56:25,736 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 36 SyntacticMatches, 30 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6080 ImplicationChecksByTransitivity, 57571.8ms TimeCoverageRelationStatistics Valid=1386, Invalid=16436, Unknown=0, NotChecked=0, Total=17822 [2021-04-16 06:56:25,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2021-04-16 06:56:25,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 439. [2021-04-16 06:56:25,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 385 states have (on average 1.0207792207792208) internal successors, (393), 386 states have internal predecessors, (393), 35 states have call successors, (35), 20 states have call predecessors, (35), 18 states have return successors, (34), 32 states have call predecessors, (34), 34 states have call successors, (34) [2021-04-16 06:56:25,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 462 transitions. [2021-04-16 06:56:25,951 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 462 transitions. Word has length 273 [2021-04-16 06:56:25,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:56:25,951 INFO L480 AbstractCegarLoop]: Abstraction has 439 states and 462 transitions. [2021-04-16 06:56:25,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 66 states, 65 states have (on average 3.0307692307692307) internal successors, (197), 64 states have internal predecessors, (197), 17 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2021-04-16 06:56:25,951 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 462 transitions. [2021-04-16 06:56:25,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-04-16 06:56:25,952 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:56:25,953 INFO L519 BasicCegarLoop]: trace histogram [18, 18, 18, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:56:25,953 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-04-16 06:56:25,953 INFO L428 AbstractCegarLoop]: === Iteration 48 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:56:25,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:56:25,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1665984559, now seen corresponding path program 45 times [2021-04-16 06:56:25,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:56:25,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1155203851] [2021-04-16 06:56:25,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:56:25,967 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:56:25,968 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:56:26,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:56:26,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:26,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:56:26,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:26,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 06:56:26,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:26,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:56:26,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:26,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:56:26,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:26,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:56:26,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:26,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:56:26,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:26,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:56:26,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:26,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:56:26,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:26,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:56:26,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:26,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:56:26,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:26,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:56:26,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:26,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:56:26,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:26,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:56:26,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:26,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:56:27,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:27,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:56:27,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:27,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:56:27,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:27,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:56:27,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:27,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 06:56:27,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:27,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 06:56:27,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:27,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 06:56:27,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:27,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:56:27,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:27,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:56:28,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:28,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:56:28,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:28,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:56:28,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:28,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:56:28,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:28,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:56:29,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:29,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:56:29,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:29,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:56:29,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:29,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:56:29,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:29,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:56:30,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:30,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:56:30,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:30,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:56:30,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:30,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:56:31,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:31,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:56:31,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:31,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:56:31,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:31,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-16 06:56:32,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:32,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:56:32,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:56:32,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:56:32,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:32,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:56:32,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-04-16 06:56:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:56:32,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:32,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:56:32,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-04-16 06:56:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:56:32,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:32,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:56:32,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-04-16 06:56:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:56:32,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:32,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:56:32,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-04-16 06:56:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:56:32,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:32,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:56:32,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-04-16 06:56:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:56:32,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:32,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:56:32,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-04-16 06:56:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:56:32,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:32,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:56:32,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-04-16 06:56:32,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:56:32,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:32,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:56:32,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-04-16 06:56:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:56:32,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:32,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:56:32,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-04-16 06:56:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:56:32,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:32,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:56:32,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-04-16 06:56:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:56:32,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:32,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:56:32,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-04-16 06:56:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:56:32,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:32,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:56:32,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-04-16 06:56:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:56:32,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:32,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:56:32,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-04-16 06:56:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:56:32,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:32,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:56:32,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-04-16 06:56:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:56:32,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:32,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:56:32,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-04-16 06:56:32,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:56:32,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:32,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:56:32,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-04-16 06:56:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:56:32,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:32,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:56:32,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-04-16 06:56:32,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:56:32,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:56:32,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:56:32,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:56:32,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1155203851] [2021-04-16 06:56:32,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:56:32,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [38] imperfect sequences [] total 38 [2021-04-16 06:56:32,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020447195] [2021-04-16 06:56:32,499 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-04-16 06:56:32,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:56:32,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-04-16 06:56:32,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=1331, Unknown=0, NotChecked=0, Total=1406 [2021-04-16 06:56:32,500 INFO L87 Difference]: Start difference. First operand 439 states and 462 transitions. Second operand has 38 states, 38 states have (on average 3.1578947368421053) internal successors, (120), 37 states have internal predecessors, (120), 18 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2021-04-16 06:56:39,356 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 14 [2021-04-16 06:56:41,705 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 18 [2021-04-16 06:56:42,399 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 18 [2021-04-16 06:56:43,664 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 16 [2021-04-16 06:56:44,333 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 18 [2021-04-16 06:56:45,159 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 17 [2021-04-16 06:56:46,245 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 18 [2021-04-16 06:56:47,123 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 18 [2021-04-16 06:56:48,172 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 18 [2021-04-16 06:56:49,135 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 18 [2021-04-16 06:56:50,013 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 18 [2021-04-16 06:56:51,007 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 16 [2021-04-16 06:56:51,914 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 18 [2021-04-16 06:57:16,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:57:16,415 INFO L93 Difference]: Finished difference Result 629 states and 655 transitions. [2021-04-16 06:57:16,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-04-16 06:57:16,426 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 3.1578947368421053) internal successors, (120), 37 states have internal predecessors, (120), 18 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Word has length 281 [2021-04-16 06:57:16,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:57:16,427 INFO L225 Difference]: With dead ends: 629 [2021-04-16 06:57:16,427 INFO L226 Difference]: Without dead ends: 293 [2021-04-16 06:57:16,428 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 12034.7ms TimeCoverageRelationStatistics Valid=275, Invalid=2587, Unknown=0, NotChecked=0, Total=2862 [2021-04-16 06:57:16,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2021-04-16 06:57:16,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 282. [2021-04-16 06:57:16,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 245 states have (on average 1.0163265306122449) internal successors, (249), 245 states have internal predecessors, (249), 19 states have call successors, (19), 19 states have call predecessors, (19), 17 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2021-04-16 06:57:16,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 286 transitions. [2021-04-16 06:57:16,551 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 286 transitions. Word has length 281 [2021-04-16 06:57:16,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:57:16,551 INFO L480 AbstractCegarLoop]: Abstraction has 282 states and 286 transitions. [2021-04-16 06:57:16,552 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 3.1578947368421053) internal successors, (120), 37 states have internal predecessors, (120), 18 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2021-04-16 06:57:16,552 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 286 transitions. [2021-04-16 06:57:16,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-04-16 06:57:16,553 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:57:16,553 INFO L519 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:57:16,553 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-04-16 06:57:16,553 INFO L428 AbstractCegarLoop]: === Iteration 49 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:57:16,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:57:16,553 INFO L82 PathProgramCache]: Analyzing trace with hash -1626941061, now seen corresponding path program 46 times [2021-04-16 06:57:16,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:57:16,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [17495147] [2021-04-16 06:57:16,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:57:16,573 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2021-04-16 06:57:16,574 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:57:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:57:19,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:57:19,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:57:19,670 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-04-16 06:57:19,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-16 06:57:19,837 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 17 [2021-04-16 06:57:19,843 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-04-16 06:57:19,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:57:20,024 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2021-04-16 06:57:20,028 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-04-16 06:57:20,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:57:20,191 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2021-04-16 06:57:20,195 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-04-16 06:57:20,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:57:20,356 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2021-04-16 06:57:20,361 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-04-16 06:57:20,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:57:20,538 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2021-04-16 06:57:20,542 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-04-16 06:57:20,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:57:20,727 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2021-04-16 06:57:20,732 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-04-16 06:57:20,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:57:20,925 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2021-04-16 06:57:20,930 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-04-16 06:57:20,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:57:21,122 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2021-04-16 06:57:21,126 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-04-16 06:57:21,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:57:21,346 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2021-04-16 06:57:21,350 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-04-16 06:57:21,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:57:21,565 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2021-04-16 06:57:21,571 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-04-16 06:57:21,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:57:21,808 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2021-04-16 06:57:21,813 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-04-16 06:57:21,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:57:22,058 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2021-04-16 06:57:22,063 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-04-16 06:57:22,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:57:22,302 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2021-04-16 06:57:22,308 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-04-16 06:57:22,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:57:22,573 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2021-04-16 06:57:22,577 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-04-16 06:57:22,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:57:22,819 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2021-04-16 06:57:22,824 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-04-16 06:57:22,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:57:23,097 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2021-04-16 06:57:23,102 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-04-16 06:57:23,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 06:57:23,413 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2021-04-16 06:57:23,420 INFO L142 QuantifierPusher]: treesize reduction 82, result has 52.9 percent of original size [2021-04-16 06:57:23,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-04-16 06:57:23,942 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 39 [2021-04-16 06:57:23,950 INFO L142 QuantifierPusher]: treesize reduction 235, result has 56.2 percent of original size [2021-04-16 06:57:23,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 302 [2021-04-16 06:57:24,888 WARN L205 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-16 06:57:24,894 INFO L142 QuantifierPusher]: treesize reduction 208, result has 38.3 percent of original size [2021-04-16 06:57:24,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-04-16 06:57:25,421 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2021-04-16 06:57:25,427 INFO L142 QuantifierPusher]: treesize reduction 208, result has 38.8 percent of original size [2021-04-16 06:57:25,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-04-16 06:57:25,978 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 37 [2021-04-16 06:57:25,984 INFO L142 QuantifierPusher]: treesize reduction 197, result has 49.7 percent of original size [2021-04-16 06:57:25,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-04-16 06:57:26,560 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 41 [2021-04-16 06:57:26,566 INFO L142 QuantifierPusher]: treesize reduction 197, result has 49.7 percent of original size [2021-04-16 06:57:26,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-04-16 06:57:27,118 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2021-04-16 06:57:27,125 INFO L142 QuantifierPusher]: treesize reduction 197, result has 49.7 percent of original size [2021-04-16 06:57:27,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-04-16 06:57:27,725 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2021-04-16 06:57:27,732 INFO L142 QuantifierPusher]: treesize reduction 197, result has 49.7 percent of original size [2021-04-16 06:57:27,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-04-16 06:57:28,409 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 40 [2021-04-16 06:57:28,417 INFO L142 QuantifierPusher]: treesize reduction 197, result has 49.7 percent of original size [2021-04-16 06:57:28,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-04-16 06:57:29,059 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2021-04-16 06:57:29,065 INFO L142 QuantifierPusher]: treesize reduction 197, result has 49.7 percent of original size [2021-04-16 06:57:29,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-04-16 06:57:29,662 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2021-04-16 06:57:29,668 INFO L142 QuantifierPusher]: treesize reduction 197, result has 49.7 percent of original size [2021-04-16 06:57:29,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-04-16 06:57:30,309 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2021-04-16 06:57:30,316 INFO L142 QuantifierPusher]: treesize reduction 197, result has 49.7 percent of original size [2021-04-16 06:57:30,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-04-16 06:57:30,939 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2021-04-16 06:57:30,945 INFO L142 QuantifierPusher]: treesize reduction 197, result has 49.7 percent of original size [2021-04-16 06:57:30,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-04-16 06:57:31,571 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2021-04-16 06:57:31,577 INFO L142 QuantifierPusher]: treesize reduction 197, result has 49.7 percent of original size [2021-04-16 06:57:31,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-04-16 06:57:32,284 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2021-04-16 06:57:32,291 INFO L142 QuantifierPusher]: treesize reduction 197, result has 49.7 percent of original size [2021-04-16 06:57:32,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-04-16 06:57:33,045 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2021-04-16 06:57:33,051 INFO L142 QuantifierPusher]: treesize reduction 197, result has 49.7 percent of original size [2021-04-16 06:57:33,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-04-16 06:57:33,823 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2021-04-16 06:57:33,830 INFO L142 QuantifierPusher]: treesize reduction 197, result has 49.7 percent of original size [2021-04-16 06:57:33,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-04-16 06:57:34,569 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2021-04-16 06:57:34,574 INFO L142 QuantifierPusher]: treesize reduction 197, result has 49.7 percent of original size [2021-04-16 06:57:34,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-04-16 06:57:35,349 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2021-04-16 06:57:35,355 INFO L142 QuantifierPusher]: treesize reduction 197, result has 49.7 percent of original size [2021-04-16 06:57:35,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-04-16 06:57:36,091 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2021-04-16 06:57:36,098 INFO L142 QuantifierPusher]: treesize reduction 228, result has 59.7 percent of original size [2021-04-16 06:57:36,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 338 [2021-04-16 06:57:37,744 WARN L205 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 75 [2021-04-16 06:57:37,751 INFO L142 QuantifierPusher]: treesize reduction 259, result has 45.6 percent of original size [2021-04-16 06:57:37,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 217 [2021-04-16 06:57:39,020 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 44 [2021-04-16 06:57:39,028 INFO L142 QuantifierPusher]: treesize reduction 199, result has 43.9 percent of original size [2021-04-16 06:57:39,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 156 [2021-04-16 06:57:39,314 INFO L142 QuantifierPusher]: treesize reduction 199, result has 44.4 percent of original size [2021-04-16 06:57:39,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 159 [2021-04-16 06:57:39,559 INFO L142 QuantifierPusher]: treesize reduction 199, result has 44.4 percent of original size [2021-04-16 06:57:39,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 159 [2021-04-16 06:57:39,806 INFO L142 QuantifierPusher]: treesize reduction 165, result has 70.1 percent of original size [2021-04-16 06:57:39,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 386 [2021-04-16 06:57:41,076 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 55 [2021-04-16 06:57:41,084 INFO L142 QuantifierPusher]: treesize reduction 165, result has 70.1 percent of original size [2021-04-16 06:57:41,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 386 [2021-04-16 06:57:41,092 INFO L142 QuantifierPusher]: treesize reduction 165, result has 70.1 percent of original size [2021-04-16 06:57:41,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 386 [2021-04-16 06:57:42,658 WARN L205 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 55 [2021-04-16 06:57:42,666 INFO L142 QuantifierPusher]: treesize reduction 165, result has 70.1 percent of original size [2021-04-16 06:57:42,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 386 [2021-04-16 06:57:42,675 INFO L142 QuantifierPusher]: treesize reduction 165, result has 70.1 percent of original size [2021-04-16 06:57:42,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 386 [2021-04-16 06:57:44,488 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 55 [2021-04-16 06:57:44,496 INFO L142 QuantifierPusher]: treesize reduction 165, result has 70.1 percent of original size [2021-04-16 06:57:44,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 386 [2021-04-16 06:57:44,506 INFO L142 QuantifierPusher]: treesize reduction 165, result has 70.1 percent of original size [2021-04-16 06:57:44,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 386 [2021-04-16 06:57:46,255 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 54 [2021-04-16 06:57:46,264 INFO L142 QuantifierPusher]: treesize reduction 165, result has 70.1 percent of original size [2021-04-16 06:57:46,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 386 [2021-04-16 06:57:46,275 INFO L142 QuantifierPusher]: treesize reduction 165, result has 70.1 percent of original size [2021-04-16 06:57:46,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 386 [2021-04-16 06:57:48,263 WARN L205 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 55 [2021-04-16 06:57:48,271 INFO L142 QuantifierPusher]: treesize reduction 165, result has 70.1 percent of original size [2021-04-16 06:57:48,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 386 [2021-04-16 06:57:48,281 INFO L142 QuantifierPusher]: treesize reduction 165, result has 70.1 percent of original size [2021-04-16 06:57:48,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 386 [2021-04-16 06:57:50,232 WARN L205 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 55 [2021-04-16 06:57:50,240 INFO L142 QuantifierPusher]: treesize reduction 165, result has 70.1 percent of original size [2021-04-16 06:57:50,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 386 [2021-04-16 06:57:50,250 INFO L142 QuantifierPusher]: treesize reduction 165, result has 70.1 percent of original size [2021-04-16 06:57:50,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 386 [2021-04-16 06:57:52,271 WARN L205 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 55 [2021-04-16 06:57:52,279 INFO L142 QuantifierPusher]: treesize reduction 165, result has 70.1 percent of original size [2021-04-16 06:57:52,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 386 [2021-04-16 06:57:52,289 INFO L142 QuantifierPusher]: treesize reduction 165, result has 70.1 percent of original size [2021-04-16 06:57:52,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 386 [2021-04-16 06:57:54,440 WARN L205 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 55 [2021-04-16 06:57:54,449 INFO L142 QuantifierPusher]: treesize reduction 165, result has 70.1 percent of original size [2021-04-16 06:57:54,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 386 [2021-04-16 06:57:54,460 INFO L142 QuantifierPusher]: treesize reduction 165, result has 70.1 percent of original size [2021-04-16 06:57:54,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 386 [2021-04-16 06:57:56,514 WARN L205 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 55 [2021-04-16 06:57:56,522 INFO L142 QuantifierPusher]: treesize reduction 165, result has 70.1 percent of original size [2021-04-16 06:57:56,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 386 [2021-04-16 06:57:56,531 INFO L142 QuantifierPusher]: treesize reduction 165, result has 70.1 percent of original size [2021-04-16 06:57:56,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 386 [2021-04-16 06:57:58,675 WARN L205 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 55 [2021-04-16 06:57:58,683 INFO L142 QuantifierPusher]: treesize reduction 165, result has 70.1 percent of original size [2021-04-16 06:57:58,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 386 [2021-04-16 06:57:58,693 INFO L142 QuantifierPusher]: treesize reduction 165, result has 70.1 percent of original size [2021-04-16 06:57:58,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 386 [2021-04-16 06:58:00,766 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 55 [2021-04-16 06:58:00,774 INFO L142 QuantifierPusher]: treesize reduction 165, result has 70.1 percent of original size [2021-04-16 06:58:00,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 386 [2021-04-16 06:58:00,783 INFO L142 QuantifierPusher]: treesize reduction 126, result has 72.1 percent of original size [2021-04-16 06:58:00,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 325 [2021-04-16 06:58:02,464 WARN L205 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 55 [2021-04-16 06:58:02,471 INFO L142 QuantifierPusher]: treesize reduction 131, result has 69.5 percent of original size [2021-04-16 06:58:02,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 298 [2021-04-16 06:58:04,328 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 49 [2021-04-16 06:58:04,334 INFO L142 QuantifierPusher]: treesize reduction 105, result has 69.4 percent of original size [2021-04-16 06:58:04,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 238 [2021-04-16 06:58:05,773 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 45 [2021-04-16 06:58:05,780 INFO L142 QuantifierPusher]: treesize reduction 105, result has 69.4 percent of original size [2021-04-16 06:58:05,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 238 [2021-04-16 06:58:05,788 INFO L142 QuantifierPusher]: treesize reduction 105, result has 69.4 percent of original size [2021-04-16 06:58:05,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 238 [2021-04-16 06:58:07,335 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 45 [2021-04-16 06:58:07,341 INFO L142 QuantifierPusher]: treesize reduction 105, result has 69.4 percent of original size [2021-04-16 06:58:07,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 238 [2021-04-16 06:58:07,349 INFO L142 QuantifierPusher]: treesize reduction 105, result has 69.4 percent of original size [2021-04-16 06:58:07,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 238 [2021-04-16 06:58:08,852 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 45 [2021-04-16 06:58:08,858 INFO L142 QuantifierPusher]: treesize reduction 105, result has 69.4 percent of original size [2021-04-16 06:58:08,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 238 [2021-04-16 06:58:08,867 INFO L142 QuantifierPusher]: treesize reduction 81, result has 86.4 percent of original size [2021-04-16 06:58:08,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 514 [2021-04-16 06:58:10,460 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 54 [2021-04-16 06:58:10,466 INFO L142 QuantifierPusher]: treesize reduction 53, result has 84.0 percent of original size [2021-04-16 06:58:10,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 278 [2021-04-16 06:58:11,747 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 49 [2021-04-16 06:58:11,753 INFO L142 QuantifierPusher]: treesize reduction 42, result has 72.5 percent of original size [2021-04-16 06:58:11,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-04-16 06:58:12,705 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 35 [2021-04-16 06:58:12,710 INFO L142 QuantifierPusher]: treesize reduction 42, result has 73.1 percent of original size [2021-04-16 06:58:12,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-04-16 06:58:13,771 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 37 [2021-04-16 06:58:13,777 INFO L142 QuantifierPusher]: treesize reduction 48, result has 74.5 percent of original size [2021-04-16 06:58:13,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-04-16 06:58:15,084 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 40 [2021-04-16 06:58:15,091 INFO L142 QuantifierPusher]: treesize reduction 48, result has 74.5 percent of original size [2021-04-16 06:58:15,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-04-16 06:58:16,308 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 40 [2021-04-16 06:58:16,313 INFO L142 QuantifierPusher]: treesize reduction 48, result has 74.5 percent of original size [2021-04-16 06:58:16,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-04-16 06:58:17,523 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 47 [2021-04-16 06:58:17,530 INFO L142 QuantifierPusher]: treesize reduction 48, result has 74.5 percent of original size [2021-04-16 06:58:17,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-04-16 06:58:18,738 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 39 [2021-04-16 06:58:18,744 INFO L142 QuantifierPusher]: treesize reduction 48, result has 74.5 percent of original size [2021-04-16 06:58:18,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-04-16 06:58:19,813 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 44 [2021-04-16 06:58:19,818 INFO L142 QuantifierPusher]: treesize reduction 48, result has 74.5 percent of original size [2021-04-16 06:58:19,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-04-16 06:58:20,895 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 46 [2021-04-16 06:58:20,901 INFO L142 QuantifierPusher]: treesize reduction 48, result has 74.5 percent of original size [2021-04-16 06:58:20,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-04-16 06:58:21,962 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 46 [2021-04-16 06:58:21,968 INFO L142 QuantifierPusher]: treesize reduction 48, result has 74.5 percent of original size [2021-04-16 06:58:21,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-04-16 06:58:23,043 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 47 [2021-04-16 06:58:23,049 INFO L142 QuantifierPusher]: treesize reduction 48, result has 74.5 percent of original size [2021-04-16 06:58:23,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-04-16 06:58:24,161 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 40 [2021-04-16 06:58:24,167 INFO L142 QuantifierPusher]: treesize reduction 48, result has 74.5 percent of original size [2021-04-16 06:58:24,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-04-16 06:58:25,270 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 40 [2021-04-16 06:58:25,275 INFO L142 QuantifierPusher]: treesize reduction 48, result has 74.5 percent of original size [2021-04-16 06:58:25,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-04-16 06:58:26,328 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 40 [2021-04-16 06:58:26,334 INFO L142 QuantifierPusher]: treesize reduction 48, result has 74.5 percent of original size [2021-04-16 06:58:26,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-04-16 06:58:27,401 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 47 [2021-04-16 06:58:27,407 INFO L142 QuantifierPusher]: treesize reduction 48, result has 74.5 percent of original size [2021-04-16 06:58:27,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-04-16 06:58:28,509 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 39 [2021-04-16 06:58:28,515 INFO L142 QuantifierPusher]: treesize reduction 48, result has 74.5 percent of original size [2021-04-16 06:58:28,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-04-16 06:58:29,580 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 46 [2021-04-16 06:58:29,586 INFO L142 QuantifierPusher]: treesize reduction 48, result has 74.5 percent of original size [2021-04-16 06:58:29,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-04-16 06:58:30,576 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 43 [2021-04-16 06:58:30,582 INFO L142 QuantifierPusher]: treesize reduction 26, result has 94.8 percent of original size [2021-04-16 06:58:30,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 477 [2021-04-16 06:58:32,149 WARN L205 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 66 [2021-04-16 06:58:32,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:58:32,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 06:58:32,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:58:32,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:58:33,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:58:33,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 06:58:33,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:58:33,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:58:33,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:58:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:58:33,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:58:33,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:58:33,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-04-16 06:58:33,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:58:33,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:58:33,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:58:33,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-04-16 06:58:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:58:33,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:58:33,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:58:33,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-04-16 06:58:33,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:58:33,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:58:34,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:58:34,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-04-16 06:58:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:58:34,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:58:34,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:58:34,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-04-16 06:58:34,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:58:34,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:58:34,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:58:34,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-04-16 06:58:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:58:34,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:58:34,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:58:34,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-04-16 06:58:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:58:34,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:58:34,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:58:34,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-04-16 06:58:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:58:34,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:58:34,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:58:34,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-04-16 06:58:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:58:34,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:58:34,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:58:34,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-04-16 06:58:34,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:58:34,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:58:34,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:58:34,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-04-16 06:58:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:58:34,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:58:34,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:58:34,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-04-16 06:58:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:58:34,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:58:34,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:58:34,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-04-16 06:58:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:58:34,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:58:34,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:58:34,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-04-16 06:58:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:58:34,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:58:34,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:58:34,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-04-16 06:58:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:58:34,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:58:34,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:58:34,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-04-16 06:58:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:58:34,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:58:34,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:58:34,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:58:34,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [17495147] [2021-04-16 06:58:34,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:58:34,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [80] imperfect sequences [] total 80 [2021-04-16 06:58:34,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88568155] [2021-04-16 06:58:34,091 INFO L460 AbstractCegarLoop]: Interpolant automaton has 80 states [2021-04-16 06:58:34,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:58:34,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2021-04-16 06:58:34,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=6089, Unknown=0, NotChecked=0, Total=6320 [2021-04-16 06:58:34,092 INFO L87 Difference]: Start difference. First operand 282 states and 286 transitions. Second operand has 80 states, 79 states have (on average 2.5316455696202533) internal successors, (200), 78 states have internal predecessors, (200), 18 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2021-04-16 06:58:37,820 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2021-04-16 06:58:38,727 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2021-04-16 06:58:39,420 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2021-04-16 06:58:40,182 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2021-04-16 06:58:40,977 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2021-04-16 06:58:41,821 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2021-04-16 06:58:42,573 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2021-04-16 06:58:43,172 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 31 [2021-04-16 06:58:45,778 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 120 DAG size of output: 74 [2021-04-16 06:58:47,720 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 57 [2021-04-16 06:58:49,560 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 58 [2021-04-16 06:58:51,182 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 58 [2021-04-16 06:58:52,991 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 57 [2021-04-16 06:58:54,922 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 58 [2021-04-16 06:58:57,117 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 58 [2021-04-16 06:58:59,371 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 58 [2021-04-16 06:59:01,494 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-04-16 06:59:04,349 WARN L205 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 66 [2021-04-16 06:59:07,067 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 66 [2021-04-16 06:59:10,140 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 66 [2021-04-16 06:59:11,699 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 49 [2021-04-16 06:59:13,187 WARN L205 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 58 [2021-04-16 06:59:14,615 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2021-04-16 06:59:16,113 WARN L205 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 67 [2021-04-16 06:59:17,228 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2021-04-16 06:59:18,774 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 59 [2021-04-16 06:59:20,062 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2021-04-16 06:59:21,450 WARN L205 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 58 [2021-04-16 06:59:23,370 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 68 DAG size of output: 57 [2021-04-16 06:59:25,195 WARN L205 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2021-04-16 06:59:27,217 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 92 DAG size of output: 62 [2021-04-16 06:59:42,077 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 68 [2021-04-16 06:59:44,087 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 104 DAG size of output: 76 [2021-04-16 06:59:45,589 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2021-04-16 06:59:47,874 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 55 [2021-04-16 06:59:49,854 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 56 [2021-04-16 06:59:51,913 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 62 [2021-04-16 06:59:54,287 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 67 [2021-04-16 06:59:56,646 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 67 [2021-04-16 06:59:58,890 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 62 [2021-04-16 07:00:01,213 WARN L205 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 67