/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/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label17.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 02:06:47,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 02:06:47,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 02:06:47,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-22 02:06:47,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 02:06:47,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 02:06:47,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 02:06:47,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 02:06:47,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 02:06:47,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 02:06:47,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 02:06:47,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 02:06:47,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 02:06:47,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 02:06:47,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 02:06:47,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 02:06:47,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-22 02:06:47,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 02:06:47,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 02:06:47,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 02:06:47,410 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-22 02:06:47,435 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 02:06:47,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 02:06:47,440 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 02:06:47,440 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 02:06:47,440 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 02:06:47,440 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 02:06:47,441 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 02:06:47,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 02:06:47,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 02:06:47,442 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 02:06:47,443 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 02:06:47,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 02:06:47,443 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 02:06:47,444 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 02:06:47,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 02:06:47,444 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 02:06:47,444 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 02:06:47,445 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 02:06:47,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 02:06:47,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 02:06:47,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 02:06:47,446 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 02:06:47,446 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 02:06:47,446 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 02:06:47,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 02:06:47,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 02:06:47,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 02:06:47,889 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 02:06:47,890 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 02:06:47,891 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label17.c [2021-02-22 02:06:47,991 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1786a4559/30021b3aed0447509db66b64e25c863e/FLAG60b0ee815 [2021-02-22 02:06:48,762 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 02:06:48,762 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label17.c [2021-02-22 02:06:48,786 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1786a4559/30021b3aed0447509db66b64e25c863e/FLAG60b0ee815 [2021-02-22 02:06:48,995 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1786a4559/30021b3aed0447509db66b64e25c863e [2021-02-22 02:06:48,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 02:06:49,014 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 02:06:49,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 02:06:49,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 02:06:49,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 02:06:49,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:06:48" (1/1) ... [2021-02-22 02:06:49,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@90c73dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:06:49, skipping insertion in model container [2021-02-22 02:06:49,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:06:48" (1/1) ... [2021-02-22 02:06:49,036 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 02:06:49,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 02:06:49,498 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label17.c[18943,18956] [2021-02-22 02:06:49,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:06:49,585 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 02:06:49,807 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label17.c[18943,18956] [2021-02-22 02:06:49,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:06:49,890 INFO L208 MainTranslator]: Completed translation [2021-02-22 02:06:49,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:06:49 WrapperNode [2021-02-22 02:06:49,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 02:06:49,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 02:06:49,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 02:06:49,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 02:06:49,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:06:49" (1/1) ... [2021-02-22 02:06:49,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:06:49" (1/1) ... [2021-02-22 02:06:49,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:06:49" (1/1) ... [2021-02-22 02:06:49,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:06:49" (1/1) ... [2021-02-22 02:06:49,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:06:49" (1/1) ... [2021-02-22 02:06:49,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:06:49" (1/1) ... [2021-02-22 02:06:49,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:06:49" (1/1) ... [2021-02-22 02:06:49,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 02:06:49,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 02:06:49,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 02:06:49,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 02:06:49,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:06:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 02:06:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 02:06:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 02:06:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 02:06:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2021-02-22 02:06:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 02:06:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2021-02-22 02:06:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 02:06:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 02:06:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 02:06:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 02:06:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 02:06:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-22 02:06:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 02:06:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 02:06:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 02:06:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 02:06:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 02:06:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 02:06:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 02:06:51,769 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 02:06:51,770 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-22 02:06:51,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:06:51 BoogieIcfgContainer [2021-02-22 02:06:51,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 02:06:51,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 02:06:51,775 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 02:06:51,779 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 02:06:51,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 02:06:48" (1/3) ... [2021-02-22 02:06:51,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4001954f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:06:51, skipping insertion in model container [2021-02-22 02:06:51,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:06:49" (2/3) ... [2021-02-22 02:06:51,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4001954f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:06:51, skipping insertion in model container [2021-02-22 02:06:51,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:06:51" (3/3) ... [2021-02-22 02:06:51,783 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label17.c [2021-02-22 02:06:51,790 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 02:06:51,796 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 02:06:51,817 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 02:06:51,843 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 02:06:51,844 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 02:06:51,844 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 02:06:51,844 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 02:06:51,844 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 02:06:51,844 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 02:06:51,845 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 02:06:51,845 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 02:06:51,873 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states. [2021-02-22 02:06:51,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-02-22 02:06:51,901 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:06:51,902 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 02:06:51,903 INFO L428 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:06:51,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:06:51,910 INFO L82 PathProgramCache]: Analyzing trace with hash 96420015, now seen corresponding path program 1 times [2021-02-22 02:06:51,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:06:51,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [750578276] [2021-02-22 02:06:51,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:06:52,002 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:06:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:06:52,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:52,518 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:06:52,537 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:52,538 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:06:52,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:52,540 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:06:52,542 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:52,544 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:06:52,687 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-02-22 02:06:52,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:06:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:06:52,766 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:52,767 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:06:52,768 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:52,769 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 02:06:52,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:06:52,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [750578276] [2021-02-22 02:06:52,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:06:52,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-22 02:06:52,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109403624] [2021-02-22 02:06:52,839 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-22 02:06:52,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:06:52,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-22 02:06:52,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-22 02:06:52,863 INFO L87 Difference]: Start difference. First operand 536 states. Second operand 4 states. [2021-02-22 02:06:53,158 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-02-22 02:06:55,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:06:55,713 INFO L93 Difference]: Finished difference Result 1215 states and 1661 transitions. [2021-02-22 02:06:55,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-22 02:06:55,721 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 153 [2021-02-22 02:06:55,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:06:55,751 INFO L225 Difference]: With dead ends: 1215 [2021-02-22 02:06:55,751 INFO L226 Difference]: Without dead ends: 636 [2021-02-22 02:06:55,760 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-22 02:06:55,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2021-02-22 02:06:55,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 623. [2021-02-22 02:06:55,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2021-02-22 02:06:55,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 759 transitions. [2021-02-22 02:06:55,981 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 759 transitions. Word has length 153 [2021-02-22 02:06:55,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:06:55,982 INFO L480 AbstractCegarLoop]: Abstraction has 623 states and 759 transitions. [2021-02-22 02:06:55,983 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-22 02:06:55,983 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 759 transitions. [2021-02-22 02:06:55,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-02-22 02:06:55,991 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:06:55,991 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 02:06:55,992 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 02:06:55,992 INFO L428 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:06:55,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:06:55,993 INFO L82 PathProgramCache]: Analyzing trace with hash 155889209, now seen corresponding path program 1 times [2021-02-22 02:06:55,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:06:55,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2136454518] [2021-02-22 02:06:55,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:06:56,064 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:06:56,093 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:06:56,103 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:06:56,110 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:06:56,141 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:06:56,154 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:06:56,164 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-22 02:06:56,169 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:06:56,174 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:56,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:06:56,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:56,180 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:06:56,183 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-22 02:06:56,187 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:06:56,192 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:06:56,195 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:06:56,201 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:06:56,231 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:06:56,234 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:06:56,243 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-22 02:06:56,247 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:06:56,252 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:56,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:06:56,254 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:56,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:06:56,269 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-22 02:06:56,269 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-22 02:06:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:06:56,546 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:56,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:06:56,553 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:56,554 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:06:56,555 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:56,556 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:06:56,565 WARN L141 QuantifierPusher]: treesize reduction 16, result has 33.3 percent of original size [2021-02-22 02:06:56,566 WARN L147 QuantifierPusher]: treesize reduction 16, result has 33.3 percent of original size 8 [2021-02-22 02:06:56,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:56,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-22 02:06:56,576 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:56,577 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:06:56,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:06:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:06:56,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:56,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:06:56,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:56,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 02:06:56,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:06:56,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:56,809 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-02-22 02:06:56,811 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:56,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:06:56,814 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:56,816 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-02-22 02:06:56,817 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-22 02:06:56,875 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:56,876 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-22 02:06:56,877 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:56,879 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-22 02:06:56,880 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:56,882 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-22 02:06:56,911 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:56,913 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-22 02:06:56,946 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:56,949 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:06:56,980 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:56,982 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-02-22 02:06:57,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:57,061 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-02-22 02:06:57,105 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:57,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-02-22 02:06:57,148 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:57,149 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-02-22 02:06:57,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:57,196 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-02-22 02:06:57,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:57,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-02-22 02:06:57,468 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2021-02-22 02:06:57,471 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:57,474 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-02-22 02:06:57,654 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2021-02-22 02:06:57,661 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:57,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-02-22 02:06:57,703 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:57,706 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 147 [2021-02-22 02:06:57,930 WARN L202 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-02-22 02:06:57,935 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:57,938 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-02-22 02:06:58,195 WARN L202 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2021-02-22 02:06:58,202 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:58,209 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 212 [2021-02-22 02:06:58,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:58,260 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 214 [2021-02-22 02:06:58,548 WARN L202 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2021-02-22 02:06:58,554 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:58,557 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 235 [2021-02-22 02:06:58,938 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2021-02-22 02:06:58,945 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:58,949 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 268 [2021-02-22 02:06:59,006 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:59,010 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 258 [2021-02-22 02:06:59,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:59,073 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 277 [2021-02-22 02:06:59,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:59,143 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 259 [2021-02-22 02:06:59,513 WARN L202 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2021-02-22 02:06:59,518 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:59,528 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 281 [2021-02-22 02:06:59,601 WARN L141 QuantifierPusher]: treesize reduction 235, result has 15.2 percent of original size [2021-02-22 02:06:59,602 WARN L147 QuantifierPusher]: treesize reduction 235, result has 15.2 percent of original size 42 [2021-02-22 02:06:59,668 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:59,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 02:06:59,720 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:59,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 02:06:59,772 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:59,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:06:59,774 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:59,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:06:59,776 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 02:06:59,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:59,858 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-22 02:06:59,921 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:59,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-22 02:06:59,966 WARN L141 QuantifierPusher]: treesize reduction -2, result has 107.1 percent of original size [2021-02-22 02:06:59,967 WARN L147 QuantifierPusher]: treesize reduction -2, result has 107.1 percent of original size 30 [2021-02-22 02:07:00,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:00,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 02:07:00,019 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:00,021 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:07:00,071 WARN L141 QuantifierPusher]: treesize reduction 8, result has 77.1 percent of original size [2021-02-22 02:07:00,072 WARN L147 QuantifierPusher]: treesize reduction 8, result has 77.1 percent of original size 27 [2021-02-22 02:07:00,074 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:00,075 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 02:07:00,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:00,132 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-22 02:07:00,188 WARN L141 QuantifierPusher]: treesize reduction 27, result has 3.6 percent of original size [2021-02-22 02:07:00,189 WARN L147 QuantifierPusher]: treesize reduction 27, result has 3.6 percent of original size 1 [2021-02-22 02:07:00,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2136454518] [2021-02-22 02:07:00,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:07:00,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-02-22 02:07:00,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951092792] [2021-02-22 02:07:00,191 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-02-22 02:07:00,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:07:00,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-02-22 02:07:00,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=248, Invalid=744, Unknown=0, NotChecked=0, Total=992 [2021-02-22 02:07:00,193 INFO L87 Difference]: Start difference. First operand 623 states and 759 transitions. Second operand 30 states. [2021-02-22 02:07:00,630 WARN L202 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2021-02-22 02:07:00,862 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2021-02-22 02:07:01,085 WARN L202 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2021-02-22 02:07:01,322 WARN L202 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 95 [2021-02-22 02:07:01,567 WARN L202 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 95 [2021-02-22 02:07:01,774 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 97 [2021-02-22 02:07:02,108 WARN L202 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 116 [2021-02-22 02:07:02,548 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 122 [2021-02-22 02:07:02,720 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2021-02-22 02:07:02,923 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2021-02-22 02:07:03,342 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 128 [2021-02-22 02:07:03,956 WARN L202 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 134 [2021-02-22 02:07:04,452 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 135 [2021-02-22 02:07:04,810 WARN L202 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2021-02-22 02:07:05,381 WARN L202 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 138 [2021-02-22 02:07:05,985 WARN L202 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 139 [2021-02-22 02:07:06,416 WARN L202 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2021-02-22 02:07:07,214 WARN L202 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 143 [2021-02-22 02:07:07,471 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-02-22 02:07:08,345 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-02-22 02:07:08,561 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-02-22 02:07:08,816 WARN L202 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-02-22 02:07:09,089 WARN L202 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2021-02-22 02:07:09,358 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2021-02-22 02:07:09,868 WARN L202 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2021-02-22 02:07:10,219 WARN L202 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-02-22 02:07:10,637 WARN L202 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2021-02-22 02:07:11,040 WARN L202 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2021-02-22 02:07:11,633 WARN L202 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2021-02-22 02:07:17,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:07:17,238 INFO L93 Difference]: Finished difference Result 1718 states and 2173 transitions. [2021-02-22 02:07:17,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-22 02:07:17,239 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 187 [2021-02-22 02:07:17,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:07:17,248 INFO L225 Difference]: With dead ends: 1718 [2021-02-22 02:07:17,248 INFO L226 Difference]: Without dead ends: 1125 [2021-02-22 02:07:17,254 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 10 SyntacticMatches, 6 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1441 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=976, Invalid=3716, Unknown=0, NotChecked=0, Total=4692 [2021-02-22 02:07:17,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2021-02-22 02:07:17,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 1052. [2021-02-22 02:07:17,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2021-02-22 02:07:17,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1326 transitions. [2021-02-22 02:07:17,504 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1326 transitions. Word has length 187 [2021-02-22 02:07:17,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:07:17,505 INFO L480 AbstractCegarLoop]: Abstraction has 1052 states and 1326 transitions. [2021-02-22 02:07:17,505 INFO L481 AbstractCegarLoop]: Interpolant automaton has 30 states. [2021-02-22 02:07:17,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1326 transitions. [2021-02-22 02:07:17,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-02-22 02:07:17,510 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:07:17,511 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 02:07:17,511 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-22 02:07:17,512 INFO L428 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:07:17,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:07:17,512 INFO L82 PathProgramCache]: Analyzing trace with hash 867372180, now seen corresponding path program 1 times [2021-02-22 02:07:17,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:07:17,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1926386223] [2021-02-22 02:07:17,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:07:17,539 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-22 02:07:17,545 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-22 02:07:17,547 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-22 02:07:17,553 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-22 02:07:17,583 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:07:17,587 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:07:17,592 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-22 02:07:17,604 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:07:17,606 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:17,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:07:17,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:17,610 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:07:17,612 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-22 02:07:17,614 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-22 02:07:17,620 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-22 02:07:17,625 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-22 02:07:17,632 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-22 02:07:17,658 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:07:17,660 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:07:17,665 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-22 02:07:17,667 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:07:17,668 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:17,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:07:17,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:17,672 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:07:17,673 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-22 02:07:17,675 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-22 02:07:17,679 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-22 02:07:17,681 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-22 02:07:17,685 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-22 02:07:17,711 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:07:17,714 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:07:17,717 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-22 02:07:17,718 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:07:17,720 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:17,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:07:17,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:17,745 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:07:17,748 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-22 02:07:17,750 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-22 02:07:17,754 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-22 02:07:17,756 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-22 02:07:17,760 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-22 02:07:17,786 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:07:17,788 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:07:17,790 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-22 02:07:17,791 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:07:17,792 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:17,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:07:17,793 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:17,796 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:07:17,797 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-22 02:07:17,797 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-22 02:07:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:07:17,919 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:17,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:07:17,923 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:17,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:07:17,924 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:17,925 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:07:17,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:17,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 02:07:17,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:17,942 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 02:07:17,943 WARN L141 QuantifierPusher]: treesize reduction 16, result has 40.7 percent of original size [2021-02-22 02:07:17,944 WARN L147 QuantifierPusher]: treesize reduction 16, result has 40.7 percent of original size 11 [2021-02-22 02:07:17,954 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:17,955 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-22 02:07:17,956 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:17,956 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:07:18,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:07:18,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:07:18,044 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:18,044 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:07:18,045 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:18,045 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 02:07:18,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:07:18,146 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:18,148 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-22 02:07:18,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:18,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:07:18,150 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:18,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-02-22 02:07:18,152 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-22 02:07:18,153 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:18,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:07:18,154 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:18,155 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-02-22 02:07:18,156 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-22 02:07:18,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:18,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 02:07:18,213 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:18,214 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 02:07:18,219 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:18,223 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-22 02:07:18,250 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:18,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:07:18,286 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:18,288 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-22 02:07:18,322 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:18,324 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-02-22 02:07:18,398 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:18,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-02-22 02:07:18,454 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:18,455 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-02-22 02:07:18,503 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:18,504 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-02-22 02:07:18,557 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:18,558 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-02-22 02:07:18,702 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2021-02-22 02:07:18,707 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:18,708 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-02-22 02:07:18,868 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2021-02-22 02:07:18,872 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:18,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-02-22 02:07:19,086 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2021-02-22 02:07:19,092 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:19,095 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 147 [2021-02-22 02:07:19,134 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:19,136 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-02-22 02:07:19,353 WARN L202 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2021-02-22 02:07:19,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:19,359 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-02-22 02:07:19,641 WARN L202 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2021-02-22 02:07:19,646 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:19,652 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 210 [2021-02-22 02:07:19,705 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:19,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 212 [2021-02-22 02:07:20,048 WARN L202 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2021-02-22 02:07:20,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:20,055 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 233 [2021-02-22 02:07:20,424 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2021-02-22 02:07:20,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:20,432 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 266 [2021-02-22 02:07:20,496 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:20,498 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 256 [2021-02-22 02:07:20,566 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:20,569 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 275 [2021-02-22 02:07:20,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:20,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 257 [2021-02-22 02:07:21,049 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2021-02-22 02:07:21,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:21,060 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 279 [2021-02-22 02:07:21,122 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:21,124 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 281 [2021-02-22 02:07:21,572 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2021-02-22 02:07:21,577 WARN L141 QuantifierPusher]: treesize reduction 257, result has 18.4 percent of original size [2021-02-22 02:07:21,578 WARN L147 QuantifierPusher]: treesize reduction 257, result has 18.4 percent of original size 58 [2021-02-22 02:07:21,686 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:21,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-22 02:07:21,758 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:21,765 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-22 02:07:21,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:21,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-22 02:07:21,876 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:21,879 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-22 02:07:21,927 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:21,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-22 02:07:21,988 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:21,989 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-22 02:07:22,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:22,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-22 02:07:22,055 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:22,057 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-02-22 02:07:22,117 WARN L141 QuantifierPusher]: treesize reduction 8, result has 75.8 percent of original size [2021-02-22 02:07:22,119 WARN L147 QuantifierPusher]: treesize reduction 8, result has 75.8 percent of original size 25 [2021-02-22 02:07:22,120 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:22,121 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-22 02:07:22,188 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:22,189 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-22 02:07:22,265 WARN L141 QuantifierPusher]: treesize reduction 30, result has 3.2 percent of original size [2021-02-22 02:07:22,266 WARN L147 QuantifierPusher]: treesize reduction 30, result has 3.2 percent of original size 1 [2021-02-22 02:07:22,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1926386223] [2021-02-22 02:07:22,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:07:22,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-02-22 02:07:22,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549359329] [2021-02-22 02:07:22,267 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-02-22 02:07:22,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:07:22,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-02-22 02:07:22,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=850, Unknown=0, NotChecked=0, Total=1122 [2021-02-22 02:07:22,268 INFO L87 Difference]: Start difference. First operand 1052 states and 1326 transitions. Second operand 31 states. [2021-02-22 02:07:22,682 WARN L202 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2021-02-22 02:07:22,910 WARN L202 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2021-02-22 02:07:23,133 WARN L202 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2021-02-22 02:07:23,379 WARN L202 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 95 [2021-02-22 02:07:23,631 WARN L202 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 95 [2021-02-22 02:07:23,884 WARN L202 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 97 [2021-02-22 02:07:24,224 WARN L202 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 116 [2021-02-22 02:07:24,681 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 122 [2021-02-22 02:07:24,839 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2021-02-22 02:07:25,026 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2021-02-22 02:07:25,465 WARN L202 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 128 [2021-02-22 02:07:26,054 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 134 [2021-02-22 02:07:26,610 WARN L202 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 135 [2021-02-22 02:07:26,987 WARN L202 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2021-02-22 02:07:27,557 WARN L202 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 138 [2021-02-22 02:07:28,217 WARN L202 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 139 [2021-02-22 02:07:28,689 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2021-02-22 02:07:29,500 WARN L202 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 143 [2021-02-22 02:07:30,299 WARN L202 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 144 [2021-02-22 02:07:30,494 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-02-22 02:07:31,315 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-02-22 02:07:31,542 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-02-22 02:07:31,788 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-02-22 02:07:32,062 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2021-02-22 02:07:32,358 WARN L202 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2021-02-22 02:07:32,757 WARN L202 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2021-02-22 02:07:33,153 WARN L202 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-02-22 02:07:33,667 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2021-02-22 02:07:34,063 WARN L202 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2021-02-22 02:07:34,621 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2021-02-22 02:07:35,144 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2021-02-22 02:07:39,057 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 101 [2021-02-22 02:07:40,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:07:40,881 INFO L93 Difference]: Finished difference Result 3028 states and 3943 transitions. [2021-02-22 02:07:40,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-02-22 02:07:40,882 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 188 [2021-02-22 02:07:40,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:07:40,898 INFO L225 Difference]: With dead ends: 3028 [2021-02-22 02:07:40,898 INFO L226 Difference]: Without dead ends: 2006 [2021-02-22 02:07:40,905 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 11 SyntacticMatches, 6 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1623 ImplicationChecksByTransitivity, 14.9s TimeCoverageRelationStatistics Valid=1138, Invalid=4264, Unknown=0, NotChecked=0, Total=5402 [2021-02-22 02:07:40,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2006 states. [2021-02-22 02:07:41,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2006 to 1775. [2021-02-22 02:07:41,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1775 states. [2021-02-22 02:07:41,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1775 states and 2260 transitions. [2021-02-22 02:07:41,384 INFO L78 Accepts]: Start accepts. Automaton has 1775 states and 2260 transitions. Word has length 188 [2021-02-22 02:07:41,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:07:41,385 INFO L480 AbstractCegarLoop]: Abstraction has 1775 states and 2260 transitions. [2021-02-22 02:07:41,385 INFO L481 AbstractCegarLoop]: Interpolant automaton has 31 states. [2021-02-22 02:07:41,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2260 transitions. [2021-02-22 02:07:41,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-02-22 02:07:41,396 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:07:41,396 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 02:07:41,396 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-22 02:07:41,397 INFO L428 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:07:41,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:07:41,397 INFO L82 PathProgramCache]: Analyzing trace with hash 287485749, now seen corresponding path program 1 times [2021-02-22 02:07:41,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:07:41,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [425751348] [2021-02-22 02:07:41,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:07:41,419 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:07:41,425 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:07:41,428 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:07:41,441 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:07:41,467 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:07:41,469 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:07:41,471 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-22 02:07:41,474 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:07:41,476 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:41,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:07:41,477 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:41,480 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:07:41,481 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-22 02:07:41,483 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:07:41,502 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:07:41,504 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:07:41,514 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:07:41,542 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:07:41,544 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:07:41,546 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-22 02:07:41,547 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:07:41,548 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:41,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:07:41,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:41,552 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:07:41,553 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-22 02:07:41,554 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:07:41,558 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:07:41,560 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:07:41,563 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:07:41,592 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:07:41,594 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:07:41,596 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-22 02:07:41,597 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:07:41,598 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:41,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:07:41,599 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:41,602 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:07:41,603 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-22 02:07:41,605 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:07:41,608 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:07:41,611 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:07:41,614 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:07:41,644 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:07:41,646 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:07:41,648 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-22 02:07:41,650 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:07:41,651 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:41,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:07:41,652 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:41,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:07:41,655 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-22 02:07:41,655 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-22 02:07:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:07:41,782 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:41,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:07:41,788 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:41,789 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:07:41,790 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:41,790 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:07:41,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:41,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 02:07:41,808 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:41,808 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 02:07:41,810 WARN L141 QuantifierPusher]: treesize reduction 34, result has 30.6 percent of original size [2021-02-22 02:07:41,810 WARN L147 QuantifierPusher]: treesize reduction 34, result has 30.6 percent of original size 15 [2021-02-22 02:07:41,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:41,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 02:07:41,824 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:41,825 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:07:41,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:07:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:07:41,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:41,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:07:41,917 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:41,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:07:41,925 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-22 02:07:41,925 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-22 02:07:42,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:07:42,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:42,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:07:42,048 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:42,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:07:42,050 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:42,051 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-22 02:07:42,051 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:07:42,052 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:42,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:07:42,054 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:42,055 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-22 02:07:42,055 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:07:42,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:42,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-22 02:07:42,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:42,133 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-22 02:07:42,134 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:42,135 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:07:42,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:42,176 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-02-22 02:07:42,216 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:42,219 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-02-22 02:07:42,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:42,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-22 02:07:42,340 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:42,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-02-22 02:07:42,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:42,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-02-22 02:07:42,471 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:42,472 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-02-22 02:07:42,533 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:42,535 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-02-22 02:07:42,674 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2021-02-22 02:07:42,676 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:42,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-02-22 02:07:42,848 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-02-22 02:07:42,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:42,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-02-22 02:07:43,048 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-02-22 02:07:43,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:43,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-02-22 02:07:43,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:43,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-02-22 02:07:43,323 WARN L202 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-02-22 02:07:43,326 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:43,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-02-22 02:07:43,586 WARN L202 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-02-22 02:07:43,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:43,592 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-02-22 02:07:43,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:43,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-02-22 02:07:43,951 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2021-02-22 02:07:43,956 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:43,960 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 209 [2021-02-22 02:07:44,317 WARN L202 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2021-02-22 02:07:44,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:44,323 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-02-22 02:07:44,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:44,396 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 218 [2021-02-22 02:07:44,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:44,463 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 237 [2021-02-22 02:07:44,536 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:44,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 219 [2021-02-22 02:07:44,611 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:44,614 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 217 [2021-02-22 02:07:44,681 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:44,684 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 219 [2021-02-22 02:07:44,752 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:44,754 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 239 [2021-02-22 02:07:45,132 WARN L202 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 67 [2021-02-22 02:07:45,135 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:45,140 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 249 [2021-02-22 02:07:45,203 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:45,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 239 [2021-02-22 02:07:45,271 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:45,275 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 258 [2021-02-22 02:07:45,343 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:45,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 238 [2021-02-22 02:07:45,413 WARN L141 QuantifierPusher]: treesize reduction 193, result has 17.9 percent of original size [2021-02-22 02:07:45,413 WARN L147 QuantifierPusher]: treesize reduction 193, result has 17.9 percent of original size 42 [2021-02-22 02:07:45,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:45,494 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 02:07:45,552 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:45,553 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 02:07:45,601 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:45,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:07:45,603 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:45,603 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:07:45,604 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 02:07:45,676 WARN L141 QuantifierPusher]: treesize reduction -2, result has 107.1 percent of original size [2021-02-22 02:07:45,676 WARN L147 QuantifierPusher]: treesize reduction -2, result has 107.1 percent of original size 30 [2021-02-22 02:07:45,735 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:45,736 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 02:07:45,738 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:45,743 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:07:45,800 WARN L141 QuantifierPusher]: treesize reduction 8, result has 77.1 percent of original size [2021-02-22 02:07:45,801 WARN L147 QuantifierPusher]: treesize reduction 8, result has 77.1 percent of original size 27 [2021-02-22 02:07:45,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:45,842 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 02:07:45,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:07:45,909 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-22 02:07:45,972 WARN L141 QuantifierPusher]: treesize reduction 34, result has 2.9 percent of original size [2021-02-22 02:07:45,973 WARN L147 QuantifierPusher]: treesize reduction 34, result has 2.9 percent of original size 1 [2021-02-22 02:07:45,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [425751348] [2021-02-22 02:07:45,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:07:45,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-02-22 02:07:45,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807610055] [2021-02-22 02:07:45,974 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-02-22 02:07:45,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:07:45,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-02-22 02:07:45,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=733, Unknown=0, NotChecked=0, Total=992 [2021-02-22 02:07:45,975 INFO L87 Difference]: Start difference. First operand 1775 states and 2260 transitions. Second operand 29 states. [2021-02-22 02:07:46,491 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2021-02-22 02:07:46,744 WARN L202 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 94 [2021-02-22 02:07:46,989 WARN L202 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2021-02-22 02:07:47,254 WARN L202 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 97 [2021-02-22 02:07:47,518 WARN L202 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 97 [2021-02-22 02:07:47,792 WARN L202 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 99 [2021-02-22 02:07:48,130 WARN L202 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 110 [2021-02-22 02:07:48,267 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2021-02-22 02:07:48,644 WARN L202 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 116 [2021-02-22 02:07:48,809 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2021-02-22 02:07:49,223 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 125 [2021-02-22 02:07:49,826 WARN L202 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 131 [2021-02-22 02:07:50,408 WARN L202 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 132 [2021-02-22 02:07:50,558 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-02-22 02:07:51,162 WARN L202 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 133 [2021-02-22 02:07:51,773 WARN L202 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 134 [2021-02-22 02:07:52,080 WARN L202 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2021-02-22 02:07:53,112 WARN L202 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 135 [2021-02-22 02:07:53,546 WARN L202 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-02-22 02:07:54,722 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-02-22 02:07:54,960 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-02-22 02:07:55,213 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-02-22 02:07:55,513 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-02-22 02:07:55,859 WARN L202 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2021-02-22 02:07:56,245 WARN L202 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2021-02-22 02:07:56,619 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2021-02-22 02:07:57,043 WARN L202 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2021-02-22 02:07:57,458 WARN L202 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-02-22 02:07:58,394 WARN L202 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-02-22 02:08:05,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:08:05,177 INFO L93 Difference]: Finished difference Result 5371 states and 7156 transitions. [2021-02-22 02:08:05,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-02-22 02:08:05,178 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 191 [2021-02-22 02:08:05,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:08:05,204 INFO L225 Difference]: With dead ends: 5371 [2021-02-22 02:08:05,204 INFO L226 Difference]: Without dead ends: 3626 [2021-02-22 02:08:05,214 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 10 SyntacticMatches, 13 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1559 ImplicationChecksByTransitivity, 13.0s TimeCoverageRelationStatistics Valid=1083, Invalid=3747, Unknown=0, NotChecked=0, Total=4830 [2021-02-22 02:08:05,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3626 states. [2021-02-22 02:08:06,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3626 to 2640. [2021-02-22 02:08:06,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2640 states. [2021-02-22 02:08:06,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2640 states to 2640 states and 3322 transitions. [2021-02-22 02:08:06,035 INFO L78 Accepts]: Start accepts. Automaton has 2640 states and 3322 transitions. Word has length 191 [2021-02-22 02:08:06,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:08:06,036 INFO L480 AbstractCegarLoop]: Abstraction has 2640 states and 3322 transitions. [2021-02-22 02:08:06,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has 29 states. [2021-02-22 02:08:06,036 INFO L276 IsEmpty]: Start isEmpty. Operand 2640 states and 3322 transitions. [2021-02-22 02:08:06,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-02-22 02:08:06,047 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:08:06,048 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 02:08:06,048 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-02-22 02:08:06,048 INFO L428 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:08:06,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:08:06,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1304535686, now seen corresponding path program 1 times [2021-02-22 02:08:06,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:08:06,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [645337647] [2021-02-22 02:08:06,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:08:06,083 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:08:06,086 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:08:06,088 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:08:06,091 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:08:06,118 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:06,120 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:06,122 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-22 02:08:06,123 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:06,124 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:06,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,128 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:06,129 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-22 02:08:06,130 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:08:06,133 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:08:06,135 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:08:06,138 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:08:06,192 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:06,194 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:06,197 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-22 02:08:06,198 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:06,200 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:06,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,202 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:06,203 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-22 02:08:06,204 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:08:06,213 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:08:06,215 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:08:06,217 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:08:06,253 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:06,255 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:06,257 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-22 02:08:06,258 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:06,259 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:06,259 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,262 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:06,263 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-22 02:08:06,264 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:08:06,271 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:08:06,272 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:08:06,275 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:08:06,310 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:06,312 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:06,315 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-22 02:08:06,316 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:06,317 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:06,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,320 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:06,321 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-22 02:08:06,323 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:08:06,326 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:08:06,328 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:08:06,330 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:08:06,365 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:06,367 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:06,369 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-22 02:08:06,370 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:06,371 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:06,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:06,374 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-22 02:08:06,376 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:08:06,383 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:08:06,385 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:08:06,388 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:08:06,420 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:06,422 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:06,424 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-22 02:08:06,424 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:06,426 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:06,427 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,433 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:06,434 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-22 02:08:06,436 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:08:06,439 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:08:06,440 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:08:06,443 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:08:06,475 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:06,477 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:06,478 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-22 02:08:06,479 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:06,480 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:06,482 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,484 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:06,485 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-22 02:08:06,486 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:08:06,491 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:08:06,493 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:08:06,496 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:08:06,531 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:06,532 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:06,534 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-22 02:08:06,535 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:06,536 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:06,537 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:06,540 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-22 02:08:06,543 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:08:06,546 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:08:06,548 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:08:06,551 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:08:06,586 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:06,588 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:06,592 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-22 02:08:06,593 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:06,594 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:06,595 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,597 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:06,598 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-22 02:08:06,600 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:08:06,603 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:08:06,604 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:08:06,607 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:08:06,634 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:06,636 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:06,637 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-22 02:08:06,639 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:06,640 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:06,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,644 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:06,645 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-22 02:08:06,646 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-22 02:08:06,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:08:06,769 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,769 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:08:06,772 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,773 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:08:06,773 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,774 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:08:06,774 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,774 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:08:06,781 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,781 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:08:06,782 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,782 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:08:06,783 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,784 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:08:06,784 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,785 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:08:06,785 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,786 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:08:06,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:08:06,787 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:08:06,788 WARN L141 QuantifierPusher]: treesize reduction 17, result has 39.3 percent of original size [2021-02-22 02:08:06,789 WARN L147 QuantifierPusher]: treesize reduction 17, result has 39.3 percent of original size 11 [2021-02-22 02:08:06,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,799 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-22 02:08:06,799 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,800 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-22 02:08:06,813 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,814 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:08:06,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:08:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:08:06,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,898 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:08:06,899 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:06,899 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 02:08:07,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:08:07,018 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:07,019 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:08:07,020 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:07,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:07,021 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:07,022 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-22 02:08:07,022 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:08:07,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:07,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:07,025 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:07,025 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-22 02:08:07,026 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:08:07,027 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:07,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:07,029 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:07,029 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-22 02:08:07,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:08:07,031 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:07,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:07,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:07,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-22 02:08:07,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:08:07,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:07,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:07,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:07,037 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-22 02:08:07,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:08:07,039 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:07,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:07,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:07,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:08:07,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-02-22 02:08:07,080 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:07,081 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:08:07,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:07,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:08:07,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:07,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-22 02:08:07,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:07,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 02:08:07,111 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:07,112 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 02:08:07,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:07,127 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-22 02:08:07,167 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:07,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-22 02:08:07,203 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:07,204 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-22 02:08:07,228 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:07,229 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 02:08:07,256 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:07,257 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:08:07,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:07,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-02-22 02:08:07,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:07,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:07,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:07,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:08:07,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-22 02:08:07,996 WARN L202 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2021-02-22 02:08:07,997 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:07,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:07,998 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:07,998 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:08:07,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 02:08:08,710 WARN L202 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2021-02-22 02:08:08,712 WARN L141 QuantifierPusher]: treesize reduction -2, result has 106.1 percent of original size [2021-02-22 02:08:08,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:08,713 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:08,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:08:08,714 WARN L147 QuantifierPusher]: treesize reduction -2, result has 106.1 percent of original size 35 [2021-02-22 02:08:08,793 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:08,794 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 02:08:08,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:08,799 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:08:08,839 WARN L141 QuantifierPusher]: treesize reduction 8, result has 77.1 percent of original size [2021-02-22 02:08:08,840 WARN L147 QuantifierPusher]: treesize reduction 8, result has 77.1 percent of original size 27 [2021-02-22 02:08:08,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:08,842 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 02:08:08,888 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:08,889 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-22 02:08:08,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:08,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-22 02:08:08,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:08,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-22 02:08:08,967 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:08,968 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-22 02:08:09,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:09,044 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:09,096 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:09,097 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-22 02:08:09,150 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:09,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-02-22 02:08:09,250 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:09,252 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-02-22 02:08:09,320 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:09,321 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-02-22 02:08:09,380 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:09,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-02-22 02:08:09,442 WARN L141 QuantifierPusher]: treesize reduction 38, result has 53.1 percent of original size [2021-02-22 02:08:09,442 WARN L147 QuantifierPusher]: treesize reduction 38, result has 53.1 percent of original size 43 [2021-02-22 02:08:09,443 WARN L141 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-02-22 02:08:09,444 WARN L147 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size 43 [2021-02-22 02:08:09,445 WARN L141 QuantifierPusher]: treesize reduction 25, result has 63.2 percent of original size [2021-02-22 02:08:09,446 WARN L147 QuantifierPusher]: treesize reduction 25, result has 63.2 percent of original size 43 [2021-02-22 02:08:09,447 WARN L141 QuantifierPusher]: treesize reduction 26, result has 62.3 percent of original size [2021-02-22 02:08:09,448 WARN L147 QuantifierPusher]: treesize reduction 26, result has 62.3 percent of original size 43 [2021-02-22 02:08:09,449 WARN L141 QuantifierPusher]: treesize reduction 24, result has 64.2 percent of original size [2021-02-22 02:08:09,449 WARN L147 QuantifierPusher]: treesize reduction 24, result has 64.2 percent of original size 43 [2021-02-22 02:08:09,450 WARN L141 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-02-22 02:08:09,451 WARN L147 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size 43 [2021-02-22 02:08:09,453 WARN L141 QuantifierPusher]: treesize reduction 46, result has 48.3 percent of original size [2021-02-22 02:08:09,454 WARN L147 QuantifierPusher]: treesize reduction 46, result has 48.3 percent of original size 43 [2021-02-22 02:08:09,456 WARN L141 QuantifierPusher]: treesize reduction 48, result has 47.3 percent of original size [2021-02-22 02:08:09,457 WARN L147 QuantifierPusher]: treesize reduction 48, result has 47.3 percent of original size 43 [2021-02-22 02:08:09,458 WARN L141 QuantifierPusher]: treesize reduction 38, result has 53.1 percent of original size [2021-02-22 02:08:09,459 WARN L147 QuantifierPusher]: treesize reduction 38, result has 53.1 percent of original size 43 [2021-02-22 02:08:09,460 WARN L141 QuantifierPusher]: treesize reduction 37, result has 53.8 percent of original size [2021-02-22 02:08:09,461 WARN L147 QuantifierPusher]: treesize reduction 37, result has 53.8 percent of original size 43 [2021-02-22 02:08:09,462 WARN L141 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-02-22 02:08:09,462 WARN L147 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size 43 [2021-02-22 02:08:09,464 WARN L141 QuantifierPusher]: treesize reduction 46, result has 48.3 percent of original size [2021-02-22 02:08:09,465 WARN L147 QuantifierPusher]: treesize reduction 46, result has 48.3 percent of original size 43 [2021-02-22 02:08:09,466 WARN L141 QuantifierPusher]: treesize reduction 28, result has 60.6 percent of original size [2021-02-22 02:08:09,467 WARN L147 QuantifierPusher]: treesize reduction 28, result has 60.6 percent of original size 43 [2021-02-22 02:08:09,468 WARN L141 QuantifierPusher]: treesize reduction 26, result has 62.3 percent of original size [2021-02-22 02:08:09,469 WARN L147 QuantifierPusher]: treesize reduction 26, result has 62.3 percent of original size 43 [2021-02-22 02:08:09,470 WARN L141 QuantifierPusher]: treesize reduction 28, result has 60.6 percent of original size [2021-02-22 02:08:09,471 WARN L147 QuantifierPusher]: treesize reduction 28, result has 60.6 percent of original size 43 [2021-02-22 02:08:09,472 WARN L141 QuantifierPusher]: treesize reduction 48, result has 47.3 percent of original size [2021-02-22 02:08:09,473 WARN L147 QuantifierPusher]: treesize reduction 48, result has 47.3 percent of original size 43 [2021-02-22 02:08:09,474 WARN L141 QuantifierPusher]: treesize reduction 37, result has 53.8 percent of original size [2021-02-22 02:08:09,474 WARN L147 QuantifierPusher]: treesize reduction 37, result has 53.8 percent of original size 43 [2021-02-22 02:08:09,475 WARN L141 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-02-22 02:08:09,476 WARN L147 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size 43 [2021-02-22 02:08:09,477 WARN L141 QuantifierPusher]: treesize reduction 46, result has 48.3 percent of original size [2021-02-22 02:08:09,478 WARN L147 QuantifierPusher]: treesize reduction 46, result has 48.3 percent of original size 43 [2021-02-22 02:08:09,479 WARN L141 QuantifierPusher]: treesize reduction 26, result has 62.3 percent of original size [2021-02-22 02:08:09,480 WARN L147 QuantifierPusher]: treesize reduction 26, result has 62.3 percent of original size 43 [2021-02-22 02:08:09,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:09,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:08:09,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:09,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:08:09,482 WARN L141 QuantifierPusher]: treesize reduction 39, result has 2.5 percent of original size [2021-02-22 02:08:09,483 WARN L147 QuantifierPusher]: treesize reduction 39, result has 2.5 percent of original size 1 [2021-02-22 02:08:09,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [645337647] [2021-02-22 02:08:09,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:08:09,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-02-22 02:08:09,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692653859] [2021-02-22 02:08:09,484 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-02-22 02:08:09,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:08:09,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-02-22 02:08:09,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=663, Unknown=0, NotChecked=0, Total=870 [2021-02-22 02:08:09,486 INFO L87 Difference]: Start difference. First operand 2640 states and 3322 transitions. Second operand 27 states. [2021-02-22 02:08:09,888 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-02-22 02:08:10,139 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-02-22 02:08:10,269 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-02-22 02:08:10,411 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-02-22 02:08:10,576 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-02-22 02:08:11,175 WARN L202 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-02-22 02:08:11,382 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-02-22 02:08:12,035 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-02-22 02:08:12,252 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-02-22 02:08:13,282 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-02-22 02:08:18,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:08:18,921 INFO L93 Difference]: Finished difference Result 6080 states and 7954 transitions. [2021-02-22 02:08:18,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-22 02:08:18,922 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 209 [2021-02-22 02:08:18,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:08:18,947 INFO L225 Difference]: With dead ends: 6080 [2021-02-22 02:08:18,948 INFO L226 Difference]: Without dead ends: 3367 [2021-02-22 02:08:18,959 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 710 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=426, Invalid=1554, Unknown=0, NotChecked=0, Total=1980 [2021-02-22 02:08:18,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3367 states. [2021-02-22 02:08:19,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3367 to 2636. [2021-02-22 02:08:19,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2636 states. [2021-02-22 02:08:19,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2636 states to 2636 states and 3323 transitions. [2021-02-22 02:08:19,778 INFO L78 Accepts]: Start accepts. Automaton has 2636 states and 3323 transitions. Word has length 209 [2021-02-22 02:08:19,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:08:19,779 INFO L480 AbstractCegarLoop]: Abstraction has 2636 states and 3323 transitions. [2021-02-22 02:08:19,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has 27 states. [2021-02-22 02:08:19,779 INFO L276 IsEmpty]: Start isEmpty. Operand 2636 states and 3323 transitions. [2021-02-22 02:08:19,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-02-22 02:08:19,791 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:08:19,792 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 02:08:19,792 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-02-22 02:08:19,792 INFO L428 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:08:19,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:08:19,793 INFO L82 PathProgramCache]: Analyzing trace with hash -248891616, now seen corresponding path program 1 times [2021-02-22 02:08:19,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:08:19,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1791092342] [2021-02-22 02:08:19,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:08:19,825 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.0 percent of original size [2021-02-22 02:08:19,830 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.0 percent of original size 49 [2021-02-22 02:08:19,832 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.0 percent of original size [2021-02-22 02:08:19,835 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.0 percent of original size 49 [2021-02-22 02:08:19,861 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size [2021-02-22 02:08:19,862 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size 27 [2021-02-22 02:08:19,864 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.0 percent of original size [2021-02-22 02:08:19,864 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:19,867 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:19,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:19,868 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:19,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-22 02:08:19,871 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.0 percent of original size 66 [2021-02-22 02:08:19,872 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:08:19,880 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:08:19,882 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:08:19,886 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:08:19,922 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:19,924 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:19,926 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-22 02:08:19,927 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:19,928 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:19,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:19,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:19,934 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:19,935 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-22 02:08:19,936 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:08:19,940 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:08:19,942 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:08:19,944 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:08:19,983 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:19,984 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:19,986 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-22 02:08:19,988 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:19,989 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:19,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:19,991 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:19,993 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:19,994 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-22 02:08:19,995 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:08:19,999 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:08:20,000 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:08:20,004 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:08:20,038 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:20,039 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:20,042 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-22 02:08:20,043 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:20,044 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:20,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,048 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:20,048 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-22 02:08:20,050 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:08:20,054 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:08:20,057 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:08:20,060 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:08:20,099 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:20,101 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:20,103 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-22 02:08:20,104 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:20,106 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:20,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,109 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:20,110 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-22 02:08:20,110 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-22 02:08:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:08:20,201 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:08:20,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:08:20,206 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,206 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:08:20,207 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,207 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:08:20,214 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:08:20,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,216 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:08:20,216 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,217 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:08:20,217 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,218 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:08:20,218 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,219 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:08:20,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:08:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:08:20,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,303 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:08:20,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 02:08:20,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:08:20,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-02-22 02:08:20,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:20,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-22 02:08:20,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:08:20,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:20,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-22 02:08:20,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:08:20,379 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:20,380 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-22 02:08:20,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:08:20,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:08:20,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:08:20,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-22 02:08:20,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 02:08:20,432 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,433 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 02:08:20,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,447 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-22 02:08:20,484 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-22 02:08:20,519 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,520 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-22 02:08:20,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 02:08:20,574 WARN L141 QuantifierPusher]: treesize reduction 4, result has 93.4 percent of original size [2021-02-22 02:08:20,575 WARN L147 QuantifierPusher]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-02-22 02:08:20,645 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-02-22 02:08:20,647 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size 80 [2021-02-22 02:08:20,750 WARN L141 QuantifierPusher]: treesize reduction 57, result has 40.0 percent of original size [2021-02-22 02:08:20,751 WARN L147 QuantifierPusher]: treesize reduction 57, result has 40.0 percent of original size 38 [2021-02-22 02:08:20,813 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,814 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 02:08:20,860 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-22 02:08:20,911 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,912 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-22 02:08:20,957 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,958 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-22 02:08:20,959 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:20,961 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-02-22 02:08:21,000 WARN L141 QuantifierPusher]: treesize reduction 8, result has 75.8 percent of original size [2021-02-22 02:08:21,001 WARN L147 QuantifierPusher]: treesize reduction 8, result has 75.8 percent of original size 25 [2021-02-22 02:08:21,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:21,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-22 02:08:21,045 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:21,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-22 02:08:21,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:21,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-22 02:08:21,084 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:21,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 02:08:21,118 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:21,119 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 02:08:21,162 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:21,163 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-22 02:08:21,213 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:21,214 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-22 02:08:21,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:21,265 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-02-22 02:08:21,358 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:21,359 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-02-22 02:08:21,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:21,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-02-22 02:08:21,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:21,487 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-02-22 02:08:21,560 WARN L141 QuantifierPusher]: treesize reduction 38, result has 51.9 percent of original size [2021-02-22 02:08:21,561 WARN L147 QuantifierPusher]: treesize reduction 38, result has 51.9 percent of original size 41 [2021-02-22 02:08:21,562 WARN L141 QuantifierPusher]: treesize reduction 27, result has 60.3 percent of original size [2021-02-22 02:08:21,563 WARN L147 QuantifierPusher]: treesize reduction 27, result has 60.3 percent of original size 41 [2021-02-22 02:08:21,564 WARN L141 QuantifierPusher]: treesize reduction 25, result has 62.1 percent of original size [2021-02-22 02:08:21,565 WARN L147 QuantifierPusher]: treesize reduction 25, result has 62.1 percent of original size 41 [2021-02-22 02:08:21,566 WARN L141 QuantifierPusher]: treesize reduction 26, result has 61.2 percent of original size [2021-02-22 02:08:21,569 WARN L147 QuantifierPusher]: treesize reduction 26, result has 61.2 percent of original size 41 [2021-02-22 02:08:21,570 WARN L141 QuantifierPusher]: treesize reduction 24, result has 63.1 percent of original size [2021-02-22 02:08:21,571 WARN L147 QuantifierPusher]: treesize reduction 24, result has 63.1 percent of original size 41 [2021-02-22 02:08:21,572 WARN L141 QuantifierPusher]: treesize reduction 27, result has 60.3 percent of original size [2021-02-22 02:08:21,572 WARN L147 QuantifierPusher]: treesize reduction 27, result has 60.3 percent of original size 41 [2021-02-22 02:08:21,573 WARN L141 QuantifierPusher]: treesize reduction 46, result has 47.1 percent of original size [2021-02-22 02:08:21,574 WARN L147 QuantifierPusher]: treesize reduction 46, result has 47.1 percent of original size 41 [2021-02-22 02:08:21,575 WARN L141 QuantifierPusher]: treesize reduction 44, result has 50.6 percent of original size [2021-02-22 02:08:21,576 WARN L147 QuantifierPusher]: treesize reduction 44, result has 50.6 percent of original size 45 [2021-02-22 02:08:21,678 WARN L141 QuantifierPusher]: treesize reduction 38, result has 50.0 percent of original size [2021-02-22 02:08:21,679 WARN L147 QuantifierPusher]: treesize reduction 38, result has 50.0 percent of original size 38 [2021-02-22 02:08:21,680 WARN L141 QuantifierPusher]: treesize reduction 37, result has 50.7 percent of original size [2021-02-22 02:08:21,681 WARN L147 QuantifierPusher]: treesize reduction 37, result has 50.7 percent of original size 38 [2021-02-22 02:08:21,682 WARN L141 QuantifierPusher]: treesize reduction 27, result has 58.5 percent of original size [2021-02-22 02:08:21,683 WARN L147 QuantifierPusher]: treesize reduction 27, result has 58.5 percent of original size 38 [2021-02-22 02:08:21,685 WARN L141 QuantifierPusher]: treesize reduction 46, result has 45.2 percent of original size [2021-02-22 02:08:21,685 WARN L147 QuantifierPusher]: treesize reduction 46, result has 45.2 percent of original size 38 [2021-02-22 02:08:21,687 WARN L141 QuantifierPusher]: treesize reduction 28, result has 57.6 percent of original size [2021-02-22 02:08:21,687 WARN L147 QuantifierPusher]: treesize reduction 28, result has 57.6 percent of original size 38 [2021-02-22 02:08:21,689 WARN L141 QuantifierPusher]: treesize reduction 26, result has 59.4 percent of original size [2021-02-22 02:08:21,689 WARN L147 QuantifierPusher]: treesize reduction 26, result has 59.4 percent of original size 38 [2021-02-22 02:08:21,691 WARN L141 QuantifierPusher]: treesize reduction 28, result has 57.6 percent of original size [2021-02-22 02:08:21,692 WARN L147 QuantifierPusher]: treesize reduction 28, result has 57.6 percent of original size 38 [2021-02-22 02:08:21,693 WARN L141 QuantifierPusher]: treesize reduction 44, result has 48.8 percent of original size [2021-02-22 02:08:21,694 WARN L147 QuantifierPusher]: treesize reduction 44, result has 48.8 percent of original size 42 [2021-02-22 02:08:21,823 WARN L141 QuantifierPusher]: treesize reduction 37, result has 48.6 percent of original size [2021-02-22 02:08:21,824 WARN L147 QuantifierPusher]: treesize reduction 37, result has 48.6 percent of original size 35 [2021-02-22 02:08:21,825 WARN L141 QuantifierPusher]: treesize reduction 27, result has 56.5 percent of original size [2021-02-22 02:08:21,826 WARN L147 QuantifierPusher]: treesize reduction 27, result has 56.5 percent of original size 35 [2021-02-22 02:08:21,827 WARN L141 QuantifierPusher]: treesize reduction 46, result has 43.2 percent of original size [2021-02-22 02:08:21,828 WARN L147 QuantifierPusher]: treesize reduction 46, result has 43.2 percent of original size 35 [2021-02-22 02:08:21,828 WARN L141 QuantifierPusher]: treesize reduction 26, result has 57.4 percent of original size [2021-02-22 02:08:21,829 WARN L147 QuantifierPusher]: treesize reduction 26, result has 57.4 percent of original size 35 [2021-02-22 02:08:21,829 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:21,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:08:21,831 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:21,831 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:08:21,832 WARN L141 QuantifierPusher]: treesize reduction 26, result has 3.7 percent of original size [2021-02-22 02:08:21,833 WARN L147 QuantifierPusher]: treesize reduction 26, result has 3.7 percent of original size 1 [2021-02-22 02:08:21,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1791092342] [2021-02-22 02:08:21,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:08:21,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-02-22 02:08:21,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015837116] [2021-02-22 02:08:21,834 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-02-22 02:08:21,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:08:21,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-02-22 02:08:21,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=736, Unknown=0, NotChecked=0, Total=930 [2021-02-22 02:08:21,835 INFO L87 Difference]: Start difference. First operand 2636 states and 3323 transitions. Second operand 29 states. [2021-02-22 02:08:22,049 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-02-22 02:08:22,291 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-02-22 02:08:22,544 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-02-22 02:08:22,797 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-02-22 02:08:22,976 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-02-22 02:08:23,193 WARN L202 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-02-22 02:08:23,352 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-02-22 02:08:23,891 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-02-22 02:08:24,084 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-02-22 02:08:24,472 WARN L202 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-02-22 02:08:25,024 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-02-22 02:08:27,343 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2021-02-22 02:08:31,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:08:31,464 INFO L93 Difference]: Finished difference Result 6117 states and 7851 transitions. [2021-02-22 02:08:31,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-02-22 02:08:31,464 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 210 [2021-02-22 02:08:31,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:08:31,485 INFO L225 Difference]: With dead ends: 6117 [2021-02-22 02:08:31,485 INFO L226 Difference]: Without dead ends: 3511 [2021-02-22 02:08:31,497 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 641 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=417, Invalid=1745, Unknown=0, NotChecked=0, Total=2162 [2021-02-22 02:08:31,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3511 states. [2021-02-22 02:08:32,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3511 to 3378. [2021-02-22 02:08:32,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3378 states. [2021-02-22 02:08:32,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3378 states to 3378 states and 4275 transitions. [2021-02-22 02:08:32,607 INFO L78 Accepts]: Start accepts. Automaton has 3378 states and 4275 transitions. Word has length 210 [2021-02-22 02:08:32,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:08:32,608 INFO L480 AbstractCegarLoop]: Abstraction has 3378 states and 4275 transitions. [2021-02-22 02:08:32,608 INFO L481 AbstractCegarLoop]: Interpolant automaton has 29 states. [2021-02-22 02:08:32,608 INFO L276 IsEmpty]: Start isEmpty. Operand 3378 states and 4275 transitions. [2021-02-22 02:08:32,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-02-22 02:08:32,622 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:08:32,623 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 02:08:32,623 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-02-22 02:08:32,623 INFO L428 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:08:32,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:08:32,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1334536712, now seen corresponding path program 1 times [2021-02-22 02:08:32,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:08:32,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [486966431] [2021-02-22 02:08:32,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:08:32,664 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:32,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:08:32,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:32,672 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:08:32,700 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:32,701 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:32,704 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-22 02:08:32,705 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:32,706 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:32,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:32,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:32,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:32,712 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-22 02:08:32,713 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:32,715 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:08:32,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:32,719 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:08:32,748 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:32,749 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:32,751 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-22 02:08:32,752 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:32,753 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:32,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:32,754 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:32,758 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:32,759 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-22 02:08:32,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:32,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:08:32,765 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:32,768 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:08:32,797 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:32,798 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:32,800 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-22 02:08:32,801 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:32,802 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:32,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:32,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:32,806 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:32,807 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-22 02:08:32,808 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:32,811 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:08:32,815 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:32,818 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:08:32,847 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:32,848 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:32,850 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-22 02:08:32,851 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:32,854 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:32,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:32,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:32,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:32,858 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-22 02:08:32,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:32,862 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-22 02:08:32,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:32,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-22 02:08:32,896 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:32,897 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:32,899 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-22 02:08:32,900 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:32,901 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:32,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:32,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:32,907 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:32,908 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-22 02:08:32,909 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:32,913 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-22 02:08:32,915 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:32,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-22 02:08:32,946 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:32,947 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:32,951 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-22 02:08:32,952 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:32,953 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:32,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:32,954 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:32,956 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:32,957 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-22 02:08:32,959 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:32,962 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-22 02:08:32,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:32,967 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-22 02:08:33,002 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:33,004 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:33,006 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-22 02:08:33,007 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:33,008 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:33,010 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,012 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:33,013 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-22 02:08:33,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-22 02:08:33,018 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,021 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-22 02:08:33,054 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:33,056 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:33,057 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-22 02:08:33,058 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:33,059 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:33,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,063 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:33,063 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-22 02:08:33,064 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-22 02:08:33,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:08:33,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,158 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:08:33,161 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:08:33,162 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:08:33,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,163 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:08:33,164 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:08:33,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:08:33,166 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,166 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:08:33,174 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:08:33,175 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,175 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:08:33,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,177 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:08:33,177 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,178 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:08:33,179 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,179 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-22 02:08:33,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,194 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:08:33,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:08:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:08:33,283 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,283 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:08:33,284 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,284 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 02:08:33,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:08:33,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-22 02:08:33,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-22 02:08:33,378 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,379 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-22 02:08:33,380 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:33,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-02-22 02:08:33,383 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-02-22 02:08:33,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:33,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,386 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-22 02:08:33,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:08:33,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:33,389 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-22 02:08:33,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:08:33,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:08:33,414 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:08:33,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-22 02:08:33,432 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,433 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 02:08:33,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 02:08:33,464 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,465 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-22 02:08:33,507 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,508 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-22 02:08:33,540 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,541 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-22 02:08:33,565 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,566 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 02:08:33,592 WARN L141 QuantifierPusher]: treesize reduction 4, result has 93.4 percent of original size [2021-02-22 02:08:33,593 WARN L147 QuantifierPusher]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-02-22 02:08:33,648 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-02-22 02:08:33,650 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size 80 [2021-02-22 02:08:33,733 WARN L141 QuantifierPusher]: treesize reduction 4, result has 96.2 percent of original size [2021-02-22 02:08:33,734 WARN L147 QuantifierPusher]: treesize reduction 4, result has 96.2 percent of original size 101 [2021-02-22 02:08:33,829 WARN L141 QuantifierPusher]: treesize reduction 26, result has 79.5 percent of original size [2021-02-22 02:08:33,830 WARN L147 QuantifierPusher]: treesize reduction 26, result has 79.5 percent of original size 101 [2021-02-22 02:08:33,833 WARN L141 QuantifierPusher]: treesize reduction 4, result has 96.8 percent of original size [2021-02-22 02:08:33,834 WARN L147 QuantifierPusher]: treesize reduction 4, result has 96.8 percent of original size 121 [2021-02-22 02:08:33,937 WARN L141 QuantifierPusher]: treesize reduction 98, result has 30.5 percent of original size [2021-02-22 02:08:33,938 WARN L147 QuantifierPusher]: treesize reduction 98, result has 30.5 percent of original size 43 [2021-02-22 02:08:34,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:34,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-22 02:08:34,100 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:34,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:34,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:34,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:08:34,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-22 02:08:34,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:34,182 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-22 02:08:34,242 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:34,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-22 02:08:34,245 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:34,246 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-02-22 02:08:34,292 WARN L141 QuantifierPusher]: treesize reduction 8, result has 76.5 percent of original size [2021-02-22 02:08:34,293 WARN L147 QuantifierPusher]: treesize reduction 8, result has 76.5 percent of original size 26 [2021-02-22 02:08:34,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:34,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-22 02:08:34,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:34,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 02:08:34,399 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:34,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 02:08:34,401 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:34,402 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-22 02:08:34,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:34,449 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-22 02:08:34,508 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:34,509 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-22 02:08:34,575 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:34,577 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:34,641 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:34,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-22 02:08:34,766 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:34,768 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-02-22 02:08:34,839 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:34,840 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-02-22 02:08:34,900 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:34,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-02-22 02:08:34,984 WARN L141 QuantifierPusher]: treesize reduction 38, result has 52.5 percent of original size [2021-02-22 02:08:34,985 WARN L147 QuantifierPusher]: treesize reduction 38, result has 52.5 percent of original size 42 [2021-02-22 02:08:34,986 WARN L141 QuantifierPusher]: treesize reduction 27, result has 60.9 percent of original size [2021-02-22 02:08:34,988 WARN L147 QuantifierPusher]: treesize reduction 27, result has 60.9 percent of original size 42 [2021-02-22 02:08:34,989 WARN L141 QuantifierPusher]: treesize reduction 25, result has 62.7 percent of original size [2021-02-22 02:08:34,990 WARN L147 QuantifierPusher]: treesize reduction 25, result has 62.7 percent of original size 42 [2021-02-22 02:08:34,990 WARN L141 QuantifierPusher]: treesize reduction 26, result has 61.8 percent of original size [2021-02-22 02:08:34,992 WARN L147 QuantifierPusher]: treesize reduction 26, result has 61.8 percent of original size 42 [2021-02-22 02:08:34,993 WARN L141 QuantifierPusher]: treesize reduction 24, result has 63.6 percent of original size [2021-02-22 02:08:34,994 WARN L147 QuantifierPusher]: treesize reduction 24, result has 63.6 percent of original size 42 [2021-02-22 02:08:34,996 WARN L141 QuantifierPusher]: treesize reduction 27, result has 60.9 percent of original size [2021-02-22 02:08:34,997 WARN L147 QuantifierPusher]: treesize reduction 27, result has 60.9 percent of original size 42 [2021-02-22 02:08:35,000 WARN L141 QuantifierPusher]: treesize reduction 46, result has 47.7 percent of original size [2021-02-22 02:08:35,003 WARN L147 QuantifierPusher]: treesize reduction 46, result has 47.7 percent of original size 42 [2021-02-22 02:08:35,004 WARN L141 QuantifierPusher]: treesize reduction 48, result has 46.7 percent of original size [2021-02-22 02:08:35,005 WARN L147 QuantifierPusher]: treesize reduction 48, result has 46.7 percent of original size 42 [2021-02-22 02:08:35,007 WARN L141 QuantifierPusher]: treesize reduction 38, result has 52.5 percent of original size [2021-02-22 02:08:35,007 WARN L147 QuantifierPusher]: treesize reduction 38, result has 52.5 percent of original size 42 [2021-02-22 02:08:35,009 WARN L141 QuantifierPusher]: treesize reduction 37, result has 53.2 percent of original size [2021-02-22 02:08:35,010 WARN L147 QuantifierPusher]: treesize reduction 37, result has 53.2 percent of original size 42 [2021-02-22 02:08:35,011 WARN L141 QuantifierPusher]: treesize reduction 27, result has 60.9 percent of original size [2021-02-22 02:08:35,012 WARN L147 QuantifierPusher]: treesize reduction 27, result has 60.9 percent of original size 42 [2021-02-22 02:08:35,013 WARN L141 QuantifierPusher]: treesize reduction 46, result has 47.7 percent of original size [2021-02-22 02:08:35,014 WARN L147 QuantifierPusher]: treesize reduction 46, result has 47.7 percent of original size 42 [2021-02-22 02:08:35,015 WARN L141 QuantifierPusher]: treesize reduction 24, result has 65.7 percent of original size [2021-02-22 02:08:35,016 WARN L147 QuantifierPusher]: treesize reduction 24, result has 65.7 percent of original size 46 [2021-02-22 02:08:35,117 WARN L141 QuantifierPusher]: treesize reduction 26, result has 60.0 percent of original size [2021-02-22 02:08:35,119 WARN L147 QuantifierPusher]: treesize reduction 26, result has 60.0 percent of original size 39 [2021-02-22 02:08:35,121 WARN L141 QuantifierPusher]: treesize reduction 24, result has 64.2 percent of original size [2021-02-22 02:08:35,121 WARN L147 QuantifierPusher]: treesize reduction 24, result has 64.2 percent of original size 43 [2021-02-22 02:08:35,247 WARN L141 QuantifierPusher]: treesize reduction 48, result has 42.9 percent of original size [2021-02-22 02:08:35,248 WARN L147 QuantifierPusher]: treesize reduction 48, result has 42.9 percent of original size 36 [2021-02-22 02:08:35,249 WARN L141 QuantifierPusher]: treesize reduction 37, result has 49.3 percent of original size [2021-02-22 02:08:35,251 WARN L147 QuantifierPusher]: treesize reduction 37, result has 49.3 percent of original size 36 [2021-02-22 02:08:35,252 WARN L141 QuantifierPusher]: treesize reduction 27, result has 57.1 percent of original size [2021-02-22 02:08:35,253 WARN L147 QuantifierPusher]: treesize reduction 27, result has 57.1 percent of original size 36 [2021-02-22 02:08:35,254 WARN L141 QuantifierPusher]: treesize reduction 46, result has 43.9 percent of original size [2021-02-22 02:08:35,255 WARN L147 QuantifierPusher]: treesize reduction 46, result has 43.9 percent of original size 36 [2021-02-22 02:08:35,256 WARN L141 QuantifierPusher]: treesize reduction 26, result has 58.1 percent of original size [2021-02-22 02:08:35,257 WARN L147 QuantifierPusher]: treesize reduction 26, result has 58.1 percent of original size 36 [2021-02-22 02:08:35,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:35,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:08:35,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:35,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:08:35,260 WARN L141 QuantifierPusher]: treesize reduction 39, result has 2.5 percent of original size [2021-02-22 02:08:35,260 WARN L147 QuantifierPusher]: treesize reduction 39, result has 2.5 percent of original size 1 [2021-02-22 02:08:35,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [486966431] [2021-02-22 02:08:35,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:08:35,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2021-02-22 02:08:35,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680045166] [2021-02-22 02:08:35,261 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-02-22 02:08:35,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:08:35,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-02-22 02:08:35,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=254, Invalid=868, Unknown=0, NotChecked=0, Total=1122 [2021-02-22 02:08:35,262 INFO L87 Difference]: Start difference. First operand 3378 states and 4275 transitions. Second operand 32 states. [2021-02-22 02:08:35,598 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-02-22 02:08:35,725 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-02-22 02:08:35,846 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-02-22 02:08:35,984 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-02-22 02:08:36,119 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-02-22 02:08:36,258 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-02-22 02:08:36,438 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-02-22 02:08:36,625 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-02-22 02:08:36,887 WARN L202 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-02-22 02:08:37,186 WARN L202 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2021-02-22 02:08:37,390 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-02-22 02:08:37,947 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-02-22 02:08:38,152 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-02-22 02:08:38,379 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-02-22 02:08:38,993 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-02-22 02:08:39,303 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-02-22 02:08:39,738 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-02-22 02:08:40,049 WARN L202 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-02-22 02:08:40,517 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-02-22 02:08:41,004 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-02-22 02:08:48,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:08:48,409 INFO L93 Difference]: Finished difference Result 8934 states and 11839 transitions. [2021-02-22 02:08:48,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-02-22 02:08:48,410 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 213 [2021-02-22 02:08:48,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:08:48,443 INFO L225 Difference]: With dead ends: 8934 [2021-02-22 02:08:48,444 INFO L226 Difference]: Without dead ends: 5586 [2021-02-22 02:08:48,457 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1057 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=695, Invalid=2497, Unknown=0, NotChecked=0, Total=3192 [2021-02-22 02:08:48,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5586 states. [2021-02-22 02:08:49,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5586 to 3925. [2021-02-22 02:08:49,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3925 states. [2021-02-22 02:08:49,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3925 states to 3925 states and 4907 transitions. [2021-02-22 02:08:49,557 INFO L78 Accepts]: Start accepts. Automaton has 3925 states and 4907 transitions. Word has length 213 [2021-02-22 02:08:49,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:08:49,557 INFO L480 AbstractCegarLoop]: Abstraction has 3925 states and 4907 transitions. [2021-02-22 02:08:49,557 INFO L481 AbstractCegarLoop]: Interpolant automaton has 32 states. [2021-02-22 02:08:49,557 INFO L276 IsEmpty]: Start isEmpty. Operand 3925 states and 4907 transitions. [2021-02-22 02:08:49,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-02-22 02:08:49,571 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:08:49,571 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 02:08:49,571 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-02-22 02:08:49,572 INFO L428 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:08:49,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:08:49,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1927545022, now seen corresponding path program 1 times [2021-02-22 02:08:49,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:08:49,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [826163908] [2021-02-22 02:08:49,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:08:49,612 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:49,613 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:49,614 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:49,614 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:49,616 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:49,617 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:49,619 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:08:49,619 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:08:49,621 WARN L141 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size [2021-02-22 02:08:49,624 WARN L147 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size 52 [2021-02-22 02:08:49,626 WARN L141 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size [2021-02-22 02:08:49,629 WARN L147 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size 52 [2021-02-22 02:08:49,657 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:49,658 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:49,660 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size [2021-02-22 02:08:49,661 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:49,662 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:49,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:49,663 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:49,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:49,666 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size 75 [2021-02-22 02:08:49,667 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:49,667 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:49,669 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:49,669 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:49,671 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:49,672 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:49,673 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:08:49,673 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:08:49,675 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:49,675 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:49,676 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:49,679 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:49,681 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:49,682 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:49,684 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:08:49,684 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:08:49,687 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:49,687 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:49,688 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:49,689 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:49,691 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:49,692 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:49,693 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:08:49,693 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:08:49,694 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:49,695 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:49,696 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:49,696 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:49,698 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:49,699 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:49,700 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:08:49,700 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:08:49,701 WARN L141 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size [2021-02-22 02:08:49,704 WARN L147 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size 52 [2021-02-22 02:08:49,706 WARN L141 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size [2021-02-22 02:08:49,708 WARN L147 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size 52 [2021-02-22 02:08:49,744 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:49,745 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:49,747 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size [2021-02-22 02:08:49,748 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:49,749 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:49,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:49,749 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:49,751 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:49,751 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size 75 [2021-02-22 02:08:49,753 WARN L141 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size [2021-02-22 02:08:49,757 WARN L147 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size 52 [2021-02-22 02:08:49,758 WARN L141 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size [2021-02-22 02:08:49,762 WARN L147 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size 52 [2021-02-22 02:08:49,799 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:49,801 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:49,802 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size [2021-02-22 02:08:49,803 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:49,804 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:49,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:49,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:49,807 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:49,808 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size 75 [2021-02-22 02:08:49,809 WARN L141 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size [2021-02-22 02:08:49,816 WARN L147 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size 52 [2021-02-22 02:08:49,819 WARN L141 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size [2021-02-22 02:08:49,821 WARN L147 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size 52 [2021-02-22 02:08:49,856 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:49,857 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:49,860 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size [2021-02-22 02:08:49,860 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:49,862 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:49,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:49,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:49,868 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:49,868 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size 75 [2021-02-22 02:08:49,869 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:49,870 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:49,871 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:49,871 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:49,873 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:49,874 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:49,876 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:08:49,876 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:08:49,877 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:49,877 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:49,879 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:49,879 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:49,881 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:49,882 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:49,883 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:08:49,883 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:08:49,884 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:49,884 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:49,886 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:49,887 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:49,888 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:49,889 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:49,890 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:08:49,891 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:08:49,892 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:49,892 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:49,893 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:49,893 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:49,895 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:49,896 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:49,897 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:08:49,898 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:08:49,901 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:49,901 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:49,902 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:49,903 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:49,904 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:49,905 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:49,907 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:08:49,907 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:08:49,908 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:49,908 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:49,909 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:49,910 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:49,912 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:49,914 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:49,915 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:08:49,915 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:08:49,916 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:49,916 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:49,917 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:49,917 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:49,919 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:49,921 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:49,923 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:08:49,923 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:08:49,925 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:49,925 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:49,927 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:49,927 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:49,930 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:49,933 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:49,935 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:08:49,935 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:08:49,936 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:49,936 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:49,937 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:49,938 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:49,940 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:49,942 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:49,943 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:08:49,944 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:08:49,945 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:49,945 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:49,946 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:49,947 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:49,949 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:49,949 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:49,951 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:08:49,951 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:08:49,952 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:49,952 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:49,953 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:49,954 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:49,956 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:49,956 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:49,958 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:08:49,958 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:08:49,959 WARN L141 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size [2021-02-22 02:08:49,962 WARN L147 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size 52 [2021-02-22 02:08:49,964 WARN L141 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size [2021-02-22 02:08:49,967 WARN L147 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size 52 [2021-02-22 02:08:50,003 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:50,005 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:50,007 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size [2021-02-22 02:08:50,007 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:50,009 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:50,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:50,011 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:50,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:50,014 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size 75 [2021-02-22 02:08:50,018 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:50,019 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:50,020 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:50,021 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:50,022 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:50,023 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:50,024 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:08:50,025 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:08:50,026 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:50,026 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:50,027 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:50,027 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:50,029 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:50,029 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:50,030 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:08:50,031 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:08:50,032 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:50,032 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:50,033 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:50,034 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:50,036 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:50,037 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:50,038 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:08:50,039 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:08:50,040 WARN L141 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size [2021-02-22 02:08:50,043 WARN L147 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size 52 [2021-02-22 02:08:50,045 WARN L141 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size [2021-02-22 02:08:50,048 WARN L147 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size 52 [2021-02-22 02:08:50,075 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:50,077 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:50,079 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size [2021-02-22 02:08:50,079 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:50,080 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:50,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:50,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:50,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:50,084 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size 75 [2021-02-22 02:08:50,085 WARN L141 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size [2021-02-22 02:08:50,088 WARN L147 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size 52 [2021-02-22 02:08:50,090 WARN L141 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size [2021-02-22 02:08:50,093 WARN L147 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size 52 [2021-02-22 02:08:50,122 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:50,124 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:50,127 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size [2021-02-22 02:08:50,127 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:50,129 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:50,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:50,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:50,132 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:50,133 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size 75 [2021-02-22 02:08:50,134 WARN L141 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size [2021-02-22 02:08:50,137 WARN L147 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size 52 [2021-02-22 02:08:50,139 WARN L141 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size [2021-02-22 02:08:50,147 WARN L147 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size 52 [2021-02-22 02:08:50,175 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:50,177 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:50,179 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size [2021-02-22 02:08:50,179 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:50,180 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:50,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:50,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:50,184 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:50,184 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size 75 [2021-02-22 02:08:50,186 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:50,186 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:50,187 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:50,188 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:50,190 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:50,191 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:50,193 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:08:50,193 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:08:50,194 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:50,194 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:50,195 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:50,196 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:50,198 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:50,201 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:50,203 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:08:50,203 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:08:50,205 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:50,206 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:50,207 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:50,207 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:50,209 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:50,210 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:50,212 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:08:50,212 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:08:50,213 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:50,213 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:50,214 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:50,215 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:50,217 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:50,217 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:50,219 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:08:50,219 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:08:50,220 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:50,221 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:50,222 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:50,222 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:50,224 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:50,225 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:50,226 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:08:50,226 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:08:50,227 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-22 02:08:50,229 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-22 02:08:50,231 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-22 02:08:50,234 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-22 02:08:50,270 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:50,271 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:50,274 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-22 02:08:50,275 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:50,276 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:50,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:50,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:50,283 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:50,284 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-22 02:08:50,285 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-22 02:08:50,288 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-22 02:08:50,289 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-22 02:08:50,292 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-22 02:08:50,319 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:50,321 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:50,323 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-22 02:08:50,323 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:50,324 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:50,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:50,325 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:50,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:50,328 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-22 02:08:50,328 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-22 02:08:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-22 02:08:50,370 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-22 02:08:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-22 02:08:50,412 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-22 02:08:50,543 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-22 02:08:50,543 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-22 02:08:50,544 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-02-22 02:08:50,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.02 02:08:50 BoogieIcfgContainer [2021-02-22 02:08:50,580 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-22 02:08:50,581 INFO L168 Benchmark]: Toolchain (without parser) took 121581.13 ms. Allocated memory was 151.0 MB in the beginning and 950.0 MB in the end (delta: 799.0 MB). Free memory was 125.8 MB in the beginning and 380.4 MB in the end (delta: -254.6 MB). Peak memory consumption was 545.1 MB. Max. memory is 8.0 GB. [2021-02-22 02:08:50,581 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory is still 125.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 02:08:50,582 INFO L168 Benchmark]: CACSL2BoogieTranslator took 872.29 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 129.2 MB in the end (delta: -4.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 8.0 GB. [2021-02-22 02:08:50,582 INFO L168 Benchmark]: Boogie Preprocessor took 103.42 ms. Allocated memory is still 151.0 MB. Free memory was 129.2 MB in the beginning and 124.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-22 02:08:50,582 INFO L168 Benchmark]: RCFGBuilder took 1776.18 ms. Allocated memory was 151.0 MB in the beginning and 182.5 MB in the end (delta: 31.5 MB). Free memory was 124.6 MB in the beginning and 159.5 MB in the end (delta: -34.9 MB). Peak memory consumption was 64.7 MB. Max. memory is 8.0 GB. [2021-02-22 02:08:50,582 INFO L168 Benchmark]: TraceAbstraction took 118805.49 ms. Allocated memory was 182.5 MB in the beginning and 950.0 MB in the end (delta: 767.6 MB). Free memory was 159.0 MB in the beginning and 380.4 MB in the end (delta: -221.4 MB). Peak memory consumption was 546.1 MB. Max. memory is 8.0 GB. [2021-02-22 02:08:50,583 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory is still 125.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 872.29 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 129.2 MB in the end (delta: -4.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 103.42 ms. Allocated memory is still 151.0 MB. Free memory was 129.2 MB in the beginning and 124.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1776.18 ms. Allocated memory was 151.0 MB in the beginning and 182.5 MB in the end (delta: 31.5 MB). Free memory was 124.6 MB in the beginning and 159.5 MB in the end (delta: -34.9 MB). Peak memory consumption was 64.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 118805.49 ms. Allocated memory was 182.5 MB in the beginning and 950.0 MB in the end (delta: 767.6 MB). Free memory was 159.0 MB in the beginning and 380.4 MB in the end (delta: -221.4 MB). Peak memory consumption was 546.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 539]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int a= 1; [L18] int e= 5; [L19] int d= 4; [L20] int f= 6; [L21] int c= 3; [L24] int u = 21; [L25] int v = 22; [L26] int w = 23; [L27] int x = 24; [L28] int y = 25; [L29] int z = 26; [L32] int a25 = 0; [L33] int a11 = 0; [L34] int a28 = 7; [L35] int a19 = 1; [L36] int a21 = 1; [L37] int a17 = 8; [L613] int output = -1; [L616] COND TRUE 1 [L619] int input; [L620] input = __VERIFIER_nondet_int() [L621] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L624] CALL, EXPR calculate_output(input) [L40] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L45] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) [L48] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) [L52] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) [L57] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) [L60] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) [L64] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) [L69] COND TRUE ((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9))) [L70] a28 = 11 [L71] a17 = 7 [L72] a11 = 0 [L73] a25 = 1 [L74] return 22; [L624] RET, EXPR calculate_output(input) [L624] output = calculate_output(input) [L616] COND TRUE 1 [L619] int input; [L620] input = __VERIFIER_nondet_int() [L621] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L624] CALL, EXPR calculate_output(input) [L40] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L45] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) [L48] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) [L52] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) [L57] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) [L60] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) [L64] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) [L69] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) [L75] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) [L79] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) [L84] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) [L92] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) [L101] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) [L105] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) [L109] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) [L116] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) [L123] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) [L129] COND FALSE !((((((a21==1)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) [L133] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) [L140] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) [L144] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) [L149] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) [L153] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) [L158] COND FALSE !(((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1))) [L164] COND FALSE !(((a21==1)&&(!(a19==1)&&((((input==5)&&(((a28==8)&&(a25==1))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7)))))&&!(a11==1))&&(a17==8))))) [L169] COND FALSE !((((a17==9)&&(((a28==8)&&(((input==1)&&(a19==1))&&!(a25==1)))&&(a11==1)))&&(a21==1))) [L175] COND FALSE !((((a21==1)&&((a19==1)&&((a28==7)&&((a17==8)&&(!(a25==1)&&(input==3))))))&&!(a11==1))) [L179] COND FALSE !(((a28==11)&&(((a17==8)&&((((input==6)&&(a21==1))&&(a19==1))&&!(a25==1)))&&!(a11==1)))) [L185] COND TRUE ((!(a11==1)&&(((a17==8)&&((a21==1)&&((input==3)&&(a28==8))))&&(a19==1)))&&(a25==1)) [L186] a28 = 10 [L187] a19 = 0 [L188] return 26; [L624] RET, EXPR calculate_output(input) [L624] output = calculate_output(input) [L616] COND TRUE 1 [L619] int input; [L620] input = __VERIFIER_nondet_int() [L621] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L624] CALL calculate_output(input) [L40] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L45] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) [L48] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) [L52] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) [L57] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) [L60] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) [L64] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) [L69] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) [L75] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) [L79] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) [L84] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) [L92] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) [L101] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) [L105] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) [L109] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) [L116] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) [L123] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) [L129] COND FALSE !((((((a21==1)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) [L133] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) [L140] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) [L144] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) [L149] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) [L153] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) [L158] COND FALSE !(((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1))) [L164] COND FALSE !(((a21==1)&&(!(a19==1)&&((((input==5)&&(((a28==8)&&(a25==1))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7)))))&&!(a11==1))&&(a17==8))))) [L169] COND FALSE !((((a17==9)&&(((a28==8)&&(((input==1)&&(a19==1))&&!(a25==1)))&&(a11==1)))&&(a21==1))) [L175] COND FALSE !((((a21==1)&&((a19==1)&&((a28==7)&&((a17==8)&&(!(a25==1)&&(input==3))))))&&!(a11==1))) [L179] COND FALSE !(((a28==11)&&(((a17==8)&&((((input==6)&&(a21==1))&&(a19==1))&&!(a25==1)))&&!(a11==1)))) [L185] COND FALSE !(((!(a11==1)&&(((a17==8)&&((a21==1)&&((input==3)&&(a28==8))))&&(a19==1)))&&(a25==1))) [L189] COND FALSE !((((a21==1)&&(((a19==1)&&(((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))&&(input==4)))&&(a11==1)))&&(a17==9))) [L195] COND FALSE !((((!(a11==1)&&((a17==8)&&(((input==4)&&(a19==1))&&(a28==8))))&&(a21==1))&&(a25==1))) [L197] COND FALSE !(((a19==1)&&((((((input==4)&&(a21==1))&&(a28==9))&&!(a25==1))&&!(a11==1))&&(a17==8)))) [L199] COND FALSE !(((a17==8)&&((((((input==1)&&(a21==1))&&!(a11==1))&&(a19==1))&&!(a25==1))&&(a28==9)))) [L201] COND FALSE !((((((((input==4)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a21==1))&&(a17==8))&&(a28==10))&&(a19==1))) [L204] COND FALSE !(((!(a25==1)&&((a11==1)&&((a28==8)&&(((a17==9)&&(input==4))&&(a19==1)))))&&(a21==1))) [L208] COND FALSE !((!(a19==1)&&((a17==8)&&((a28==10)&&(((a25==1)&&(!(a11==1)&&(input==5)))&&(a21==1)))))) [L212] COND FALSE !((((((a21==1)&&((input==1)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))))&&(a17==8))&&!(a11==1))&&(a19==1))) [L222] COND FALSE !(((a21==1)&&((((a19==1)&&((a25==1)&&((a28==11)&&(input==6))))&&!(a11==1))&&(a17==8)))) [L225] COND FALSE !((!(a11==1)&&((a19==1)&&((a28==10)&&(((((a25==1)||!(a25==1))&&(input==5))&&(a17==8))&&(a21==1)))))) [L228] COND FALSE !((((((a17==9)&&((((a25==1)||!(a25==1))&&(input==6))&&(a11==1)))&&(a19==1))&&(a21==1))&&(a28==9))) [L233] COND FALSE !((((a17==8)&&(((((input==6)&&(a25==1))&&!(a19==1))&&!(a11==1))&&(a28==10)))&&(a21==1))) [L235] COND FALSE !(((!(a19==1)&&((a17==8)&&(!(a11==1)&&((input==1)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))))&&(a21==1))) [L242] COND FALSE !((((((((input==1)&&(a21==1))&&(a28==9))&&!(a19==1))&&!(a25==1))&&(a17==8))&&!(a11==1))) [L244] COND FALSE !(((a17==8)&&(((!(a11==1)&&((!(a25==1)&&(input==4))&&(a19==1)))&&(a28==7))&&(a21==1)))) [L247] COND FALSE !((!(a11==1)&&(((a17==8)&&((((!(a25==1)&&(a28==11))||((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1))))&&(input==3))&&(a21==1)))&&!(a19==1)))) [L258] COND FALSE !(((((!(a11==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==5)))&&(a21==1))&&!(a19==1))&&(a17==8))) [L263] COND FALSE !((((a17==9)&&(((((input==1)&&((a25==1)||!(a25==1)))&&(a11==1))&&(a21==1))&&(a19==1)))&&(a28==9))) [L269] COND FALSE !((!(a11==1)&&((a19==1)&&(((((a28==9)&&(input==6))&&(a21==1))&&(a17==8))&&!(a25==1))))) [L271] COND FALSE !(((a17==9)&&((a21==1)&&((a11==1)&&(((input==3)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a19==1)))))) [L286] COND FALSE !(((a28==7)&&((a17==8)&&(!(a25==1)&&((a21==1)&&((a19==1)&&((input==5)&&!(a11==1)))))))) [L290] COND FALSE !(((a28==8)&&((a21==1)&&((!(a11==1)&&(((input==1)&&(a17==8))&&(a19==1)))&&(a25==1))))) [L293] COND FALSE !((((((a17==8)&&(((input==6)&&((a25==1)||!(a25==1)))&&(a21==1)))&&(a28==10))&&!(a11==1))&&(a19==1))) [L296] COND FALSE !(((!(a11==1)&&((!(a19==1)&&(((!(a25==1)&&(a28==11))||(((a28==10)&&!(a25==1))||((a25==1)&&(a28==11))))&&(input==5)))&&(a17==8)))&&(a21==1))) [L301] COND FALSE !(((a17==8)&&(((a21==1)&&(!(a11==1)&&((a25==1)&&((a28==8)&&(input==6)))))&&(a19==1)))) [L303] COND FALSE !((((a19==1)&&((a17==8)&&(((!(a25==1)&&(input==5))&&(a21==1))&&!(a11==1))))&&(a28==11))) [L307] COND FALSE !(((a11==1)&&(((a17==9)&&((a28==9)&&((a19==1)&&(((a25==1)||!(a25==1))&&(input==5)))))&&(a21==1)))) [L319] COND FALSE !((((((((input==3)&&(a19==1))&&(a21==1))&&(a17==8))&&!(a25==1))&&(a28==11))&&!(a11==1))) [L324] COND FALSE !(((a19==1)&&((a21==1)&&((((input==5)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a11==1))&&(a17==9))))) [L338] COND FALSE !((((a19==1)&&(((!(a11==1)&&(((a25==1)||!(a25==1))&&(input==3)))&&(a28==10))&&(a21==1)))&&(a17==8))) [L341] COND FALSE !(((!(a11==1)&&(((((input==4)&&(a17==8))&&!(a25==1))&&(a21==1))&&(a28==11)))&&(a19==1))) [L347] COND FALSE !((((!(a19==1)&&(((input==4)&&(((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1)))||(!(a25==1)&&(a28==11))))&&(a21==1)))&&(a17==8))&&!(a11==1))) [L359] COND FALSE !((!(a11==1)&&(((a17==8)&&((((a25==1)&&(input==4))&&(a19==1))&&(a28==11)))&&(a21==1)))) [L364] COND FALSE !((((((a21==1)&&((((a28==8)&&!(a25==1))||((a28==9)&&(a25==1)))&&(input==6)))&&!(a11==1))&&!(a19==1))&&(a17==8))) [L371] COND FALSE !(((a19==1)&&((((a21==1)&&((!(a25==1)&&(input==3))&&(a17==9)))&&(a28==8))&&(a11==1)))) [L378] COND FALSE !(((a17==8)&&(((a21==1)&&(((input==5)&&((!(a25==1)&&(a28==8))||((a28==9)&&(a25==1))))&&(a19==1)))&&!(a11==1)))) [L385] COND FALSE !(((a19==1)&&(((((a17==8)&&((input==5)&&!(a11==1)))&&(a21==1))&&(a25==1))&&(a28==8)))) [L388] COND FALSE !((((!(a11==1)&&((((a21==1)&&(input==4))&&(a28==10))&&(a17==8)))&&!(a19==1))&&(a25==1))) [L390] COND FALSE !(((a28==8)&&(((a19==1)&&((a11==1)&&(!(a25==1)&&((a17==9)&&(input==6)))))&&(a21==1)))) [L399] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==6)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))&&(a17==8))&&!(a19==1)))) [L404] COND FALSE !((((((!(a25==1)&&((a19==1)&&(input==3)))&&(a28==9))&&(a21==1))&&(a17==8))&&!(a11==1))) [L408] COND FALSE !((((a17==8)&&((((input==4)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9))))&&(a21==1))&&!(a19==1)))&&!(a11==1))) [L412] COND FALSE !((((!(a11==1)&&((((a19==1)&&(input==5))&&(a17==8))&&(a21==1)))&&(a28==9))&&!(a25==1))) [L414] COND FALSE !((((a11==1)&&((a19==1)&&((a21==1)&&(((a17==9)&&(input==5))&&!(a25==1)))))&&(a28==8))) [L417] COND FALSE !((!(a11==1)&&((a21==1)&&(((a19==1)&&((a17==8)&&((a25==1)&&(input==5))))&&(a28==11))))) [L419] COND FALSE !(((a19==1)&&((a17==8)&&(((((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))&&!(a11==1))&&(a21==1))))) [L424] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==7))&&!(a19==1))&&(a21==1))&&(a17==8))) [L427] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==10))&&(a19==1))&&(a21==1))&&(a17==8))) [L430] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==8))) [L433] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==7))) [L436] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==9))&&(a19==1))&&(a21==1))&&(a17==8))) [L439] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==9))&&!(a19==1))&&(a21==1))&&(a17==7))) [L442] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==10))&&!(a19==1))&&(a21==1))&&(a17==7))) [L445] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==9))&&(a19==1))&&(a21==1))&&(a17==8))) [L448] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==8))) [L451] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==8))&&(a19==1))&&(a21==1))&&(a17==8))) [L454] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==11))&&!(a19==1))&&(a21==1))&&(a17==8))) [L457] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==7))) [L460] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==8))&&(a19==1))&&(a21==1))&&(a17==7))) [L463] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==10))&&!(a19==1))&&(a21==1))&&(a17==7))) [L466] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==11))&&(a19==1))&&(a21==1))&&(a17==7))) [L469] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==8))&&(a19==1))&&(a21==1))&&(a17==7))) [L472] COND FALSE !((((((!(a25==1)&&!(a11==1))&&(a28==8))&&(a19==1))&&(a21==1))&&(a17==7))) [L475] COND FALSE !((((((!(a25==1)&&!(a11==1))&&(a28==9))&&!(a19==1))&&(a21==1))&&(a17==7))) [L478] COND FALSE !((((((!(a25==1)&&!(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==7))) [L481] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==8))&&(a19==1))&&(a21==1))&&(a17==8))) [L484] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==9))&&!(a19==1))&&(a21==1))&&(a17==8))) [L487] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==7))&&!(a19==1))&&(a21==1))&&(a17==7))) [L490] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==11))&&!(a19==1))&&(a21==1))&&(a17==8))) [L493] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==8))&&!(a19==1))&&(a21==1))&&(a17==8))) [L496] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==10))&&!(a19==1))&&(a21==1))&&(a17==8))) [L499] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==9))&&(a19==1))&&(a21==1))&&(a17==7))) [L502] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==11))&&(a19==1))&&(a21==1))&&(a17==8))) [L505] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==8))&&!(a19==1))&&(a21==1))&&(a17==7))) [L508] COND FALSE !((((((!(a25==1)&&!(a11==1))&&(a28==8))&&!(a19==1))&&(a21==1))&&(a17==7))) [L511] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==8))&&!(a19==1))&&(a21==1))&&(a17==8))) [L514] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==8))) [L517] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==10))&&(a19==1))&&(a21==1))&&(a17==8))) [L520] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==8))&&(a19==1))&&(a21==1))&&(a17==7))) [L523] COND FALSE !((((((!(a25==1)&&!(a11==1))&&(a28==9))&&(a19==1))&&(a21==1))&&(a17==7))) [L526] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==7))) [L529] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==8))&&!(a19==1))&&(a21==1))&&(a17==7))) [L532] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==9))&&!(a19==1))&&(a21==1))&&(a17==7))) [L535] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==8))&&!(a19==1))&&(a21==1))&&(a17==7))) [L538] COND TRUE ((((((a25==1)&&(a11==1))&&(a28==11))&&!(a19==1))&&(a21==1))&&(a17==7)) [L539] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 539 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 118.7s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 90.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2428 SDtfs, 23942 SDslu, 5207 SDs, 0 SdLazy, 31455 SolverSat, 2887 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 34.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 557 GetRequests, 179 SyntacticMatches, 25 SemanticMatches, 353 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7031 ImplicationChecksByTransitivity, 53.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3925occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.7s AutomataMinimizationTime, 7 MinimizatonAttempts, 3828 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...