/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_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 02:04:00,600 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 02:04:00,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 02:04:00,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-22 02:04:00,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 02:04:00,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 02:04:00,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 02:04:00,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 02:04:00,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 02:04:00,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 02:04:00,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 02:04:00,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 02:04:00,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 02:04:00,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 02:04:00,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 02:04:00,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 02:04:00,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-22 02:04:00,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 02:04:00,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 02:04:00,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 02:04:00,756 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 02:04:00,779 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 02:04:00,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 02:04:00,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 02:04:00,785 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 02:04:00,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 02:04:00,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 02:04:00,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 02:04:00,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 02:04:00,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 02:04:00,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 02:04:00,787 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 02:04:00,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 02:04:00,788 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 02:04:00,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 02:04:00,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 02:04:00,789 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 02:04:00,789 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 02:04:00,789 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 02:04:00,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 02:04:00,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 02:04:00,790 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 02:04:00,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 02:04:00,791 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 02:04:00,791 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 02:04:01,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 02:04:01,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 02:04:01,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 02:04:01,241 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 02:04:01,242 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 02:04:01,243 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label53.c [2021-02-22 02:04:01,311 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20d381179/6e9bc668fe2549018b6c51954184365e/FLAG2170cab2d [2021-02-22 02:04:02,018 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 02:04:02,019 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label53.c [2021-02-22 02:04:02,054 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20d381179/6e9bc668fe2549018b6c51954184365e/FLAG2170cab2d [2021-02-22 02:04:02,279 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20d381179/6e9bc668fe2549018b6c51954184365e [2021-02-22 02:04:02,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 02:04:02,297 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 02:04:02,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 02:04:02,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 02:04:02,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 02:04:02,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:04:02" (1/1) ... [2021-02-22 02:04:02,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a2b2d46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:04:02, skipping insertion in model container [2021-02-22 02:04:02,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:04:02" (1/1) ... [2021-02-22 02:04:02,318 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 02:04:02,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 02:04:02,737 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_label53.c[19724,19737] [2021-02-22 02:04:02,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:04:02,798 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 02:04:02,935 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_label53.c[19724,19737] [2021-02-22 02:04:02,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:04:02,962 INFO L208 MainTranslator]: Completed translation [2021-02-22 02:04:02,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:04:02 WrapperNode [2021-02-22 02:04:02,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 02:04:02,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 02:04:02,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 02:04:02,964 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 02:04:02,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:04:02" (1/1) ... [2021-02-22 02:04:02,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:04:02" (1/1) ... [2021-02-22 02:04:02,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:04:02" (1/1) ... [2021-02-22 02:04:02,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:04:02" (1/1) ... [2021-02-22 02:04:03,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:04:02" (1/1) ... [2021-02-22 02:04:03,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:04:02" (1/1) ... [2021-02-22 02:04:03,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:04:02" (1/1) ... [2021-02-22 02:04:03,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 02:04:03,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 02:04:03,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 02:04:03,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 02:04:03,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:04:02" (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 02:04:03,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 02:04:03,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 02:04:03,197 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 02:04:03,197 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2021-02-22 02:04:03,197 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 02:04:03,197 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2021-02-22 02:04:03,197 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 02:04:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 02:04:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 02:04:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 02:04:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 02:04:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-22 02:04:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 02:04:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 02:04:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 02:04:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 02:04:03,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 02:04:03,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 02:04:03,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 02:04:04,615 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 02:04:04,615 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-22 02:04:04,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:04:04 BoogieIcfgContainer [2021-02-22 02:04:04,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 02:04:04,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 02:04:04,619 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 02:04:04,622 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 02:04:04,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 02:04:02" (1/3) ... [2021-02-22 02:04:04,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4abc4563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:04:04, skipping insertion in model container [2021-02-22 02:04:04,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:04:02" (2/3) ... [2021-02-22 02:04:04,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4abc4563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:04:04, skipping insertion in model container [2021-02-22 02:04:04,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:04:04" (3/3) ... [2021-02-22 02:04:04,626 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label53.c [2021-02-22 02:04:04,632 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 02:04:04,637 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 02:04:04,656 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 02:04:04,678 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 02:04:04,679 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 02:04:04,679 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 02:04:04,679 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 02:04:04,679 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 02:04:04,679 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 02:04:04,679 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 02:04:04,679 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 02:04:04,708 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states. [2021-02-22 02:04:04,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-02-22 02:04:04,748 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:04:04,748 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 02:04:04,749 INFO L428 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:04:04,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:04:04,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1703153254, now seen corresponding path program 1 times [2021-02-22 02:04:04,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:04:04,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2062585314] [2021-02-22 02:04:04,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:04:04,854 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:04:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:04:05,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:05,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:04:05,328 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:05,329 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:04:05,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:05,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:04:05,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:05,337 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:04:05,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:04:05,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:04:05,527 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:05,527 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:04:05,529 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:05,532 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 02:04:05,598 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 02:04:05,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2062585314] [2021-02-22 02:04:05,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:04:05,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-22 02:04:05,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804164429] [2021-02-22 02:04:05,608 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-22 02:04:05,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:04:05,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-22 02:04:05,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-22 02:04:05,629 INFO L87 Difference]: Start difference. First operand 534 states. Second operand 4 states. [2021-02-22 02:04:08,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:04:08,202 INFO L93 Difference]: Finished difference Result 1244 states and 1642 transitions. [2021-02-22 02:04:08,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-22 02:04:08,204 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 150 [2021-02-22 02:04:08,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:04:08,235 INFO L225 Difference]: With dead ends: 1244 [2021-02-22 02:04:08,236 INFO L226 Difference]: Without dead ends: 669 [2021-02-22 02:04:08,248 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-22 02:04:08,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2021-02-22 02:04:08,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 613. [2021-02-22 02:04:08,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2021-02-22 02:04:08,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 723 transitions. [2021-02-22 02:04:08,495 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 723 transitions. Word has length 150 [2021-02-22 02:04:08,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:04:08,498 INFO L480 AbstractCegarLoop]: Abstraction has 613 states and 723 transitions. [2021-02-22 02:04:08,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-22 02:04:08,498 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 723 transitions. [2021-02-22 02:04:08,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-02-22 02:04:08,510 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:04:08,511 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 02:04:08,511 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 02:04:08,511 INFO L428 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:04:08,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:04:08,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1652876108, now seen corresponding path program 1 times [2021-02-22 02:04:08,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:04:08,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2116641824] [2021-02-22 02:04:08,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:04:08,566 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:04:08,591 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:04:08,599 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:04:08,604 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:04:08,641 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:04:08,652 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:04:08,659 WARN L141 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size [2021-02-22 02:04:08,664 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:04:08,668 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:08,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:08,670 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:08,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:04:08,677 WARN L147 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size 81 [2021-02-22 02:04:08,680 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:04:08,686 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:04:08,689 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:04:08,694 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:04:08,726 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:04:08,730 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:04:08,733 WARN L141 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size [2021-02-22 02:04:08,735 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:04:08,736 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:08,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:08,738 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:08,741 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:04:08,742 WARN L147 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size 81 [2021-02-22 02:04:08,745 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:04:08,749 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:04:08,752 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:04:08,757 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:04:08,789 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:04:08,793 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:04:08,796 WARN L141 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size [2021-02-22 02:04:08,798 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:04:08,799 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:08,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:08,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:08,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:04:08,805 WARN L147 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size 81 [2021-02-22 02:04:08,807 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:04:08,811 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:04:08,814 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:04:08,818 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:04:08,849 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:04:08,853 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:04:08,857 WARN L141 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size [2021-02-22 02:04:08,858 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:04:08,860 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:08,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:08,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:08,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:04:08,866 WARN L147 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size 81 [2021-02-22 02:04:08,867 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-22 02:04:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:04:09,111 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:09,111 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:04:09,114 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:09,115 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:04:09,116 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:09,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:04:09,124 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:09,125 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:04:09,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:09,126 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:04:09,127 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:09,128 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:04:09,129 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:09,129 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:04:09,133 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:09,134 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:04:09,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:04:09,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:04:09,256 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:09,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:04:09,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:09,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 02:04:09,363 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 02:04:09,366 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:09,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-02-22 02:04:09,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:09,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:09,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:09,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:04:09,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-02-22 02:04:09,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:09,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:09,378 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:09,379 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:04:09,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-02-22 02:04:09,440 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:09,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:09,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:09,443 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:04:09,445 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-02-22 02:04:09,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:09,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:09,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:09,449 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:04:09,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-02-22 02:04:09,452 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:09,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:09,454 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:09,455 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:04:09,457 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-02-22 02:04:09,487 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:09,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:09,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:09,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:04:09,492 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-02-22 02:04:09,533 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:09,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:09,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:09,540 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:04:09,542 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-02-22 02:04:09,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:09,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:09,586 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:09,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:04:09,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-02-22 02:04:09,689 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:09,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:09,693 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:09,694 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-02-22 02:04:09,696 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-02-22 02:04:09,751 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:09,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:09,754 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:09,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:04:09,760 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-02-22 02:04:09,816 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:09,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:09,817 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:09,818 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:04:09,820 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-02-22 02:04:09,885 WARN L141 QuantifierPusher]: treesize reduction 41, result has 66.7 percent of original size [2021-02-22 02:04:09,890 WARN L147 QuantifierPusher]: treesize reduction 41, result has 66.7 percent of original size 82 [2021-02-22 02:04:09,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:09,967 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-22 02:04:10,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:10,011 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-22 02:04:10,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:10,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-22 02:04:10,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:10,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-22 02:04:10,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:10,092 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-02-22 02:04:10,130 WARN L141 QuantifierPusher]: treesize reduction 8, result has 78.4 percent of original size [2021-02-22 02:04:10,131 WARN L147 QuantifierPusher]: treesize reduction 8, result has 78.4 percent of original size 29 [2021-02-22 02:04:10,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:10,132 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-22 02:04:10,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:10,206 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-22 02:04:10,257 WARN L141 QuantifierPusher]: treesize reduction 30, result has 3.2 percent of original size [2021-02-22 02:04:10,258 WARN L147 QuantifierPusher]: treesize reduction 30, result has 3.2 percent of original size 1 [2021-02-22 02:04:10,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2116641824] [2021-02-22 02:04:10,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:04:10,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-02-22 02:04:10,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609995120] [2021-02-22 02:04:10,260 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-02-22 02:04:10,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:04:10,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-02-22 02:04:10,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2021-02-22 02:04:10,261 INFO L87 Difference]: Start difference. First operand 613 states and 723 transitions. Second operand 19 states. [2021-02-22 02:04:10,673 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 97 [2021-02-22 02:04:10,924 WARN L202 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 99 [2021-02-22 02:04:11,196 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 97 [2021-02-22 02:04:11,481 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 103 [2021-02-22 02:04:11,752 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 103 [2021-02-22 02:04:12,034 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 105 [2021-02-22 02:04:12,211 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-02-22 02:04:13,227 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2021-02-22 02:04:13,493 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2021-02-22 02:04:18,223 WARN L202 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 109 [2021-02-22 02:04:20,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:04:20,101 INFO L93 Difference]: Finished difference Result 1740 states and 2112 transitions. [2021-02-22 02:04:20,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-22 02:04:20,102 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 167 [2021-02-22 02:04:20,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:04:20,110 INFO L225 Difference]: With dead ends: 1740 [2021-02-22 02:04:20,111 INFO L226 Difference]: Without dead ends: 1159 [2021-02-22 02:04:20,114 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=254, Invalid=1078, Unknown=0, NotChecked=0, Total=1332 [2021-02-22 02:04:20,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1159 states. [2021-02-22 02:04:20,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1159 to 1038. [2021-02-22 02:04:20,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1038 states. [2021-02-22 02:04:20,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 1038 states and 1265 transitions. [2021-02-22 02:04:20,361 INFO L78 Accepts]: Start accepts. Automaton has 1038 states and 1265 transitions. Word has length 167 [2021-02-22 02:04:20,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:04:20,362 INFO L480 AbstractCegarLoop]: Abstraction has 1038 states and 1265 transitions. [2021-02-22 02:04:20,362 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2021-02-22 02:04:20,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1265 transitions. [2021-02-22 02:04:20,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-02-22 02:04:20,367 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:04:20,368 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 02:04:20,368 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-22 02:04:20,368 INFO L428 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:04:20,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:04:20,369 INFO L82 PathProgramCache]: Analyzing trace with hash 855597246, now seen corresponding path program 1 times [2021-02-22 02:04:20,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:04:20,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [214959255] [2021-02-22 02:04:20,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:04:20,389 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:04:20,394 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:04:20,396 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:04:20,400 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:04:20,431 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:04:20,437 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:04:20,442 WARN L141 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size [2021-02-22 02:04:20,444 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:04:20,445 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:20,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:20,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:20,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:04:20,449 WARN L147 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size 84 [2021-02-22 02:04:20,451 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:04:20,455 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:04:20,457 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:04:20,461 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:04:20,491 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:04:20,493 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:04:20,495 WARN L141 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size [2021-02-22 02:04:20,496 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:04:20,497 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:20,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:20,498 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:20,501 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:04:20,502 WARN L147 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size 84 [2021-02-22 02:04:20,503 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:04:20,535 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:04:20,537 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:04:20,541 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:04:20,572 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:04:20,574 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:04:20,576 WARN L141 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size [2021-02-22 02:04:20,577 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:04:20,578 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:20,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:20,579 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:20,581 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:04:20,582 WARN L147 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size 84 [2021-02-22 02:04:20,583 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:04:20,587 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:04:20,589 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:04:20,593 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:04:20,624 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:04:20,625 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:04:20,628 WARN L141 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size [2021-02-22 02:04:20,629 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:04:20,630 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:20,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:20,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:20,633 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:04:20,634 WARN L147 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size 84 [2021-02-22 02:04:20,636 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:04:20,639 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:04:20,641 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:04:20,645 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:04:20,676 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:04:20,678 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:04:20,680 WARN L141 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size [2021-02-22 02:04:20,681 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:04:20,682 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:20,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:20,683 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:20,685 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:04:20,686 WARN L147 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size 84 [2021-02-22 02:04:20,687 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:04:20,691 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:04:20,693 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:04:20,697 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:04:20,727 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:04:20,729 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:04:20,731 WARN L141 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size [2021-02-22 02:04:20,732 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:04:20,733 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:20,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:20,734 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:20,736 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:04:20,737 WARN L147 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size 84 [2021-02-22 02:04:20,739 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:04:20,743 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:04:20,744 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:04:20,748 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:04:20,777 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:04:20,779 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:04:20,781 WARN L141 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size [2021-02-22 02:04:20,782 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:04:20,783 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:20,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:20,784 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:20,786 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:04:20,787 WARN L147 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size 84 [2021-02-22 02:04:20,789 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:04:20,793 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:04:20,794 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:04:20,798 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:04:20,828 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:04:20,830 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:04:20,832 WARN L141 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size [2021-02-22 02:04:20,833 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:04:20,834 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:20,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:20,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:20,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:04:20,839 WARN L147 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size 84 [2021-02-22 02:04:20,840 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:04:20,844 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:04:20,846 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:04:20,850 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:04:20,880 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:04:20,882 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:04:20,884 WARN L141 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size [2021-02-22 02:04:20,885 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:04:20,886 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:20,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:20,887 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:20,889 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:04:20,890 WARN L147 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size 84 [2021-02-22 02:04:20,891 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:04:20,895 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:04:20,897 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:04:20,901 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:04:20,930 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:04:20,932 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:04:20,934 WARN L141 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size [2021-02-22 02:04:20,936 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:04:20,937 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:20,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:20,938 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:20,940 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:04:20,941 WARN L147 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size 84 [2021-02-22 02:04:20,941 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-22 02:04:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:04:21,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,086 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:04:21,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:04:21,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:04:21,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:04:21,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,099 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:04:21,100 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:04:21,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,101 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:04:21,102 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:04:21,103 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:04:21,104 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,104 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:04:21,105 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,105 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:04:21,106 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,106 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:04:21,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:04:21,108 WARN L141 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-02-22 02:04:21,109 WARN L147 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size 23 [2021-02-22 02:04:21,123 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,123 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:04:21,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:04:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:04:21,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:04:21,211 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 02:04:21,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:04:21,285 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,286 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:04:21,287 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:21,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,289 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-22 02:04:21,290 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-02-22 02:04:21,291 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:21,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-22 02:04:21,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-02-22 02:04:21,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:21,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-22 02:04:21,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-02-22 02:04:21,299 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:21,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-22 02:04:21,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-02-22 02:04:21,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:21,304 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,305 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-22 02:04:21,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-02-22 02:04:21,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:21,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,309 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-22 02:04:21,310 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-02-22 02:04:21,437 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:21,438 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,441 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-22 02:04:21,444 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-02-22 02:04:21,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:21,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:21,449 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-22 02:04:21,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-02-22 02:04:21,453 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-02-22 02:04:21,488 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:21,490 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:21,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,494 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-22 02:04:21,495 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-02-22 02:04:21,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-02-22 02:04:21,528 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:21,530 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:21,532 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,533 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-22 02:04:21,535 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-02-22 02:04:21,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-02-22 02:04:21,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:21,576 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:21,577 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,578 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-22 02:04:21,579 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-02-22 02:04:21,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:21,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-02-22 02:04:21,587 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-02-22 02:04:21,627 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:21,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,630 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-02-22 02:04:21,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-02-22 02:04:21,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:21,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,729 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-02-22 02:04:21,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-02-22 02:04:21,794 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:21,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,799 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-02-22 02:04:21,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-02-22 02:04:21,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:21,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,860 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-02-22 02:04:21,862 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-02-22 02:04:21,924 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:21,927 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:21,929 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-02-22 02:04:21,933 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-02-22 02:04:22,071 WARN L141 QuantifierPusher]: treesize reduction 89, result has 51.9 percent of original size [2021-02-22 02:04:22,074 WARN L147 QuantifierPusher]: treesize reduction 89, result has 51.9 percent of original size 96 [2021-02-22 02:04:22,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:22,177 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-02-22 02:04:22,234 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:22,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-02-22 02:04:22,279 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:22,279 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-22 02:04:22,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:22,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-22 02:04:22,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:22,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-22 02:04:22,415 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:22,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:22,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:22,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:04:22,419 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-22 02:04:22,495 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:22,498 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-22 02:04:22,555 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:22,556 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-22 02:04:22,557 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:22,560 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:04:22,618 WARN L141 QuantifierPusher]: treesize reduction 8, result has 77.8 percent of original size [2021-02-22 02:04:22,619 WARN L147 QuantifierPusher]: treesize reduction 8, result has 77.8 percent of original size 28 [2021-02-22 02:04:22,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:22,620 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-22 02:04:22,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:22,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-22 02:04:22,753 WARN L141 QuantifierPusher]: treesize reduction 46, result has 2.1 percent of original size [2021-02-22 02:04:22,755 WARN L147 QuantifierPusher]: treesize reduction 46, result has 2.1 percent of original size 1 [2021-02-22 02:04:22,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [214959255] [2021-02-22 02:04:22,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:04:22,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-02-22 02:04:22,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115429799] [2021-02-22 02:04:22,757 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-02-22 02:04:22,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:04:22,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-02-22 02:04:22,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=574, Unknown=0, NotChecked=0, Total=702 [2021-02-22 02:04:22,758 INFO L87 Difference]: Start difference. First operand 1038 states and 1265 transitions. Second operand 26 states. [2021-02-22 02:04:23,235 WARN L202 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 97 [2021-02-22 02:04:23,497 WARN L202 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 99 [2021-02-22 02:04:23,740 WARN L202 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 97 [2021-02-22 02:04:23,997 WARN L202 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 103 [2021-02-22 02:04:24,261 WARN L202 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 103 [2021-02-22 02:04:24,537 WARN L202 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 105 [2021-02-22 02:04:24,864 WARN L202 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 124 [2021-02-22 02:04:25,067 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-02-22 02:04:26,756 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2021-02-22 02:04:26,973 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-02-22 02:04:27,201 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-02-22 02:04:27,404 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2021-02-22 02:04:35,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:04:35,824 INFO L93 Difference]: Finished difference Result 3070 states and 3912 transitions. [2021-02-22 02:04:35,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-02-22 02:04:35,825 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 172 [2021-02-22 02:04:35,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:04:35,841 INFO L225 Difference]: With dead ends: 3070 [2021-02-22 02:04:35,841 INFO L226 Difference]: Without dead ends: 2064 [2021-02-22 02:04:35,847 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 675 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=444, Invalid=1908, Unknown=0, NotChecked=0, Total=2352 [2021-02-22 02:04:35,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2064 states. [2021-02-22 02:04:36,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2064 to 1835. [2021-02-22 02:04:36,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1835 states. [2021-02-22 02:04:36,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1835 states and 2303 transitions. [2021-02-22 02:04:36,315 INFO L78 Accepts]: Start accepts. Automaton has 1835 states and 2303 transitions. Word has length 172 [2021-02-22 02:04:36,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:04:36,316 INFO L480 AbstractCegarLoop]: Abstraction has 1835 states and 2303 transitions. [2021-02-22 02:04:36,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2021-02-22 02:04:36,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2303 transitions. [2021-02-22 02:04:36,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-02-22 02:04:36,325 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:04:36,325 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:04:36,325 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-02-22 02:04:36,326 INFO L428 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:04:36,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:04:36,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1047126332, now seen corresponding path program 1 times [2021-02-22 02:04:36,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:04:36,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1245150838] [2021-02-22 02:04:36,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:04:36,353 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,353 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,355 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,355 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,357 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:04:36,359 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:04:36,361 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-22 02:04:36,362 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-22 02:04:36,363 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,363 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,365 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,365 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,367 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:04:36,370 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:04:36,371 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-22 02:04:36,372 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-22 02:04:36,373 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,374 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,375 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,376 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,378 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:04:36,380 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:04:36,383 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-22 02:04:36,384 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-22 02:04:36,385 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,385 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,387 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,387 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,390 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:04:36,391 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:04:36,392 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-22 02:04:36,392 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-22 02:04:36,393 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,393 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,395 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,396 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,398 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:04:36,398 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:04:36,400 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-22 02:04:36,400 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-22 02:04:36,401 WARN L141 QuantifierPusher]: treesize reduction 11, result has 84.5 percent of original size [2021-02-22 02:04:36,408 WARN L147 QuantifierPusher]: treesize reduction 11, result has 84.5 percent of original size 60 [2021-02-22 02:04:36,410 WARN L141 QuantifierPusher]: treesize reduction 11, result has 84.5 percent of original size [2021-02-22 02:04:36,413 WARN L147 QuantifierPusher]: treesize reduction 11, result has 84.5 percent of original size 60 [2021-02-22 02:04:36,472 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:04:36,473 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:04:36,476 WARN L141 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size [2021-02-22 02:04:36,477 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:04:36,479 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:36,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:36,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:36,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:04:36,483 WARN L147 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size 83 [2021-02-22 02:04:36,484 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,484 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,486 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,486 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,488 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:04:36,489 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:04:36,490 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-22 02:04:36,491 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-22 02:04:36,492 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,493 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,494 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,494 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,496 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:04:36,497 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:04:36,499 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-22 02:04:36,499 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-22 02:04:36,500 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,500 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,502 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,502 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,504 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:04:36,505 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:04:36,506 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-22 02:04:36,507 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-22 02:04:36,508 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,508 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,509 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,510 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,512 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:04:36,513 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:04:36,514 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-22 02:04:36,515 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-22 02:04:36,516 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,516 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,518 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,518 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,520 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:04:36,521 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:04:36,522 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-22 02:04:36,523 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-22 02:04:36,525 WARN L141 QuantifierPusher]: treesize reduction 11, result has 84.5 percent of original size [2021-02-22 02:04:36,528 WARN L147 QuantifierPusher]: treesize reduction 11, result has 84.5 percent of original size 60 [2021-02-22 02:04:36,530 WARN L141 QuantifierPusher]: treesize reduction 11, result has 84.5 percent of original size [2021-02-22 02:04:36,533 WARN L147 QuantifierPusher]: treesize reduction 11, result has 84.5 percent of original size 60 [2021-02-22 02:04:36,565 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:04:36,567 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:04:36,569 WARN L141 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size [2021-02-22 02:04:36,570 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:04:36,571 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:36,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:04:36,572 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:04:36,574 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:04:36,575 WARN L147 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size 83 [2021-02-22 02:04:36,576 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,577 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,578 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,578 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,580 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:04:36,581 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:04:36,583 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-22 02:04:36,583 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-22 02:04:36,584 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,585 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,586 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,586 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,588 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:04:36,589 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:04:36,590 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-22 02:04:36,591 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-22 02:04:36,592 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,592 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,594 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,594 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,596 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:04:36,597 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:04:36,599 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-22 02:04:36,599 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-22 02:04:36,600 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,600 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,602 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,602 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,604 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:04:36,605 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:04:36,606 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-22 02:04:36,607 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-22 02:04:36,608 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,608 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,609 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,610 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,611 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:04:36,612 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:04:36,614 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-22 02:04:36,614 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-22 02:04:36,615 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,616 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,617 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,618 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,620 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:04:36,621 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:04:36,622 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-22 02:04:36,622 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-22 02:04:36,623 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,624 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,625 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,625 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,627 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:04:36,628 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:04:36,629 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-22 02:04:36,630 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-22 02:04:36,631 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,631 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,633 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,633 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,635 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:04:36,636 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:04:36,637 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-22 02:04:36,638 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-22 02:04:36,639 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,639 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,641 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,641 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,643 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:04:36,644 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:04:36,645 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-22 02:04:36,646 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-22 02:04:36,647 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,647 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,649 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-22 02:04:36,649 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-22 02:04:36,651 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:04:36,652 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:04:36,653 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-22 02:04:36,654 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-22 02:04:36,654 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-22 02:04:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-22 02:04:36,690 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-22 02:04:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-22 02:04:36,724 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-22 02:04:36,826 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-22 02:04:36,826 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-22 02:04:36,827 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-02-22 02:04:36,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.02 02:04:36 BoogieIcfgContainer [2021-02-22 02:04:36,857 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-22 02:04:36,857 INFO L168 Benchmark]: Toolchain (without parser) took 34572.29 ms. Allocated memory was 154.1 MB in the beginning and 463.5 MB in the end (delta: 309.3 MB). Free memory was 129.2 MB in the beginning and 350.1 MB in the end (delta: -220.9 MB). Peak memory consumption was 89.5 MB. Max. memory is 8.0 GB. [2021-02-22 02:04:36,858 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 154.1 MB. Free memory was 126.5 MB in the beginning and 126.4 MB in the end (delta: 106.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 02:04:36,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.85 ms. Allocated memory is still 154.1 MB. Free memory was 128.1 MB in the beginning and 132.8 MB in the end (delta: -4.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 8.0 GB. [2021-02-22 02:04:36,858 INFO L168 Benchmark]: Boogie Preprocessor took 127.91 ms. Allocated memory is still 154.1 MB. Free memory was 132.8 MB in the beginning and 128.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-22 02:04:36,858 INFO L168 Benchmark]: RCFGBuilder took 1525.32 ms. Allocated memory was 154.1 MB in the beginning and 191.9 MB in the end (delta: 37.7 MB). Free memory was 128.2 MB in the beginning and 104.2 MB in the end (delta: 24.0 MB). Peak memory consumption was 65.9 MB. Max. memory is 8.0 GB. [2021-02-22 02:04:36,859 INFO L168 Benchmark]: TraceAbstraction took 32237.46 ms. Allocated memory was 191.9 MB in the beginning and 463.5 MB in the end (delta: 271.6 MB). Free memory was 103.7 MB in the beginning and 350.1 MB in the end (delta: -246.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2021-02-22 02:04:36,859 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 154.1 MB. Free memory was 126.5 MB in the beginning and 126.4 MB in the end (delta: 106.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 659.85 ms. Allocated memory is still 154.1 MB. Free memory was 128.1 MB in the beginning and 132.8 MB in the end (delta: -4.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 127.91 ms. Allocated memory is still 154.1 MB. Free memory was 132.8 MB in the beginning and 128.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1525.32 ms. Allocated memory was 154.1 MB in the beginning and 191.9 MB in the end (delta: 37.7 MB). Free memory was 128.2 MB in the beginning and 104.2 MB in the end (delta: 24.0 MB). Peak memory consumption was 65.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 32237.46 ms. Allocated memory was 191.9 MB in the beginning and 463.5 MB in the end (delta: 271.6 MB). Free memory was 103.7 MB in the beginning and 350.1 MB in the end (delta: -246.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 528]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int a= 1; [L18] int d= 4; [L19] int e= 5; [L20] int f= 6; [L21] int c= 3; [L22] int b= 2; [L25] int u = 21; [L26] int v = 22; [L27] int w = 23; [L28] int x = 24; [L29] int y = 25; [L30] int z = 26; [L32] int a17 = 1; [L33] int a7 = 0; [L34] int a20 = 1; [L35] int a8 = 15; [L36] int a12 = 8; [L37] int a16 = 5; [L38] int a21 = 1; [L590] int output = -1; [L593] COND TRUE 1 [L596] int input; [L597] input = __VERIFIER_nondet_int() [L598] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L601] CALL, EXPR calculate_output(input) [L41] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) [L45] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) [L53] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) [L59] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) [L64] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) [L72] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) [L75] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) [L82] COND FALSE !(((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1))))))))) [L90] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) [L94] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&(((a20==1)&&((a17==1)&&(a7==1)))&&(a8==13)))&&!(a21==1)))&&(input==2))&&(a12==8))) [L102] COND FALSE !(((a8==13)&&(!(a21==1)&&((((input==3)&&((((a20==1)&&!(a17==1))&&(a16==6))||((!(a20==1)&&(a17==1))&&(a16==4))))&&(a12==8))&&(a7==1))))) [L107] COND FALSE !(((((a21==1)&&((a12==8)&&((input==1)&&(((!(a20==1)&&(a17==1))&&(a16==4))||(((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&(!(a17==1)&&(a20==1))))))))&&!(a7==1))&&(a8==15))) [L112] COND TRUE (((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1)) [L113] a20 = 0 [L114] a8 = 15 [L115] a17 = 0 [L116] a21 = 1 [L117] return -1; [L601] RET, EXPR calculate_output(input) [L601] output = calculate_output(input) [L593] COND TRUE 1 [L596] int input; [L597] input = __VERIFIER_nondet_int() [L598] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L601] CALL calculate_output(input) [L41] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) [L45] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) [L53] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) [L59] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) [L64] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) [L72] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) [L75] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) [L82] COND FALSE !(((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1))))))))) [L90] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) [L94] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&(((a20==1)&&((a17==1)&&(a7==1)))&&(a8==13)))&&!(a21==1)))&&(input==2))&&(a12==8))) [L102] COND FALSE !(((a8==13)&&(!(a21==1)&&((((input==3)&&((((a20==1)&&!(a17==1))&&(a16==6))||((!(a20==1)&&(a17==1))&&(a16==4))))&&(a12==8))&&(a7==1))))) [L107] COND FALSE !(((((a21==1)&&((a12==8)&&((input==1)&&(((!(a20==1)&&(a17==1))&&(a16==4))||(((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&(!(a17==1)&&(a20==1))))))))&&!(a7==1))&&(a8==15))) [L112] COND FALSE !((((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1))) [L118] COND FALSE !(((a17==1)&&(((a8==15)&&(((a12==8)&&((!(a7==1)&&(input==5))&&(a21==1)))&&!(a20==1)))&&(a16==5)))) [L124] COND FALSE !((!(a7==1)&&(((((a21==1)&&(((a8==15)&&(input==5))&&!(a17==1)))&&(a12==8))&&(a20==1))&&(a16==4)))) [L129] COND FALSE !(((!(a21==1)&&(((a12==8)&&((((a16==6)&&((a20==1)&&!(a17==1)))||((!(a20==1)&&(a17==1))&&(a16==4)))&&(input==1)))&&(a8==13)))&&(a7==1))) [L134] COND FALSE !(((a17==1)&&(!(a7==1)&&(((a21==1)&&(((a12==8)&&((input==5)&&((a16==5)||(a16==6))))&&(a20==1)))&&(a8==15))))) [L139] COND FALSE !((((a12==8)&&(!(a21==1)&&((a7==1)&&((a8==13)&&((input==6)&&((((a16==6)&&(a17==1))||((a16==4)&&!(a17==1)))||((a16==5)&&!(a17==1))))))))&&(a20==1))) [L146] COND FALSE !((((a16==5)&&((((a8==15)&&((!(a7==1)&&(input==2))&&(a21==1)))&&(a12==8))&&!(a20==1)))&&!(a17==1))) [L150] COND FALSE !((!(a20==1)&&((a21==1)&&((a16==4)&&((a8==15)&&(((a12==8)&&((input==2)&&!(a7==1)))&&!(a17==1))))))) [L154] COND FALSE !((((a21==1)&&(!(a7==1)&&((!(a20==1)&&(!(a17==1)&&((a12==8)&&(input==6))))&&(a16==4))))&&(a8==15))) [L158] COND FALSE !(((a17==1)&&((((((a12==8)&&((input==4)&&(a8==13)))&&(a20==1))&&!(a21==1))&&(a16==5))&&(a7==1)))) [L162] COND FALSE !(((((a8==13)&&((a12==8)&&((((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5)))&&(input==1))&&!(a21==1))))&&(a20==1))&&(a7==1))) [L170] COND FALSE !(((a8==13)&&(!(a21==1)&&((((((!(a17==1)&&(a20==1))&&(a16==6))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==5))&&(a7==1))&&(a12==8))))) [L175] COND FALSE !(((!(a21==1)&&((((((a16==6)&&((a20==1)&&!(a17==1)))||(((a17==1)&&!(a20==1))&&(a16==4)))&&(input==4))&&(a7==1))&&(a12==8)))&&(a8==13))) [L183] COND FALSE !((((a21==1)&&(!(a7==1)&&((((((a16==5)&&((a20==1)&&!(a17==1)))||((!(a17==1)&&(a20==1))&&(a16==6)))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==4))&&(a12==8))))&&(a8==15))) [L188] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&((((a7==1)&&(a17==1))&&(a20==1))&&(a8==13)))&&!(a21==1)))&&(input==4))&&(a12==8))) [L196] COND FALSE !((!(a17==1)&&(((a12==8)&&(!(a20==1)&&(((a8==15)&&((a21==1)&&(input==4)))&&!(a7==1))))&&(a16==5)))) [L199] COND FALSE !((((!(a7==1)&&(((input==2)&&((((a16==5)&&((a20==1)&&!(a17==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a8==15)))&&(a12==8))&&(a21==1))) [L204] COND FALSE !((!(a20==1)&&(((((((input==6)&&(a16==5))&&(a21==1))&&!(a17==1))&&(a12==8))&&!(a7==1))&&(a8==15)))) [L207] COND FALSE !(((a12==8)&&(((((((a21==1)&&(input==5))&&(a8==15))&&(a17==1))&&!(a7==1))&&!(a20==1))&&(a16==6)))) [L213] COND FALSE !(((((a8==15)&&(!(a7==1)&&((((!(a20==1)&&(a17==1))&&(a16==4))||(((!(a17==1)&&(a20==1))&&(a16==5))||((a16==6)&&((a20==1)&&!(a17==1)))))&&(input==6))))&&(a12==8))&&(a21==1))) [L218] COND FALSE !(((a8==15)&&((a16==4)&&(!(a20==1)&&((((a21==1)&&(!(a17==1)&&(input==5)))&&!(a7==1))&&(a12==8)))))) [L224] COND FALSE !(((a17==1)&&((a12==8)&&((a8==15)&&(((!(a7==1)&&(((a16==5)||(a16==6))&&(input==2)))&&(a21==1))&&(a20==1)))))) [L228] COND FALSE !((!(a7==1)&&(((a8==15)&&((!(a17==1)&&((a12==8)&&((input==3)&&(a21==1))))&&(a16==4)))&&(a20==1)))) [L233] COND FALSE !(((a16==5)&&((!(a21==1)&&(((a8==13)&&(((input==2)&&(a20==1))&&(a12==8)))&&(a7==1)))&&(a17==1)))) [L241] COND FALSE !(((a20==1)&&(((a12==8)&&((a7==1)&&((a8==13)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==3)))))&&!(a21==1)))) [L248] COND FALSE !(((a12==8)&&((a7==1)&&(!(a21==1)&&((a8==13)&&((input==6)&&(((a16==6)&&((a20==1)&&!(a17==1)))||((a16==4)&&((a17==1)&&!(a20==1)))))))))) [L255] COND FALSE !(((!(a7==1)&&(!(a17==1)&&((((a16==4)&&((a8==15)&&(input==1)))&&(a12==8))&&(a21==1))))&&(a20==1))) [L260] COND FALSE !(((a17==1)&&(((a21==1)&&(!(a20==1)&&((a12==8)&&((a8==15)&&(!(a7==1)&&(input==1))))))&&(a16==6)))) [L266] COND FALSE !(((a20==1)&&((a12==8)&&((((a17==1)&&((((a16==5)||(a16==6))&&(input==4))&&(a8==15)))&&(a21==1))&&!(a7==1))))) [L271] COND FALSE !(((((a8==13)&&((((!(a21==1)&&(input==6))&&(a20==1))&&(a12==8))&&(a17==1)))&&(a7==1))&&(a16==5))) [L275] COND FALSE !(((a16==5)&&(((((a12==8)&&(!(a7==1)&&((input==2)&&!(a20==1))))&&(a21==1))&&(a17==1))&&(a8==15)))) [L278] COND FALSE !((((a12==8)&&(((!(a17==1)&&((a21==1)&&((input==4)&&!(a7==1))))&&(a8==15))&&(a20==1)))&&(a16==4))) [L283] COND FALSE !(((a7==1)&&((a8==13)&&((a12==8)&&(!(a21==1)&&((input==2)&&((((a20==1)&&!(a17==1))&&(a16==6))||(((a17==1)&&!(a20==1))&&(a16==4))))))))) [L288] COND FALSE !((((((((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15))&&(a16==6))&&(a21==1))||((((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1)))&&(a16==4))&&!(a21==1)))&&(input==6))&&(a12==8))) [L296] COND FALSE !(((!(a7==1)&&(!(a17==1)&&(((((input==3)&&(a21==1))&&(a16==4))&&(a8==15))&&(a12==8))))&&!(a20==1))) [L302] COND FALSE !((((((a12==8)&&(((((a17==1)&&!(a20==1))&&(a16==4))||((((a20==1)&&!(a17==1))&&(a16==5))||((!(a17==1)&&(a20==1))&&(a16==6))))&&(input==3)))&&(a8==15))&&(a21==1))&&!(a7==1))) [L309] COND FALSE !((((!(a7==1)&&(((input==5)&&((((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a12==8)))&&(a21==1))&&(a8==15))) [L316] COND FALSE !(((!(a7==1)&&(((a21==1)&&(((a17==1)&&((a12==8)&&(input==2)))&&!(a20==1)))&&(a16==6)))&&(a8==15))) [L322] COND FALSE !(((!(a17==1)&&((a21==1)&&((!(a20==1)&&((a12==8)&&((input==3)&&!(a7==1))))&&(a8==15))))&&(a16==5))) [L326] COND FALSE !((((a16==5)&&(!(a20==1)&&(((((input==6)&&(a21==1))&&(a17==1))&&!(a7==1))&&(a12==8))))&&(a8==15))) [L328] COND FALSE !((!(a7==1)&&((a17==1)&&(((a16==6)&&(!(a20==1)&&(((input==6)&&(a12==8))&&(a21==1))))&&(a8==15))))) [L334] COND FALSE !(((((a21==1)&&((a8==15)&&((a12==8)&&(!(a7==1)&&(!(a17==1)&&(input==2))))))&&(a16==4))&&(a20==1))) [L339] COND FALSE !(((a8==15)&&(((a16==4)&&((a12==8)&&((!(a20==1)&&(!(a7==1)&&(input==1)))&&!(a17==1))))&&(a21==1)))) [L343] COND FALSE !(((a21==1)&&(((a12==8)&&((((a17==1)&&((input==3)&&((a16==5)||(a16==6))))&&!(a7==1))&&(a20==1)))&&(a8==15)))) [L347] COND FALSE !((!(a21==1)&&((a20==1)&&(((a12==8)&&((a8==13)&&((((a16==5)&&!(a17==1))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==2))))&&(a7==1))))) [L355] COND FALSE !(((a7==1)&&((a12==8)&&((((a20==1)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||((a16==4)&&!(a17==1))))&&(input==4)))&&(a8==13))&&!(a21==1))))) [L363] COND FALSE !(((a21==1)&&((((!(a7==1)&&((a8==15)&&(!(a20==1)&&(input==4))))&&(a17==1))&&(a16==5))&&(a12==8)))) [L365] COND FALSE !((((!(a7==1)&&((!(a20==1)&&((a21==1)&&((input==3)&&(a17==1))))&&(a8==15)))&&(a12==8))&&(a16==5))) [L371] COND FALSE !(((((!(a17==1)&&(!(a20==1)&&((a8==15)&&((input==1)&&(a16==5)))))&&(a12==8))&&(a21==1))&&!(a7==1))) [L373] COND FALSE !(((((a21==1)&&((a8==15)&&(((a16==5)&&((a12==8)&&(input==1)))&&(a17==1))))&&!(a7==1))&&!(a20==1))) [L375] COND FALSE !(((!(a21==1)&&((a20==1)&&((((a8==13)&&((a7==1)&&(input==5)))&&(a17==1))&&(a12==8))))&&(a16==5))) [L382] COND FALSE !((((!(a7==1)&&((a21==1)&&((((input==6)&&(a20==1))&&(a8==15))&&!(a17==1))))&&(a12==8))&&(a16==4))) [L387] COND FALSE !(((((a20==1)&&(((!(a21==1)&&((a7==1)&&(input==1)))&&(a8==13))&&(a17==1)))&&(a12==8))&&(a16==5))) [L392] COND FALSE !(((a12==8)&&((input==5)&&((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==15))&&(a16==6))&&(a21==1))||(!(a21==1)&&((a16==4)&&(((a20==1)&&((a7==1)&&(a17==1)))&&(a8==13)))))))) [L401] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) [L404] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) [L407] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==15))&&(a12==8))&&(a16==4))&&(a21==1))) [L410] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==6))&&(a21==1))) [L413] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) [L416] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==15))&&(a12==8))&&(a16==5))&&(a21==1))) [L419] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==5))&&(a21==1))) [L422] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) [L425] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L428] COND FALSE !(((((((!(a17==1)&&(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==5))&&(a21==1))) [L431] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L434] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==5))&&(a21==1))) [L437] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L440] COND FALSE !((((((((a17==1)&&!(a7==1))&&!(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L443] COND FALSE !((((((((a17==1)&&(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==6))&&(a21==1))) [L446] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==6))&&(a21==1))) [L449] COND FALSE !(((((((!(a17==1)&&(a7==1))&&(a20==1))&&(a8==15))&&(a12==8))&&(a16==5))&&(a21==1))) [L452] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==15))&&(a12==8))&&(a16==4))&&(a21==1))) [L455] COND FALSE !(((((((!(a17==1)&&(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L458] COND FALSE !((((((((a17==1)&&(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==6))&&(a21==1))) [L461] COND FALSE !((((((((a17==1)&&(a7==1))&&!(a20==1))&&(a8==15))&&(a12==8))&&(a16==6))&&(a21==1))) [L464] COND FALSE !(((((((!(a17==1)&&(a7==1))&&(a20==1))&&(a8==15))&&(a12==8))&&(a16==6))&&(a21==1))) [L467] COND FALSE !((((((((a17==1)&&(a7==1))&&!(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L470] COND FALSE !((((((((a17==1)&&(a7==1))&&(a20==1))&&(a8==15))&&(a12==8))&&(a16==4))&&(a21==1))) [L473] COND FALSE !(((((((!(a17==1)&&(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==6))&&(a21==1))) [L476] COND FALSE !((((((((a17==1)&&(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L479] COND FALSE !((((((((a17==1)&&(a7==1))&&(a20==1))&&(a8==15))&&(a12==8))&&(a16==5))&&(a21==1))) [L482] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==6))&&(a21==1))) [L485] COND FALSE !((((((((a17==1)&&(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==5))&&(a21==1))) [L488] COND FALSE !((((((((a17==1)&&(a7==1))&&!(a20==1))&&(a8==15))&&(a12==8))&&(a16==4))&&(a21==1))) [L491] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==5))&&(a21==1))) [L494] COND FALSE !(((((((!(a17==1)&&(a7==1))&&(a20==1))&&(a8==15))&&(a12==8))&&(a16==4))&&(a21==1))) [L497] COND FALSE !((((((((a17==1)&&(a7==1))&&!(a20==1))&&(a8==13))&&(a12==8))&&(a16==6))&&(a21==1))) [L500] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==15))&&(a12==8))&&(a16==6))&&(a21==1))) [L503] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==5))&&(a21==1))) [L506] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==6))&&(a21==1))) [L509] COND FALSE !((((((((a17==1)&&(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==5))&&(a21==1))) [L512] COND FALSE !((((((((a17==1)&&(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) [L515] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==13))&&(a12==8))&&(a16==6))&&(a21==1))) [L518] COND FALSE !((((((((a17==1)&&!(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==6))&&(a21==1))) [L521] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==13))&&(a12==8))&&(a16==6))&&(a21==1))) [L524] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L527] COND TRUE (((((((a17==1)&&!(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1)) [L528] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 537 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 32.1s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 25.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1077 SDtfs, 6076 SDslu, 1455 SDs, 0 SdLazy, 10382 SolverSat, 1154 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 33 SyntacticMatches, 3 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1020 ImplicationChecksByTransitivity, 8.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1835occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 3 MinimizatonAttempts, 406 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...