/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-36cd7be [2021-02-24 04:28:22,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 04:28:22,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 04:28:22,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-24 04:28:22,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 04:28:22,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 04:28:22,178 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 04:28:22,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 04:28:22,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 04:28:22,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 04:28:22,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 04:28:22,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 04:28:22,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 04:28:22,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 04:28:22,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 04:28:22,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 04:28:22,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-24 04:28:22,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 04:28:22,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 04:28:22,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 04:28:22,222 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-24 04:28:22,249 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 04:28:22,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 04:28:22,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 04:28:22,254 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 04:28:22,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 04:28:22,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 04:28:22,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 04:28:22,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 04:28:22,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 04:28:22,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 04:28:22,257 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 04:28:22,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 04:28:22,258 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 04:28:22,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 04:28:22,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 04:28:22,259 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 04:28:22,259 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 04:28:22,259 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 04:28:22,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 04:28:22,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 04:28:22,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 04:28:22,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 04:28:22,285 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 04:28:22,285 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 04:28:22,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 04:28:22,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 04:28:22,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 04:28:22,784 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 04:28:22,790 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 04:28:22,791 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label49.c [2021-02-24 04:28:22,874 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7317a440/c22c6170dd694c3998387dd0aea5744b/FLAG257e67faf [2021-02-24 04:28:23,629 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 04:28:23,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label49.c [2021-02-24 04:28:23,643 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7317a440/c22c6170dd694c3998387dd0aea5744b/FLAG257e67faf [2021-02-24 04:28:23,868 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7317a440/c22c6170dd694c3998387dd0aea5744b [2021-02-24 04:28:23,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 04:28:23,887 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 04:28:23,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 04:28:23,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 04:28:23,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 04:28:23,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:28:23" (1/1) ... [2021-02-24 04:28:23,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7294811e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:28:23, skipping insertion in model container [2021-02-24 04:28:23,901 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:28:23" (1/1) ... [2021-02-24 04:28:23,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 04:28:23,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 04:28:24,404 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] [2021-02-24 04:28:24,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:28:24,450 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 04:28:24,628 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] [2021-02-24 04:28:24,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:28:24,682 INFO L208 MainTranslator]: Completed translation [2021-02-24 04:28:24,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:28:24 WrapperNode [2021-02-24 04:28:24,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 04:28:24,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 04:28:24,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 04:28:24,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 04:28:24,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:28:24" (1/1) ... [2021-02-24 04:28:24,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:28:24" (1/1) ... [2021-02-24 04:28:24,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:28:24" (1/1) ... [2021-02-24 04:28:24,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:28:24" (1/1) ... [2021-02-24 04:28:24,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:28:24" (1/1) ... [2021-02-24 04:28:24,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:28:24" (1/1) ... [2021-02-24 04:28:24,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:28:24" (1/1) ... [2021-02-24 04:28:24,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 04:28:24,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 04:28:24,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 04:28:24,793 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 04:28:24,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:28:24" (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 [2021-02-24 04:28:24,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 04:28:24,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 04:28:24,922 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 04:28:24,922 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2021-02-24 04:28:24,922 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 04:28:24,922 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2021-02-24 04:28:24,922 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 04:28:24,923 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 04:28:24,923 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 04:28:24,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 04:28:24,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 04:28:24,924 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-24 04:28:24,924 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 04:28:24,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 04:28:24,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 04:28:24,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 04:28:24,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 04:28:24,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 04:28:24,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 04:28:26,286 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 04:28:26,286 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-24 04:28:26,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:28:26 BoogieIcfgContainer [2021-02-24 04:28:26,289 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 04:28:26,291 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 04:28:26,291 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 04:28:26,294 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 04:28:26,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 04:28:23" (1/3) ... [2021-02-24 04:28:26,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef17002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:28:26, skipping insertion in model container [2021-02-24 04:28:26,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:28:24" (2/3) ... [2021-02-24 04:28:26,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef17002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:28:26, skipping insertion in model container [2021-02-24 04:28:26,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:28:26" (3/3) ... [2021-02-24 04:28:26,298 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label49.c [2021-02-24 04:28:26,305 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 04:28:26,311 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 04:28:26,330 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 04:28:26,353 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 04:28:26,354 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 04:28:26,354 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 04:28:26,354 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 04:28:26,354 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 04:28:26,354 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 04:28:26,354 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 04:28:26,354 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 04:28:26,412 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states. [2021-02-24 04:28:26,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-02-24 04:28:26,437 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:28:26,438 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] [2021-02-24 04:28:26,438 INFO L428 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:28:26,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:28:26,446 INFO L82 PathProgramCache]: Analyzing trace with hash -850360261, now seen corresponding path program 1 times [2021-02-24 04:28:26,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:28:26,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1813351616] [2021-02-24 04:28:26,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:28:26,532 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:28:26,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:28:26,972 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-24 04:28:26,973 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-24 04:28:26,984 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:26,985 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:28:26,986 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:26,986 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:28:26,987 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:26,988 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:28:27,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:28:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:28:27,098 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:27,099 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:28:27,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:27,104 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:28:27,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:28:27,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1813351616] [2021-02-24 04:28:27,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:28:27,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-24 04:28:27,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530260630] [2021-02-24 04:28:27,189 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-24 04:28:27,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:28:27,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-24 04:28:27,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-24 04:28:27,207 INFO L87 Difference]: Start difference. First operand 534 states. Second operand 5 states. [2021-02-24 04:28:30,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:28:30,557 INFO L93 Difference]: Finished difference Result 1369 states and 1904 transitions. [2021-02-24 04:28:30,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-24 04:28:30,559 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2021-02-24 04:28:30,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:28:30,583 INFO L225 Difference]: With dead ends: 1369 [2021-02-24 04:28:30,583 INFO L226 Difference]: Without dead ends: 789 [2021-02-24 04:28:30,597 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-24 04:28:30,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2021-02-24 04:28:30,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 754. [2021-02-24 04:28:30,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 754 states. [2021-02-24 04:28:30,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 940 transitions. [2021-02-24 04:28:30,896 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 940 transitions. Word has length 143 [2021-02-24 04:28:30,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:28:30,897 INFO L480 AbstractCegarLoop]: Abstraction has 754 states and 940 transitions. [2021-02-24 04:28:30,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-24 04:28:30,897 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 940 transitions. [2021-02-24 04:28:30,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-02-24 04:28:30,906 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:28:30,906 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] [2021-02-24 04:28:30,907 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 04:28:30,907 INFO L428 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:28:30,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:28:30,908 INFO L82 PathProgramCache]: Analyzing trace with hash -568971768, now seen corresponding path program 1 times [2021-02-24 04:28:30,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:28:30,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [13096428] [2021-02-24 04:28:30,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:28:30,974 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:28:30,999 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:28:31,011 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:28:31,017 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:28:31,060 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:28:31,073 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:28:31,080 WARN L141 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size [2021-02-24 04:28:31,086 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:28:31,091 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:31,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:31,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:31,097 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:28:31,101 WARN L147 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size 83 [2021-02-24 04:28:31,104 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:28:31,110 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:28:31,115 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:28:31,122 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:28:31,160 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:28:31,164 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:28:31,168 WARN L141 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size [2021-02-24 04:28:31,170 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:28:31,172 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:31,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:31,174 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:31,177 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:28:31,178 WARN L147 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size 83 [2021-02-24 04:28:31,181 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:28:31,187 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:28:31,190 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:28:31,196 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:28:31,230 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:28:31,233 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:28:31,238 WARN L141 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size [2021-02-24 04:28:31,240 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:28:31,242 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:31,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:31,244 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:31,247 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:28:31,248 WARN L147 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size 83 [2021-02-24 04:28:31,251 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:28:31,257 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:28:31,260 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:28:31,266 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:28:31,299 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:28:31,302 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:28:31,306 WARN L141 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size [2021-02-24 04:28:31,307 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:28:31,309 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:31,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:31,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:31,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:28:31,316 WARN L147 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size 83 [2021-02-24 04:28:31,319 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:28:31,328 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:28:31,331 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:28:31,340 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:28:31,375 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:28:31,377 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:28:31,382 WARN L141 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size [2021-02-24 04:28:31,384 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:28:31,385 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:31,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:31,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:31,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:28:31,391 WARN L147 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size 83 [2021-02-24 04:28:31,394 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:28:31,400 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:28:31,403 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:28:31,410 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:28:31,444 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:28:31,446 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:28:31,450 WARN L141 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size [2021-02-24 04:28:31,452 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:28:31,454 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:31,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:31,456 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:31,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:28:31,462 WARN L147 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size 83 [2021-02-24 04:28:31,464 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:28:31,470 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:28:31,473 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:28:31,480 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:28:31,518 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:28:31,520 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:28:31,524 WARN L141 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size [2021-02-24 04:28:31,526 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:28:31,528 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:31,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:31,529 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:31,532 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:28:31,534 WARN L147 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size 83 [2021-02-24 04:28:31,536 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:28:31,541 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:28:31,544 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:28:31,550 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:28:31,591 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:28:31,593 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:28:31,597 WARN L141 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size [2021-02-24 04:28:31,599 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:28:31,600 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:31,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:31,602 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:31,607 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:28:31,609 WARN L147 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size 83 [2021-02-24 04:28:31,611 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:28:31,618 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:28:31,620 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:28:31,626 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:28:31,677 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:28:31,679 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:28:31,683 WARN L141 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size [2021-02-24 04:28:31,684 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:28:31,686 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:31,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:31,689 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:31,694 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:28:31,695 WARN L147 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size 83 [2021-02-24 04:28:31,698 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:28:31,706 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:28:31,709 WARN L141 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size [2021-02-24 04:28:31,714 WARN L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-02-24 04:28:31,748 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:28:31,750 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:28:31,754 WARN L141 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size [2021-02-24 04:28:31,755 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:28:31,758 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:31,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:31,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:31,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:28:31,765 WARN L147 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size 83 [2021-02-24 04:28:31,766 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-24 04:28:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:28:32,147 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-24 04:28:32,148 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-24 04:28:32,153 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,154 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:28:32,155 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:28:32,171 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:28:32,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,173 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:28:32,174 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,175 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:28:32,175 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,176 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:28:32,177 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,178 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:28:32,178 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,179 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:28:32,180 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,180 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:28:32,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,182 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:28:32,182 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:28:32,184 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,185 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:28:32,188 WARN L141 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size [2021-02-24 04:28:32,189 WARN L147 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size 24 [2021-02-24 04:28:32,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:28:32,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:28:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:28:32,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,326 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:28:32,327 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:28:32,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:28:32,477 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:32,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,488 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:28:32,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-24 04:28:32,497 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:32,503 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,505 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-24 04:28:32,507 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-02-24 04:28:32,513 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:32,518 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,521 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-24 04:28:32,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-02-24 04:28:32,525 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:32,528 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,529 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-24 04:28:32,531 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-02-24 04:28:32,533 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:32,536 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,537 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-24 04:28:32,538 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-02-24 04:28:32,540 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:32,546 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-24 04:28:32,550 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-02-24 04:28:32,552 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:32,553 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,556 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-24 04:28:32,557 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-02-24 04:28:32,633 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:32,638 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:28:32,641 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-24 04:28:32,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:32,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,647 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:28:32,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-24 04:28:32,652 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:32,657 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,658 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:28:32,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-02-24 04:28:32,715 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:32,718 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,720 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:28:32,721 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-02-24 04:28:32,751 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:32,759 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:32,760 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:28:32,761 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-02-24 04:28:34,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:34,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:34,772 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:34,773 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:28:34,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-02-24 04:28:35,875 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:35,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:35,881 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:35,882 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:28:35,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-02-24 04:28:35,953 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:35,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:35,956 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:35,958 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:28:35,959 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-02-24 04:28:37,010 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:37,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:37,012 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:37,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:28:37,015 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-02-24 04:28:38,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:38,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:38,799 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:38,800 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:28:38,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-02-24 04:28:39,886 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:39,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:39,888 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:39,889 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:28:39,892 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-02-24 04:28:41,070 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:41,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:41,072 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:41,073 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:28:41,076 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-02-24 04:28:42,326 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-02-24 04:28:42,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:42,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:42,333 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:42,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:28:42,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 234 [2021-02-24 04:28:43,699 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-02-24 04:28:43,705 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:43,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:43,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:43,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:28:43,725 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 290 [2021-02-24 04:28:45,220 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-02-24 04:28:45,225 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:45,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:45,227 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:45,228 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:28:45,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 293 [2021-02-24 04:28:46,541 WARN L202 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-02-24 04:28:46,547 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:46,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:46,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:46,552 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:28:46,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 323 [2021-02-24 04:28:47,852 WARN L202 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-02-24 04:28:47,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:47,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:47,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:47,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:28:47,876 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 379 [2021-02-24 04:28:49,281 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-02-24 04:28:49,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:49,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:49,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:49,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:28:49,311 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 409 [2021-02-24 04:28:50,718 WARN L202 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-02-24 04:28:50,725 WARN L141 QuantifierPusher]: treesize reduction 330, result has 27.9 percent of original size [2021-02-24 04:28:50,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:50,727 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:50,727 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-02-24 04:28:50,728 WARN L147 QuantifierPusher]: treesize reduction 330, result has 27.9 percent of original size 128 [2021-02-24 04:28:50,899 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:50,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:50,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:50,904 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:28:50,908 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-02-24 04:28:51,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:51,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:51,071 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:51,072 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:28:51,073 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-02-24 04:28:51,227 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:51,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-02-24 04:28:51,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:51,316 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-02-24 04:28:51,401 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:51,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:51,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:51,405 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:28:51,407 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-02-24 04:28:51,498 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:51,499 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-24 04:28:51,572 WARN L141 QuantifierPusher]: treesize reduction -2, result has 106.5 percent of original size [2021-02-24 04:28:51,575 WARN L147 QuantifierPusher]: treesize reduction -2, result has 106.5 percent of original size 33 [2021-02-24 04:28:51,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:51,659 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-24 04:28:51,661 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:51,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-02-24 04:28:51,739 WARN L141 QuantifierPusher]: treesize reduction 8, result has 78.9 percent of original size [2021-02-24 04:28:51,741 WARN L147 QuantifierPusher]: treesize reduction 8, result has 78.9 percent of original size 30 [2021-02-24 04:28:51,742 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:51,743 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-24 04:28:54,389 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:54,396 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-24 04:28:57,082 WARN L141 QuantifierPusher]: treesize reduction 46, result has 2.1 percent of original size [2021-02-24 04:28:57,084 WARN L147 QuantifierPusher]: treesize reduction 46, result has 2.1 percent of original size 1 [2021-02-24 04:28:57,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [13096428] [2021-02-24 04:28:57,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:28:57,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2021-02-24 04:28:57,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092479107] [2021-02-24 04:28:57,087 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-02-24 04:28:57,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:28:57,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-02-24 04:28:57,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=937, Unknown=20, NotChecked=0, Total=1190 [2021-02-24 04:28:57,089 INFO L87 Difference]: Start difference. First operand 754 states and 940 transitions. Second operand 34 states. [2021-02-24 04:28:57,618 WARN L202 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 97 [2021-02-24 04:28:57,896 WARN L202 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 99 [2021-02-24 04:28:58,171 WARN L202 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 97 [2021-02-24 04:28:58,433 WARN L202 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 104 [2021-02-24 04:28:58,700 WARN L202 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 104 [2021-02-24 04:28:58,994 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 106 [2021-02-24 04:28:59,429 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 126 [2021-02-24 04:29:00,005 WARN L202 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 129 [2021-02-24 04:29:00,174 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 46 [2021-02-24 04:29:00,729 WARN L202 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 132 [2021-02-24 04:29:01,445 WARN L202 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 132 [2021-02-24 04:29:01,862 WARN L202 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 60 [2021-02-24 04:29:02,485 WARN L202 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 135 [2021-02-24 04:29:02,968 WARN L202 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 63 [2021-02-24 04:29:03,398 WARN L202 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 55 [2021-02-24 04:29:04,054 WARN L202 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 138 [2021-02-24 04:29:04,836 WARN L202 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 140 [2021-02-24 04:29:05,694 WARN L202 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 143 [2021-02-24 04:29:06,266 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-02-24 04:29:07,375 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 52 [2021-02-24 04:29:08,119 WARN L202 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 105 [2021-02-24 04:29:08,487 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 107 [2021-02-24 04:29:10,669 WARN L202 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 128 [2021-02-24 04:29:12,989 WARN L202 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 141 [2021-02-24 04:29:15,043 WARN L202 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2021-02-24 04:29:15,596 WARN L202 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 144 [2021-02-24 04:29:17,194 WARN L202 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 147 [2021-02-24 04:29:17,892 WARN L202 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 148 [2021-02-24 04:29:18,669 WARN L202 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 151 [2021-02-24 04:29:19,506 WARN L202 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 152 [2021-02-24 04:29:20,484 WARN L202 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 156 [2021-02-24 04:29:20,726 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-02-24 04:29:21,664 WARN L202 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 157 [2021-02-24 04:29:21,993 WARN L202 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-02-24 04:29:28,895 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-02-24 04:29:32,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:29:32,584 INFO L93 Difference]: Finished difference Result 1467 states and 1894 transitions. [2021-02-24 04:29:32,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-02-24 04:29:32,585 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 173 [2021-02-24 04:29:32,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:29:32,597 INFO L225 Difference]: With dead ends: 1467 [2021-02-24 04:29:32,597 INFO L226 Difference]: Without dead ends: 1465 [2021-02-24 04:29:32,602 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2415 ImplicationChecksByTransitivity, 40.5s TimeCoverageRelationStatistics Valid=1457, Invalid=6005, Unknown=20, NotChecked=0, Total=7482 [2021-02-24 04:29:32,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1465 states. [2021-02-24 04:29:32,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1465 to 1159. [2021-02-24 04:29:32,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1159 states. [2021-02-24 04:29:32,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 1159 states and 1418 transitions. [2021-02-24 04:29:32,975 INFO L78 Accepts]: Start accepts. Automaton has 1159 states and 1418 transitions. Word has length 173 [2021-02-24 04:29:32,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:29:32,977 INFO L480 AbstractCegarLoop]: Abstraction has 1159 states and 1418 transitions. [2021-02-24 04:29:32,977 INFO L481 AbstractCegarLoop]: Interpolant automaton has 34 states. [2021-02-24 04:29:32,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1418 transitions. [2021-02-24 04:29:32,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-02-24 04:29:32,987 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:29:32,988 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] [2021-02-24 04:29:32,988 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-02-24 04:29:32,988 INFO L428 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:29:32,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:29:32,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1227783359, now seen corresponding path program 1 times [2021-02-24 04:29:32,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:29:32,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1069035482] [2021-02-24 04:29:32,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:29:33,051 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 27