/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/Problem01_label49.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 02:03:40,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 02:03:40,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 02:03:40,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-22 02:03:40,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 02:03:40,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 02:03:40,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 02:03:40,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 02:03:40,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 02:03:40,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 02:03:40,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 02:03:40,361 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 02:03:40,365 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 02:03:40,367 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 02:03:40,368 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 02:03:40,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 02:03:40,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-22 02:03:40,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 02:03:40,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 02:03:40,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 02:03:40,397 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 02:03:40,422 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 02:03:40,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 02:03:40,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 02:03:40,427 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 02:03:40,427 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 02:03:40,428 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 02:03:40,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 02:03:40,428 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 02:03:40,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 02:03:40,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 02:03:40,430 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 02:03:40,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 02:03:40,430 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 02:03:40,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 02:03:40,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 02:03:40,431 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 02:03:40,431 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 02:03:40,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 02:03:40,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 02:03:40,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 02:03:40,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 02:03:40,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 02:03:40,433 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 02:03:40,433 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 02:03:40,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 02:03:40,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 02:03:40,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 02:03:40,842 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 02:03:40,843 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 02:03:40,844 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label49.c [2021-02-22 02:03:40,930 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73eb5d4fa/dcb019cae3c04b688fd8538687eb90bf/FLAGa80283077 [2021-02-22 02:03:41,577 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 02:03:41,578 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label49.c [2021-02-22 02:03:41,594 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73eb5d4fa/dcb019cae3c04b688fd8538687eb90bf/FLAGa80283077 [2021-02-22 02:03:41,826 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73eb5d4fa/dcb019cae3c04b688fd8538687eb90bf [2021-02-22 02:03:41,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 02:03:41,845 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 02:03:41,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 02:03:41,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 02:03:41,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 02:03:41,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:03:41" (1/1) ... [2021-02-22 02:03:41,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea41701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:03:41, skipping insertion in model container [2021-02-22 02:03:41,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:03:41" (1/1) ... [2021-02-22 02:03:41,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 02:03:41,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 02:03:42,365 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/Problem01_label49.c[18854,18867] [2021-02-22 02:03:42,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:03:42,425 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 02:03:42,500 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/Problem01_label49.c[18854,18867] [2021-02-22 02:03:42,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:03:42,585 INFO L208 MainTranslator]: Completed translation [2021-02-22 02:03:42,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:03:42 WrapperNode [2021-02-22 02:03:42,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 02:03:42,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 02:03:42,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 02:03:42,590 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 02:03:42,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:03:42" (1/1) ... [2021-02-22 02:03:42,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:03:42" (1/1) ... [2021-02-22 02:03:42,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:03:42" (1/1) ... [2021-02-22 02:03:42,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:03:42" (1/1) ... [2021-02-22 02:03:42,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:03:42" (1/1) ... [2021-02-22 02:03:42,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:03:42" (1/1) ... [2021-02-22 02:03:42,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:03:42" (1/1) ... [2021-02-22 02:03:42,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 02:03:42,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 02:03:42,704 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 02:03:42,704 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 02:03:42,705 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:03:42" (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 02:03:42,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 02:03:42,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 02:03:42,819 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 02:03:42,819 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2021-02-22 02:03:42,819 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 02:03:42,820 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2021-02-22 02:03:42,820 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 02:03:42,820 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 02:03:42,820 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 02:03:42,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 02:03:42,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 02:03:42,821 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-22 02:03:42,821 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 02:03:42,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 02:03:42,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 02:03:42,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 02:03:42,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 02:03:42,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 02:03:42,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 02:03:44,110 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 02:03:44,111 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-22 02:03:44,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:03:44 BoogieIcfgContainer [2021-02-22 02:03:44,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 02:03:44,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 02:03:44,118 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 02:03:44,125 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 02:03:44,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 02:03:41" (1/3) ... [2021-02-22 02:03:44,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f5e63d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:03:44, skipping insertion in model container [2021-02-22 02:03:44,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:03:42" (2/3) ... [2021-02-22 02:03:44,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f5e63d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:03:44, skipping insertion in model container [2021-02-22 02:03:44,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:03:44" (3/3) ... [2021-02-22 02:03:44,129 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label49.c [2021-02-22 02:03:44,140 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 02:03:44,145 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 02:03:44,185 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 02:03:44,217 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 02:03:44,217 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 02:03:44,217 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 02:03:44,217 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 02:03:44,217 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 02:03:44,217 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 02:03:44,217 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 02:03:44,218 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 02:03:44,244 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states. [2021-02-22 02:03:44,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-02-22 02:03:44,269 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:03:44,270 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] [2021-02-22 02:03:44,271 INFO L428 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:03:44,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:03:44,277 INFO L82 PathProgramCache]: Analyzing trace with hash -850360261, now seen corresponding path program 1 times [2021-02-22 02:03:44,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:03:44,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2049545362] [2021-02-22 02:03:44,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:03:44,365 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:03:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:03:44,824 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-22 02:03:44,826 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-22 02:03:44,839 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:44,841 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:03:44,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:44,842 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:03:44,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:44,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:03:44,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:03:44,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:03:45,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:45,039 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:03:45,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:45,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:03:45,113 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 02:03:45,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2049545362] [2021-02-22 02:03:45,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:03:45,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-22 02:03:45,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388970238] [2021-02-22 02:03:45,124 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-22 02:03:45,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:03:45,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-22 02:03:45,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-22 02:03:45,143 INFO L87 Difference]: Start difference. First operand 534 states. Second operand 5 states. [2021-02-22 02:03:48,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:03:48,538 INFO L93 Difference]: Finished difference Result 1369 states and 1904 transitions. [2021-02-22 02:03:48,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-22 02:03:48,540 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2021-02-22 02:03:48,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:03:48,563 INFO L225 Difference]: With dead ends: 1369 [2021-02-22 02:03:48,563 INFO L226 Difference]: Without dead ends: 789 [2021-02-22 02:03:48,574 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-22 02:03:48,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2021-02-22 02:03:48,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 754. [2021-02-22 02:03:48,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 754 states. [2021-02-22 02:03:48,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 940 transitions. [2021-02-22 02:03:48,825 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 940 transitions. Word has length 143 [2021-02-22 02:03:48,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:03:48,827 INFO L480 AbstractCegarLoop]: Abstraction has 754 states and 940 transitions. [2021-02-22 02:03:48,827 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-22 02:03:48,827 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 940 transitions. [2021-02-22 02:03:48,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-02-22 02:03:48,838 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:03:48,838 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-02-22 02:03:48,839 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 02:03:48,839 INFO L428 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:03:48,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:03:48,840 INFO L82 PathProgramCache]: Analyzing trace with hash -568971768, now seen corresponding path program 1 times [2021-02-22 02:03:48,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:03:48,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1364882980] [2021-02-22 02:03:48,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:03:48,905 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-22 02:03:48,931 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-22 02:03:48,940 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-22 02:03:48,947 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-22 02:03:48,986 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:03:49,001 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:03:49,020 WARN L141 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size [2021-02-22 02:03:49,026 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:03:49,032 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:49,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:03:49,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:49,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:03:49,045 WARN L147 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size 83 [2021-02-22 02:03:49,051 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-22 02:03:49,058 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-22 02:03:49,063 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-22 02:03:49,073 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-22 02:03:49,114 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:03:49,122 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:03:49,131 WARN L141 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size [2021-02-22 02:03:49,136 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:03:49,138 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:49,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:03:49,141 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:49,145 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:03:49,147 WARN L147 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size 83 [2021-02-22 02:03:49,150 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-22 02:03:49,157 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-22 02:03:49,161 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-22 02:03:49,167 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-22 02:03:49,204 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:03:49,207 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:03:49,215 WARN L141 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size [2021-02-22 02:03:49,218 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:03:49,220 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:49,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:03:49,223 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:49,233 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:03:49,235 WARN L147 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size 83 [2021-02-22 02:03:49,240 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-22 02:03:49,249 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-22 02:03:49,260 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-22 02:03:49,266 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-22 02:03:49,309 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:03:49,312 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:03:49,317 WARN L141 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size [2021-02-22 02:03:49,319 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:03:49,321 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:49,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:03:49,323 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:49,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:03:49,328 WARN L147 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size 83 [2021-02-22 02:03:49,334 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-22 02:03:49,343 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-22 02:03:49,345 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-22 02:03:49,352 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-22 02:03:49,388 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:03:49,391 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:03:49,395 WARN L141 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size [2021-02-22 02:03:49,397 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:03:49,399 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:49,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:03:49,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:49,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:03:49,406 WARN L147 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size 83 [2021-02-22 02:03:49,408 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-22 02:03:49,414 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-22 02:03:49,417 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-22 02:03:49,427 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-22 02:03:49,460 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:03:49,462 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:03:49,465 WARN L141 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size [2021-02-22 02:03:49,468 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:03:49,470 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:49,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:03:49,471 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:49,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:03:49,477 WARN L147 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size 83 [2021-02-22 02:03:49,479 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-22 02:03:49,485 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-22 02:03:49,488 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-22 02:03:49,496 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-22 02:03:49,530 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:03:49,532 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:03:49,538 WARN L141 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size [2021-02-22 02:03:49,541 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:03:49,544 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:49,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:03:49,546 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:49,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:03:49,549 WARN L147 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size 83 [2021-02-22 02:03:49,552 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-22 02:03:49,557 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-22 02:03:49,560 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-22 02:03:49,565 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-22 02:03:49,607 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:03:49,610 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:03:49,613 WARN L141 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size [2021-02-22 02:03:49,615 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:03:49,617 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:49,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:03:49,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:49,622 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:03:49,628 WARN L147 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size 83 [2021-02-22 02:03:49,630 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-22 02:03:49,637 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-22 02:03:49,641 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-22 02:03:49,646 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-22 02:03:49,678 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:03:49,680 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:03:49,685 WARN L141 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size [2021-02-22 02:03:49,687 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:03:49,689 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:49,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:03:49,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:49,697 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:03:49,698 WARN L147 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size 83 [2021-02-22 02:03:49,704 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-22 02:03:49,733 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-22 02:03:49,738 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-22 02:03:49,743 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-22 02:03:49,776 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:03:49,778 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:03:49,784 WARN L141 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size [2021-02-22 02:03:49,787 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:03:49,794 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:49,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:03:49,795 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:49,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:03:49,799 WARN L147 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size 83 [2021-02-22 02:03:49,801 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-22 02:03:49,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:03:50,167 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-22 02:03:50,168 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-22 02:03:50,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:03:50,175 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,178 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-22 02:03:50,185 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,185 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-22 02:03:50,186 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,187 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-22 02:03:50,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-22 02:03:50,188 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,189 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-22 02:03:50,190 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,190 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-22 02:03:50,191 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,192 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-22 02:03:50,192 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,193 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-22 02:03:50,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,194 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-22 02:03:50,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-22 02:03:50,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,196 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-22 02:03:50,199 WARN L141 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size [2021-02-22 02:03:50,200 WARN L147 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size 24 [2021-02-22 02:03:50,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,216 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:03:50,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:03:50,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:03:50,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,313 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:03:50,313 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:03:50,431 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 02:03:50,434 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:03:50,437 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,438 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-22 02:03:50,439 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:03:50,441 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:03:50,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,444 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-22 02:03:50,445 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-02-22 02:03:50,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:03:50,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,449 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-22 02:03:50,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-02-22 02:03:50,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:03:50,452 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,453 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-22 02:03:50,455 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-02-22 02:03:50,456 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:03:50,457 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,458 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-22 02:03:50,459 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-02-22 02:03:50,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:03:50,462 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,463 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-22 02:03:50,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-02-22 02:03:50,465 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:03:50,467 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,468 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-22 02:03:50,469 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-02-22 02:03:50,547 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:03:50,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-22 02:03:50,552 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:03:50,554 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:03:50,556 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,557 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-22 02:03:50,558 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:03:50,560 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:03:50,562 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-22 02:03:50,565 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-02-22 02:03:50,591 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:03:50,594 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,595 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-22 02:03:50,596 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-02-22 02:03:50,627 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:03:50,633 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:50,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-22 02:03:50,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-02-22 02:03:52,465 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:52,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:03:52,468 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:52,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-22 02:03:52,472 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-02-22 02:03:53,618 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:53,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:03:53,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:53,625 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-22 02:03:53,627 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-02-22 02:03:53,693 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:53,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:03:53,702 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:53,703 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-22 02:03:53,705 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-02-22 02:03:54,663 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:54,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:03:54,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:54,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-22 02:03:54,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-02-22 02:03:55,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:55,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:03:55,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:55,677 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-22 02:03:55,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-02-22 02:03:56,775 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:56,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:03:56,777 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:56,778 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-22 02:03:56,780 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-02-22 02:03:57,844 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:57,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:03:57,846 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:57,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-22 02:03:57,849 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-02-22 02:03:58,984 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-02-22 02:03:58,988 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:58,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:03:58,990 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:03:58,991 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-22 02:03:58,994 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 234 [2021-02-22 02:04:00,280 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-02-22 02:04:00,286 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:00,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:00,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:00,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-22 02:04:00,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 290 [2021-02-22 02:04:01,654 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-02-22 02:04:01,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:01,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:01,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:01,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-22 02:04:01,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 293 [2021-02-22 02:04:02,858 WARN L202 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-02-22 02:04:02,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:02,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:02,867 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:02,868 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-22 02:04:02,872 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 323 [2021-02-22 02:04:04,083 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-02-22 02:04:04,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:04,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:04,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:04,092 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-22 02:04:04,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 379 [2021-02-22 02:04:05,361 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-02-22 02:04:05,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:05,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:05,379 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:05,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-22 02:04:05,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 409 [2021-02-22 02:04:06,687 WARN L202 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-02-22 02:04:06,693 WARN L141 QuantifierPusher]: treesize reduction 330, result has 27.9 percent of original size [2021-02-22 02:04:06,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:06,695 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:06,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-22 02:04:06,716 WARN L147 QuantifierPusher]: treesize reduction 330, result has 27.9 percent of original size 128 [2021-02-22 02:04:06,873 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:06,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:06,875 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:06,875 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:04:06,877 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-02-22 02:04:07,033 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:07,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:07,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:07,037 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:04:07,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-02-22 02:04:07,185 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:07,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-02-22 02:04:07,262 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:07,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-02-22 02:04:07,348 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:07,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:07,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:07,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:04:07,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-02-22 02:04:07,439 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:07,441 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-22 02:04:07,517 WARN L141 QuantifierPusher]: treesize reduction -2, result has 106.5 percent of original size [2021-02-22 02:04:07,518 WARN L147 QuantifierPusher]: treesize reduction -2, result has 106.5 percent of original size 33 [2021-02-22 02:04:07,594 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:07,595 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-22 02:04:07,598 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:07,599 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-02-22 02:04:07,675 WARN L141 QuantifierPusher]: treesize reduction 8, result has 78.9 percent of original size [2021-02-22 02:04:07,676 WARN L147 QuantifierPusher]: treesize reduction 8, result has 78.9 percent of original size 30 [2021-02-22 02:04:07,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:07,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-22 02:04:10,197 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:10,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-22 02:04:12,740 WARN L141 QuantifierPusher]: treesize reduction 46, result has 2.1 percent of original size [2021-02-22 02:04:12,742 WARN L147 QuantifierPusher]: treesize reduction 46, result has 2.1 percent of original size 1 [2021-02-22 02:04:12,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1364882980] [2021-02-22 02:04:12,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:04:12,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2021-02-22 02:04:12,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874647032] [2021-02-22 02:04:12,744 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-02-22 02:04:12,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:04:12,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-02-22 02:04:12,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=937, Unknown=20, NotChecked=0, Total=1190 [2021-02-22 02:04:12,746 INFO L87 Difference]: Start difference. First operand 754 states and 940 transitions. Second operand 34 states. [2021-02-22 02:04:13,281 WARN L202 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 97 [2021-02-22 02:04:13,573 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 99 [2021-02-22 02:04:13,817 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 97 [2021-02-22 02:04:14,080 WARN L202 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 104 [2021-02-22 02:04:14,355 WARN L202 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 104 [2021-02-22 02:04:14,645 WARN L202 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 106 [2021-02-22 02:04:15,039 WARN L202 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 126 [2021-02-22 02:04:15,617 WARN L202 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 129 [2021-02-22 02:04:15,795 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 46 [2021-02-22 02:04:16,318 WARN L202 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 132 [2021-02-22 02:04:17,007 WARN L202 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 132 [2021-02-22 02:04:17,408 WARN L202 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 60 [2021-02-22 02:04:18,016 WARN L202 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 135 [2021-02-22 02:04:18,470 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 63 [2021-02-22 02:04:18,869 WARN L202 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 55 [2021-02-22 02:04:19,518 WARN L202 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 138 [2021-02-22 02:04:20,272 WARN L202 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 140 [2021-02-22 02:04:21,084 WARN L202 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 143 [2021-02-22 02:04:21,619 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-02-22 02:04:22,684 WARN L202 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 52 [2021-02-22 02:04:23,392 WARN L202 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 105 [2021-02-22 02:04:23,745 WARN L202 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 107 [2021-02-22 02:04:25,779 WARN L202 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 128 [2021-02-22 02:04:27,971 WARN L202 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 141 [2021-02-22 02:04:29,873 WARN L202 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2021-02-22 02:04:30,383 WARN L202 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 144 [2021-02-22 02:04:31,894 WARN L202 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 147 [2021-02-22 02:04:32,566 WARN L202 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 148 [2021-02-22 02:04:33,361 WARN L202 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 151 [2021-02-22 02:04:34,185 WARN L202 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 152 [2021-02-22 02:04:35,105 WARN L202 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 156 [2021-02-22 02:04:35,328 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-02-22 02:04:36,233 WARN L202 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 157 [2021-02-22 02:04:36,530 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-02-22 02:04:43,114 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-02-22 02:04:46,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:04:46,345 INFO L93 Difference]: Finished difference Result 1467 states and 1894 transitions. [2021-02-22 02:04:46,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-02-22 02:04:46,345 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 173 [2021-02-22 02:04:46,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:04:46,357 INFO L225 Difference]: With dead ends: 1467 [2021-02-22 02:04:46,357 INFO L226 Difference]: Without dead ends: 1465 [2021-02-22 02:04:46,362 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2415 ImplicationChecksByTransitivity, 37.8s TimeCoverageRelationStatistics Valid=1457, Invalid=6005, Unknown=20, NotChecked=0, Total=7482 [2021-02-22 02:04:46,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1465 states. [2021-02-22 02:04:46,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1465 to 1159. [2021-02-22 02:04:46,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1159 states. [2021-02-22 02:04:46,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 1159 states and 1418 transitions. [2021-02-22 02:04:46,665 INFO L78 Accepts]: Start accepts. Automaton has 1159 states and 1418 transitions. Word has length 173 [2021-02-22 02:04:46,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:04:46,665 INFO L480 AbstractCegarLoop]: Abstraction has 1159 states and 1418 transitions. [2021-02-22 02:04:46,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has 34 states. [2021-02-22 02:04:46,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1418 transitions. [2021-02-22 02:04:46,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-02-22 02:04:46,671 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:04:46,672 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, 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] [2021-02-22 02:04:46,672 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-02-22 02:04:46,672 INFO L428 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:04:46,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:04:46,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1227783359, now seen corresponding path program 1 times [2021-02-22 02:04:46,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:04:46,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1539699437] [2021-02-22 02:04:46,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:04:46,722 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 27