/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 02:08:24,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 02:08:24,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 02:08:24,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-22 02:08:25,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 02:08:25,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 02:08:25,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 02:08:25,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 02:08:25,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 02:08:25,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 02:08:25,019 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 02:08:25,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 02:08:25,052 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 02:08:25,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 02:08:25,067 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 02:08:25,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 02:08:25,073 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-22 02:08:25,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 02:08:25,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 02:08:25,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 02:08:25,093 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 02:08:25,104 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 02:08:25,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 02:08:25,106 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 02:08:25,106 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 02:08:25,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 02:08:25,107 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 02:08:25,107 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 02:08:25,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 02:08:25,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 02:08:25,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 02:08:25,108 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 02:08:25,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 02:08:25,108 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 02:08:25,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 02:08:25,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 02:08:25,109 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 02:08:25,109 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 02:08:25,109 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 02:08:25,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 02:08:25,109 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 02:08:25,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 02:08:25,110 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 02:08:25,110 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 02:08:25,110 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 02:08:25,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 02:08:25,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 02:08:25,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 02:08:25,533 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 02:08:25,536 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 02:08:25,537 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label26.c [2021-02-22 02:08:25,612 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7a34a7ca/978c427000494c56a5a61c40d88a9c12/FLAG8691061fe [2021-02-22 02:08:26,296 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 02:08:26,296 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label26.c [2021-02-22 02:08:26,316 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7a34a7ca/978c427000494c56a5a61c40d88a9c12/FLAG8691061fe [2021-02-22 02:08:26,523 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7a34a7ca/978c427000494c56a5a61c40d88a9c12 [2021-02-22 02:08:26,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 02:08:26,537 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 02:08:26,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 02:08:26,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 02:08:26,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 02:08:26,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:08:26" (1/1) ... [2021-02-22 02:08:26,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c4dda5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:08:26, skipping insertion in model container [2021-02-22 02:08:26,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:08:26" (1/1) ... [2021-02-22 02:08:26,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 02:08:26,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 02:08:26,973 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label26.c[20881,20894] [2021-02-22 02:08:27,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:08:27,017 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 02:08:27,156 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label26.c[20881,20894] [2021-02-22 02:08:27,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:08:27,201 INFO L208 MainTranslator]: Completed translation [2021-02-22 02:08:27,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:08:27 WrapperNode [2021-02-22 02:08:27,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 02:08:27,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 02:08:27,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 02:08:27,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 02:08:27,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:08:27" (1/1) ... [2021-02-22 02:08:27,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:08:27" (1/1) ... [2021-02-22 02:08:27,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:08:27" (1/1) ... [2021-02-22 02:08:27,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:08:27" (1/1) ... [2021-02-22 02:08:27,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:08:27" (1/1) ... [2021-02-22 02:08:27,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:08:27" (1/1) ... [2021-02-22 02:08:27,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:08:27" (1/1) ... [2021-02-22 02:08:27,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 02:08:27,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 02:08:27,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 02:08:27,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 02:08:27,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:08:27" (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 02:08:27,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 02:08:27,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 02:08:27,475 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 02:08:27,475 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2021-02-22 02:08:27,475 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 02:08:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2021-02-22 02:08:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 02:08:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 02:08:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 02:08:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 02:08:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 02:08:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-22 02:08:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 02:08:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 02:08:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 02:08:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 02:08:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 02:08:27,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 02:08:27,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 02:08:28,867 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 02:08:28,868 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-22 02:08:28,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:08:28 BoogieIcfgContainer [2021-02-22 02:08:28,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 02:08:28,875 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 02:08:28,875 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 02:08:28,880 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 02:08:28,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 02:08:26" (1/3) ... [2021-02-22 02:08:28,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a1871a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:08:28, skipping insertion in model container [2021-02-22 02:08:28,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:08:27" (2/3) ... [2021-02-22 02:08:28,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a1871a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:08:28, skipping insertion in model container [2021-02-22 02:08:28,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:08:28" (3/3) ... [2021-02-22 02:08:28,884 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label26.c [2021-02-22 02:08:28,895 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 02:08:28,900 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 02:08:28,919 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 02:08:28,952 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 02:08:28,952 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 02:08:28,953 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 02:08:28,953 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 02:08:28,953 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 02:08:28,953 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 02:08:28,953 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 02:08:28,953 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 02:08:28,983 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states. [2021-02-22 02:08:29,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-02-22 02:08:29,012 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:08:29,014 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 02:08:29,014 INFO L428 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:08:29,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:08:29,024 INFO L82 PathProgramCache]: Analyzing trace with hash -901038303, now seen corresponding path program 1 times [2021-02-22 02:08:29,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:08:29,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [930226998] [2021-02-22 02:08:29,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:08:29,107 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:08:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:08:29,617 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-22 02:08:29,618 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-22 02:08:29,627 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:29,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:08:29,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:29,630 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:08:29,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:29,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:08:29,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:08:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:08:29,737 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:29,737 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:08:29,738 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:29,739 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:08:29,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:08:29,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [930226998] [2021-02-22 02:08:29,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:08:29,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-22 02:08:29,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435640545] [2021-02-22 02:08:29,884 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-22 02:08:29,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:08:29,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-22 02:08:29,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-22 02:08:29,901 INFO L87 Difference]: Start difference. First operand 536 states. Second operand 5 states. [2021-02-22 02:08:32,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:08:32,481 INFO L93 Difference]: Finished difference Result 1214 states and 1660 transitions. [2021-02-22 02:08:32,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-22 02:08:32,483 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 170 [2021-02-22 02:08:32,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:08:32,504 INFO L225 Difference]: With dead ends: 1214 [2021-02-22 02:08:32,505 INFO L226 Difference]: Without dead ends: 635 [2021-02-22 02:08:32,514 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-02-22 02:08:32,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2021-02-22 02:08:32,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 621. [2021-02-22 02:08:32,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2021-02-22 02:08:32,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 782 transitions. [2021-02-22 02:08:32,750 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 782 transitions. Word has length 170 [2021-02-22 02:08:32,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:08:32,751 INFO L480 AbstractCegarLoop]: Abstraction has 621 states and 782 transitions. [2021-02-22 02:08:32,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-22 02:08:32,751 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 782 transitions. [2021-02-22 02:08:32,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-02-22 02:08:32,760 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:08:32,761 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 02:08:32,761 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 02:08:32,762 INFO L428 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:08:32,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:08:32,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1687171403, now seen corresponding path program 1 times [2021-02-22 02:08:32,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:08:32,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [481112627] [2021-02-22 02:08:32,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:08:32,820 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-22 02:08:32,840 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-22 02:08:32,851 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-22 02:08:32,857 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-22 02:08:32,888 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:32,902 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:32,909 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-22 02:08:32,914 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:32,919 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:32,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:32,921 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:32,925 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:32,929 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-22 02:08:32,933 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-22 02:08:32,938 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-22 02:08:32,941 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-22 02:08:32,947 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-22 02:08:32,994 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:32,998 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:33,002 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-22 02:08:33,004 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:33,005 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:33,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,010 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:33,011 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-22 02:08:33,014 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-22 02:08:33,019 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-22 02:08:33,021 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-22 02:08:33,026 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-22 02:08:33,053 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:33,056 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:33,062 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-22 02:08:33,064 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:33,065 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:33,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:33,071 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-22 02:08:33,073 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-22 02:08:33,078 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-22 02:08:33,081 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-22 02:08:33,085 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-22 02:08:33,119 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:33,121 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:33,124 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-22 02:08:33,126 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:33,127 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:33,129 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,133 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:33,134 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-22 02:08:33,134 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-22 02:08:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:08:33,343 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-22 02:08:33,343 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-22 02:08:33,347 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:08:33,348 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,349 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-22 02:08:33,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-22 02:08:33,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-22 02:08:33,359 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,359 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-22 02:08:33,360 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-22 02:08:33,361 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,362 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:08:33,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:08:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:08:33,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:08:33,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:08:33,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:08:33,603 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:33,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,609 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-22 02:08:33,611 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-02-22 02:08:33,614 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:33,616 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,617 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-02-22 02:08:33,618 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:08:33,620 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:33,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-02-22 02:08:33,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:08:33,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:33,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-22 02:08:33,672 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-02-22 02:08:33,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:33,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-22 02:08:33,680 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-02-22 02:08:33,682 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:33,686 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,687 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-22 02:08:33,690 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-02-22 02:08:33,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:33,722 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-22 02:08:33,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-02-22 02:08:33,756 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:33,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:33,765 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-22 02:08:33,766 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-02-22 02:08:36,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:36,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:36,390 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:36,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-22 02:08:36,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-02-22 02:08:37,445 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:37,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:37,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:37,453 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-22 02:08:37,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-02-22 02:08:37,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:37,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:37,515 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:37,516 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-22 02:08:37,518 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-02-22 02:08:38,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:38,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:38,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:38,494 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-22 02:08:38,496 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-02-22 02:08:39,464 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:39,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:39,466 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:39,467 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-22 02:08:39,469 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-02-22 02:08:40,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:40,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:40,498 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:40,499 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-22 02:08:40,502 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-02-22 02:08:41,571 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:41,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:41,573 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:41,574 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-22 02:08:41,576 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-02-22 02:08:42,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:42,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:42,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:42,645 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-22 02:08:42,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-02-22 02:08:43,953 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:43,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:43,981 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:43,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-22 02:08:43,987 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 208 [2021-02-22 02:08:45,153 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-02-22 02:08:45,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:45,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:45,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:45,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-22 02:08:45,167 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 235 [2021-02-22 02:08:46,320 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-02-22 02:08:46,327 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:46,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:46,329 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:46,330 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-22 02:08:46,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 281 [2021-02-22 02:08:47,739 WARN L202 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2021-02-22 02:08:47,746 WARN L141 QuantifierPusher]: treesize reduction 220, result has 27.2 percent of original size [2021-02-22 02:08:47,751 WARN L147 QuantifierPusher]: treesize reduction 220, result has 27.2 percent of original size 82 [2021-02-22 02:08:47,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:47,862 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-22 02:08:47,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:47,929 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 02:08:47,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:47,974 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 02:08:48,022 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:48,024 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-22 02:08:48,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:48,080 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-22 02:08:48,150 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:48,150 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-22 02:08:48,152 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:48,154 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-02-22 02:08:48,231 WARN L141 QuantifierPusher]: treesize reduction 8, result has 75.8 percent of original size [2021-02-22 02:08:48,232 WARN L147 QuantifierPusher]: treesize reduction 8, result has 75.8 percent of original size 25 [2021-02-22 02:08:48,232 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:48,233 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-22 02:08:50,742 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:50,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-22 02:08:53,239 WARN L141 QuantifierPusher]: treesize reduction 28, result has 3.4 percent of original size [2021-02-22 02:08:53,240 WARN L147 QuantifierPusher]: treesize reduction 28, result has 3.4 percent of original size 1 [2021-02-22 02:08:53,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [481112627] [2021-02-22 02:08:53,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:08:53,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-02-22 02:08:53,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643218691] [2021-02-22 02:08:53,242 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-02-22 02:08:53,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:08:53,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-02-22 02:08:53,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=699, Unknown=18, NotChecked=0, Total=870 [2021-02-22 02:08:53,244 INFO L87 Difference]: Start difference. First operand 621 states and 782 transitions. Second operand 29 states. [2021-02-22 02:08:53,704 WARN L202 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 91 [2021-02-22 02:08:53,950 WARN L202 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 93 [2021-02-22 02:08:54,186 WARN L202 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 91 [2021-02-22 02:08:54,414 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 96 [2021-02-22 02:08:54,654 WARN L202 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 96 [2021-02-22 02:08:54,907 WARN L202 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 98 [2021-02-22 02:08:55,248 WARN L202 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 118 [2021-02-22 02:08:55,703 WARN L202 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 124 [2021-02-22 02:08:55,880 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 49 [2021-02-22 02:08:56,127 WARN L202 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 56 [2021-02-22 02:08:56,575 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 130 [2021-02-22 02:08:57,184 WARN L202 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 131 [2021-02-22 02:08:57,747 WARN L202 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 137 [2021-02-22 02:08:58,415 WARN L202 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 138 [2021-02-22 02:08:59,083 WARN L202 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 141 [2021-02-22 02:08:59,412 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 66 [2021-02-22 02:08:59,648 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-02-22 02:09:04,071 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 55 [2021-02-22 02:09:14,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:09:14,220 INFO L93 Difference]: Finished difference Result 1072 states and 1331 transitions. [2021-02-22 02:09:14,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-02-22 02:09:14,225 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 196 [2021-02-22 02:09:14,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:09:14,234 INFO L225 Difference]: With dead ends: 1072 [2021-02-22 02:09:14,234 INFO L226 Difference]: Without dead ends: 1070 [2021-02-22 02:09:14,237 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 772 ImplicationChecksByTransitivity, 25.5s TimeCoverageRelationStatistics Valid=581, Invalid=2481, Unknown=18, NotChecked=0, Total=3080 [2021-02-22 02:09:14,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2021-02-22 02:09:14,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 998. [2021-02-22 02:09:14,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 998 states. [2021-02-22 02:09:14,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1245 transitions. [2021-02-22 02:09:14,452 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1245 transitions. Word has length 196 [2021-02-22 02:09:14,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:09:14,453 INFO L480 AbstractCegarLoop]: Abstraction has 998 states and 1245 transitions. [2021-02-22 02:09:14,453 INFO L481 AbstractCegarLoop]: Interpolant automaton has 29 states. [2021-02-22 02:09:14,453 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1245 transitions. [2021-02-22 02:09:14,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-02-22 02:09:14,459 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:09:14,459 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 02:09:14,460 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-22 02:09:14,460 INFO L428 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:09:14,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:09:14,461 INFO L82 PathProgramCache]: Analyzing trace with hash 34297559, now seen corresponding path program 1 times [2021-02-22 02:09:14,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:09:14,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1553668273] [2021-02-22 02:09:14,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:09:14,482 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:09:14,487 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:09:14,489 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:09:14,494 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:09:14,522 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:09:14,524 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:09:14,526 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-22 02:09:14,527 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:09:14,529 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:14,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:09:14,530 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:14,533 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:09:14,534 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-22 02:09:14,535 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:09:14,540 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:09:14,542 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:09:14,546 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:09:14,574 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:09:14,576 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:09:14,579 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-22 02:09:14,580 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:09:14,581 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:14,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:09:14,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:14,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:09:14,585 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-22 02:09:14,585 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-22 02:09:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:09:14,740 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-22 02:09:14,740 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-22 02:09:14,750 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:14,754 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:09:14,755 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:14,755 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-22 02:09:14,766 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:14,767 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-22 02:09:14,768 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:14,769 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-22 02:09:14,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:14,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:09:14,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:09:14,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:09:14,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:14,898 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:09:14,903 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:14,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:09:15,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:09:15,018 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:15,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:09:15,020 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:15,021 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:09:15,022 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-02-22 02:09:15,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:15,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:09:15,024 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:15,025 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:09:15,026 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-02-22 02:09:15,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:15,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:09:15,063 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:15,064 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:09:15,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-02-22 02:09:15,066 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:15,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:09:15,068 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:15,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:09:15,070 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-02-22 02:09:16,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:16,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:09:16,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:16,099 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:09:16,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-02-22 02:09:16,127 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:16,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:09:16,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:16,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:09:16,132 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-02-22 02:09:16,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:16,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:09:16,169 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:16,170 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:09:16,171 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-02-22 02:09:18,112 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:18,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:09:18,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:18,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:09:18,117 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-02-22 02:09:19,167 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:19,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:09:19,171 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:19,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:09:19,175 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-02-22 02:09:19,234 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:19,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:09:19,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:19,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:09:19,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-02-22 02:09:20,281 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:20,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:09:20,285 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:20,285 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:09:20,286 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-02-22 02:09:21,313 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:21,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:09:21,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:21,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:09:21,317 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-02-22 02:09:22,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:22,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:09:22,395 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:22,396 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:09:22,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-02-22 02:09:23,510 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:23,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:09:23,512 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:23,513 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:09:23,514 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-02-22 02:09:24,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:24,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:09:24,663 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:24,664 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:09:24,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-02-22 02:09:25,818 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-02-22 02:09:25,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:25,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:09:25,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:25,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:09:25,826 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 213 [2021-02-22 02:09:26,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:26,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:09:26,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:26,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:09:26,905 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-02-22 02:09:28,081 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-02-22 02:09:28,085 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:28,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:09:28,087 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:28,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:09:28,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 262 [2021-02-22 02:09:29,463 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2021-02-22 02:09:29,468 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:29,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:09:29,471 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:29,473 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:09:29,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 293 [2021-02-22 02:09:30,874 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2021-02-22 02:09:30,879 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:30,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:09:30,882 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:30,883 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:09:30,885 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 318 [2021-02-22 02:09:32,148 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-02-22 02:09:32,153 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:32,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:09:32,155 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:32,158 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:09:32,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 355 [2021-02-22 02:09:33,509 WARN L202 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-02-22 02:09:33,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:33,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:09:33,515 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:33,516 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:09:33,520 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 382 [2021-02-22 02:09:34,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:34,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:09:34,647 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:34,648 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:09:34,655 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 401 [2021-02-22 02:09:36,186 WARN L202 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 95 [2021-02-22 02:09:36,192 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:36,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:09:36,197 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:36,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:09:36,204 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 416 [2021-02-22 02:09:37,548 WARN L202 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-02-22 02:09:37,557 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:37,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:09:37,558 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:37,559 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:09:37,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 442 [2021-02-22 02:09:38,953 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-02-22 02:09:38,958 WARN L141 QuantifierPusher]: treesize reduction 398, result has 14.2 percent of original size [2021-02-22 02:09:38,961 WARN L147 QuantifierPusher]: treesize reduction 398, result has 14.2 percent of original size 66 [2021-02-22 02:09:39,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:39,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 02:09:39,178 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:39,179 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 02:09:39,276 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:39,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:09:39,279 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:39,280 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:09:39,281 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 02:09:39,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:39,405 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-22 02:09:39,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:39,488 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-22 02:09:39,561 WARN L141 QuantifierPusher]: treesize reduction -2, result has 107.1 percent of original size [2021-02-22 02:09:39,562 WARN L147 QuantifierPusher]: treesize reduction -2, result has 107.1 percent of original size 30 [2021-02-22 02:09:39,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:39,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 02:09:39,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:39,644 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:09:39,717 WARN L141 QuantifierPusher]: treesize reduction 8, result has 77.1 percent of original size [2021-02-22 02:09:39,718 WARN L147 QuantifierPusher]: treesize reduction 8, result has 77.1 percent of original size 27 [2021-02-22 02:09:39,781 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:39,782 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 02:09:43,249 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:09:43,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-22 02:09:46,695 WARN L141 QuantifierPusher]: treesize reduction 28, result has 3.4 percent of original size [2021-02-22 02:09:46,695 WARN L147 QuantifierPusher]: treesize reduction 28, result has 3.4 percent of original size 1 [2021-02-22 02:09:46,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1553668273] [2021-02-22 02:09:46,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:09:46,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2021-02-22 02:09:46,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449598612] [2021-02-22 02:09:46,697 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-02-22 02:09:46,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:09:46,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-02-22 02:09:46,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=275, Invalid=1031, Unknown=26, NotChecked=0, Total=1332 [2021-02-22 02:09:46,699 INFO L87 Difference]: Start difference. First operand 998 states and 1245 transitions. Second operand 36 states. [2021-02-22 02:09:47,128 WARN L202 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 91 [2021-02-22 02:09:47,389 WARN L202 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 93 [2021-02-22 02:09:47,608 WARN L202 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 91 [2021-02-22 02:09:47,832 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 96 [2021-02-22 02:09:48,075 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 96 [2021-02-22 02:09:48,338 WARN L202 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 98 [2021-02-22 02:09:48,704 WARN L202 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 112 [2021-02-22 02:09:49,144 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 115 [2021-02-22 02:09:49,625 WARN L202 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 116 [2021-02-22 02:09:50,105 WARN L202 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 68 [2021-02-22 02:09:50,758 WARN L202 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 121 [2021-02-22 02:09:51,077 WARN L202 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 41 [2021-02-22 02:09:51,756 WARN L202 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2021-02-22 02:09:52,540 WARN L202 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 129 [2021-02-22 02:09:53,339 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 40 [2021-02-22 02:09:53,885 WARN L202 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 49 [2021-02-22 02:09:54,295 WARN L202 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 97 [2021-02-22 02:09:54,648 WARN L202 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 99 [2021-02-22 02:09:55,039 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 120 [2021-02-22 02:09:55,522 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 126 [2021-02-22 02:09:55,820 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 51 [2021-02-22 02:09:56,248 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 132 [2021-02-22 02:09:56,819 WARN L202 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 133 [2021-02-22 02:09:57,556 WARN L202 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 136 [2021-02-22 02:09:58,244 WARN L202 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 139 [2021-02-22 02:09:59,034 WARN L202 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 140 [2021-02-22 02:09:59,864 WARN L202 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 141 [2021-02-22 02:10:00,744 WARN L202 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 142 [2021-02-22 02:10:01,682 WARN L202 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 143 [2021-02-22 02:10:02,584 WARN L202 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 147 [2021-02-22 02:10:03,565 WARN L202 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 148 [2021-02-22 02:10:03,813 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-02-22 02:10:04,447 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 57 [2021-02-22 02:10:24,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:10:24,845 INFO L93 Difference]: Finished difference Result 3644 states and 4788 transitions. [2021-02-22 02:10:24,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-22 02:10:24,845 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 204 [2021-02-22 02:10:24,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:10:24,867 INFO L225 Difference]: With dead ends: 3644 [2021-02-22 02:10:24,867 INFO L226 Difference]: Without dead ends: 2676 [2021-02-22 02:10:24,875 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 8 SyntacticMatches, 3 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1984 ImplicationChecksByTransitivity, 46.0s TimeCoverageRelationStatistics Valid=1274, Invalid=5506, Unknown=26, NotChecked=0, Total=6806 [2021-02-22 02:10:24,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2676 states. [2021-02-22 02:10:25,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2676 to 2161. [2021-02-22 02:10:25,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2161 states. [2021-02-22 02:10:25,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 2161 states and 2673 transitions. [2021-02-22 02:10:25,664 INFO L78 Accepts]: Start accepts. Automaton has 2161 states and 2673 transitions. Word has length 204 [2021-02-22 02:10:25,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:10:25,664 INFO L480 AbstractCegarLoop]: Abstraction has 2161 states and 2673 transitions. [2021-02-22 02:10:25,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has 36 states. [2021-02-22 02:10:25,664 INFO L276 IsEmpty]: Start isEmpty. Operand 2161 states and 2673 transitions. [2021-02-22 02:10:25,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-02-22 02:10:25,673 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:10:25,673 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:10:25,674 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-22 02:10:25,674 INFO L428 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:10:25,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:10:25,674 INFO L82 PathProgramCache]: Analyzing trace with hash -781223696, now seen corresponding path program 1 times [2021-02-22 02:10:25,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:10:25,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2123276858] [2021-02-22 02:10:25,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:10:25,705 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:10:25,706 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:10:25,707 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:10:25,708 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:10:25,710 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:10:25,711 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:10:25,713 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:10:25,713 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:10:25,714 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:10:25,715 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:10:25,716 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:10:25,716 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:10:25,718 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:10:25,719 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:10:25,720 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:10:25,721 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:10:25,722 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:10:25,722 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:10:25,723 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:10:25,724 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:10:25,726 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:10:25,726 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:10:25,728 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:10:25,728 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:10:25,729 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:10:25,729 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:10:25,731 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:10:25,731 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:10:25,733 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:10:25,734 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:10:25,735 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:10:25,735 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:10:25,736 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:10:25,737 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:10:25,738 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:10:25,738 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:10:25,740 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:10:25,741 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:10:25,743 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:10:25,743 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:10:25,744 WARN L141 QuantifierPusher]: treesize reduction 11, result has 83.1 percent of original size [2021-02-22 02:10:25,748 WARN L147 QuantifierPusher]: treesize reduction 11, result has 83.1 percent of original size 54 [2021-02-22 02:10:25,750 WARN L141 QuantifierPusher]: treesize reduction 11, result has 83.1 percent of original size [2021-02-22 02:10:25,754 WARN L147 QuantifierPusher]: treesize reduction 11, result has 83.1 percent of original size 54 [2021-02-22 02:10:25,782 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:10:25,784 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:10:25,786 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-22 02:10:25,787 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:10:25,788 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:10:25,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:10:25,789 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:10:25,791 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:10:25,792 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-22 02:10:25,793 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:10:25,794 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:10:25,795 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:10:25,795 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:10:25,797 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:10:25,798 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:10:25,799 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:10:25,800 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:10:25,801 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:10:25,801 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:10:25,802 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:10:25,803 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:10:25,804 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:10:25,805 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:10:25,806 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:10:25,807 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:10:25,808 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:10:25,808 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:10:25,809 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:10:25,810 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:10:25,811 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:10:25,812 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:10:25,814 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:10:25,814 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:10:25,815 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:10:25,815 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:10:25,817 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:10:25,817 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:10:25,819 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:10:25,820 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:10:25,821 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:10:25,821 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:10:25,822 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:10:25,823 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:10:25,824 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:10:25,824 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:10:25,826 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:10:25,827 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:10:25,828 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:10:25,829 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:10:25,829 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:10:25,830 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:10:25,831 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:10:25,831 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:10:25,833 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:10:25,834 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:10:25,835 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:10:25,836 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:10:25,837 WARN L141 QuantifierPusher]: treesize reduction 11, result has 83.1 percent of original size [2021-02-22 02:10:25,840 WARN L147 QuantifierPusher]: treesize reduction 11, result has 83.1 percent of original size 54 [2021-02-22 02:10:25,842 WARN L141 QuantifierPusher]: treesize reduction 11, result has 83.1 percent of original size [2021-02-22 02:10:25,845 WARN L147 QuantifierPusher]: treesize reduction 11, result has 83.1 percent of original size 54 [2021-02-22 02:10:25,873 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:10:25,875 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:10:25,877 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-22 02:10:25,878 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:10:25,879 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:10:25,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:10:25,881 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:10:25,883 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:10:25,884 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-22 02:10:25,886 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:10:25,886 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:10:25,889 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:10:25,889 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:10:25,894 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:10:25,895 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:10:25,897 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:10:25,897 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:10:25,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:10:25,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:10:25,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:10:25,905 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:10:25,934 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:10:25,938 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:10:25,940 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-22 02:10:25,943 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:10:25,945 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:10:25,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:10:25,946 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:10:25,951 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:10:25,952 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-22 02:10:25,953 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:10:25,958 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:10:25,961 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:10:25,965 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:10:25,991 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:10:25,993 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:10:25,995 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-22 02:10:25,996 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:10:25,997 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:10:25,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:10:25,998 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:10:26,000 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:10:26,001 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-22 02:10:26,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:10:26,005 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:10:26,006 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:10:26,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:10:26,037 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:10:26,039 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:10:26,041 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-22 02:10:26,042 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:10:26,043 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:10:26,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:10:26,044 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:10:26,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:10:26,047 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-22 02:10:26,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:10:26,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:10:26,054 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:10:26,056 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-02-22 02:10:26,083 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:10:26,085 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:10:26,087 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-22 02:10:26,087 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:10:26,088 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:10:26,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:10:26,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:10:26,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:10:26,092 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-22 02:10:26,092 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-22 02:10:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-22 02:10:26,134 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-22 02:10:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-22 02:10:26,208 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-22 02:10:26,306 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-22 02:10:26,306 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-22 02:10:26,307 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-02-22 02:10:26,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.02 02:10:26 BoogieIcfgContainer [2021-02-22 02:10:26,347 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-22 02:10:26,348 INFO L168 Benchmark]: Toolchain (without parser) took 119820.71 ms. Allocated memory was 151.0 MB in the beginning and 281.0 MB in the end (delta: 130.0 MB). Free memory was 106.6 MB in the beginning and 211.3 MB in the end (delta: -104.7 MB). Peak memory consumption was 164.5 MB. Max. memory is 8.0 GB. [2021-02-22 02:10:26,348 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 151.0 MB. Free memory is still 125.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 02:10:26,348 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.95 ms. Allocated memory is still 151.0 MB. Free memory was 105.4 MB in the beginning and 117.5 MB in the end (delta: -12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-02-22 02:10:26,348 INFO L168 Benchmark]: Boogie Preprocessor took 153.07 ms. Allocated memory is still 151.0 MB. Free memory was 117.5 MB in the beginning and 129.5 MB in the end (delta: -12.0 MB). Peak memory consumption was 2.7 MB. Max. memory is 8.0 GB. [2021-02-22 02:10:26,349 INFO L168 Benchmark]: RCFGBuilder took 1513.71 ms. Allocated memory was 151.0 MB in the beginning and 183.5 MB in the end (delta: 32.5 MB). Free memory was 129.2 MB in the beginning and 152.4 MB in the end (delta: -23.2 MB). Peak memory consumption was 69.2 MB. Max. memory is 8.0 GB. [2021-02-22 02:10:26,349 INFO L168 Benchmark]: TraceAbstraction took 117471.87 ms. Allocated memory was 183.5 MB in the beginning and 281.0 MB in the end (delta: 97.5 MB). Free memory was 151.8 MB in the beginning and 211.3 MB in the end (delta: -59.5 MB). Peak memory consumption was 176.5 MB. Max. memory is 8.0 GB. [2021-02-22 02:10:26,350 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 151.0 MB. Free memory is still 125.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 661.95 ms. Allocated memory is still 151.0 MB. Free memory was 105.4 MB in the beginning and 117.5 MB in the end (delta: -12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 153.07 ms. Allocated memory is still 151.0 MB. Free memory was 117.5 MB in the beginning and 129.5 MB in the end (delta: -12.0 MB). Peak memory consumption was 2.7 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1513.71 ms. Allocated memory was 151.0 MB in the beginning and 183.5 MB in the end (delta: 32.5 MB). Free memory was 129.2 MB in the beginning and 152.4 MB in the end (delta: -23.2 MB). Peak memory consumption was 69.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 117471.87 ms. Allocated memory was 183.5 MB in the beginning and 281.0 MB in the end (delta: 97.5 MB). Free memory was 151.8 MB in the beginning and 211.3 MB in the end (delta: -59.5 MB). Peak memory consumption was 176.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 590]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int a= 1; [L18] int e= 5; [L19] int d= 4; [L20] int f= 6; [L21] int c= 3; [L24] int u = 21; [L25] int v = 22; [L26] int w = 23; [L27] int x = 24; [L28] int y = 25; [L29] int z = 26; [L32] int a25 = 0; [L33] int a11 = 0; [L34] int a28 = 7; [L35] int a19 = 1; [L36] int a21 = 1; [L37] int a17 = 8; [L613] int output = -1; [L616] COND TRUE 1 [L619] int input; [L620] input = __VERIFIER_nondet_int() [L621] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L624] CALL, EXPR calculate_output(input) [L40] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L45] COND TRUE ((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1))) [L46] a28 = 10 [L47] return 22; [L624] RET, EXPR calculate_output(input) [L624] output = calculate_output(input) [L616] COND TRUE 1 [L619] int input; [L620] input = __VERIFIER_nondet_int() [L621] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L624] CALL, EXPR calculate_output(input) [L40] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L45] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) [L48] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) [L52] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) [L57] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) [L60] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) [L64] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) [L69] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) [L75] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) [L79] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) [L84] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) [L92] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) [L101] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) [L105] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) [L109] COND TRUE ((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1)) [L110] a17 = 7 [L111] a25 = 0 [L112] a11 = 1 [L113] a28 = 10 [L114] a19 = 0 [L115] return -1; [L624] RET, EXPR calculate_output(input) [L624] output = calculate_output(input) [L616] COND TRUE 1 [L619] int input; [L620] input = __VERIFIER_nondet_int() [L621] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L624] CALL calculate_output(input) [L40] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L45] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) [L48] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) [L52] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) [L57] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) [L60] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) [L64] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) [L69] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) [L75] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) [L79] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) [L84] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) [L92] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) [L101] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) [L105] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) [L109] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) [L116] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) [L123] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) [L129] COND FALSE !((((((a21==1)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) [L133] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) [L140] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) [L144] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) [L149] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) [L153] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) [L158] COND FALSE !(((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1))) [L164] COND FALSE !(((a21==1)&&(!(a19==1)&&((((input==5)&&(((a28==8)&&(a25==1))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7)))))&&!(a11==1))&&(a17==8))))) [L169] COND FALSE !((((a17==9)&&(((a28==8)&&(((input==1)&&(a19==1))&&!(a25==1)))&&(a11==1)))&&(a21==1))) [L175] COND FALSE !((((a21==1)&&((a19==1)&&((a28==7)&&((a17==8)&&(!(a25==1)&&(input==3))))))&&!(a11==1))) [L179] COND FALSE !(((a28==11)&&(((a17==8)&&((((input==6)&&(a21==1))&&(a19==1))&&!(a25==1)))&&!(a11==1)))) [L185] COND FALSE !(((!(a11==1)&&(((a17==8)&&((a21==1)&&((input==3)&&(a28==8))))&&(a19==1)))&&(a25==1))) [L189] COND FALSE !((((a21==1)&&(((a19==1)&&(((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))&&(input==4)))&&(a11==1)))&&(a17==9))) [L195] COND FALSE !((((!(a11==1)&&((a17==8)&&(((input==4)&&(a19==1))&&(a28==8))))&&(a21==1))&&(a25==1))) [L197] COND FALSE !(((a19==1)&&((((((input==4)&&(a21==1))&&(a28==9))&&!(a25==1))&&!(a11==1))&&(a17==8)))) [L199] COND FALSE !(((a17==8)&&((((((input==1)&&(a21==1))&&!(a11==1))&&(a19==1))&&!(a25==1))&&(a28==9)))) [L201] COND FALSE !((((((((input==4)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a21==1))&&(a17==8))&&(a28==10))&&(a19==1))) [L204] COND FALSE !(((!(a25==1)&&((a11==1)&&((a28==8)&&(((a17==9)&&(input==4))&&(a19==1)))))&&(a21==1))) [L208] COND FALSE !((!(a19==1)&&((a17==8)&&((a28==10)&&(((a25==1)&&(!(a11==1)&&(input==5)))&&(a21==1)))))) [L212] COND FALSE !((((((a21==1)&&((input==1)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))))&&(a17==8))&&!(a11==1))&&(a19==1))) [L222] COND FALSE !(((a21==1)&&((((a19==1)&&((a25==1)&&((a28==11)&&(input==6))))&&!(a11==1))&&(a17==8)))) [L225] COND FALSE !((!(a11==1)&&((a19==1)&&((a28==10)&&(((((a25==1)||!(a25==1))&&(input==5))&&(a17==8))&&(a21==1)))))) [L228] COND FALSE !((((((a17==9)&&((((a25==1)||!(a25==1))&&(input==6))&&(a11==1)))&&(a19==1))&&(a21==1))&&(a28==9))) [L233] COND FALSE !((((a17==8)&&(((((input==6)&&(a25==1))&&!(a19==1))&&!(a11==1))&&(a28==10)))&&(a21==1))) [L235] COND FALSE !(((!(a19==1)&&((a17==8)&&(!(a11==1)&&((input==1)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))))&&(a21==1))) [L242] COND FALSE !((((((((input==1)&&(a21==1))&&(a28==9))&&!(a19==1))&&!(a25==1))&&(a17==8))&&!(a11==1))) [L244] COND FALSE !(((a17==8)&&(((!(a11==1)&&((!(a25==1)&&(input==4))&&(a19==1)))&&(a28==7))&&(a21==1)))) [L247] COND FALSE !((!(a11==1)&&(((a17==8)&&((((!(a25==1)&&(a28==11))||((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1))))&&(input==3))&&(a21==1)))&&!(a19==1)))) [L258] COND FALSE !(((((!(a11==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==5)))&&(a21==1))&&!(a19==1))&&(a17==8))) [L263] COND FALSE !((((a17==9)&&(((((input==1)&&((a25==1)||!(a25==1)))&&(a11==1))&&(a21==1))&&(a19==1)))&&(a28==9))) [L269] COND FALSE !((!(a11==1)&&((a19==1)&&(((((a28==9)&&(input==6))&&(a21==1))&&(a17==8))&&!(a25==1))))) [L271] COND FALSE !(((a17==9)&&((a21==1)&&((a11==1)&&(((input==3)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a19==1)))))) [L286] COND FALSE !(((a28==7)&&((a17==8)&&(!(a25==1)&&((a21==1)&&((a19==1)&&((input==5)&&!(a11==1)))))))) [L290] COND FALSE !(((a28==8)&&((a21==1)&&((!(a11==1)&&(((input==1)&&(a17==8))&&(a19==1)))&&(a25==1))))) [L293] COND FALSE !((((((a17==8)&&(((input==6)&&((a25==1)||!(a25==1)))&&(a21==1)))&&(a28==10))&&!(a11==1))&&(a19==1))) [L296] COND FALSE !(((!(a11==1)&&((!(a19==1)&&(((!(a25==1)&&(a28==11))||(((a28==10)&&!(a25==1))||((a25==1)&&(a28==11))))&&(input==5)))&&(a17==8)))&&(a21==1))) [L301] COND FALSE !(((a17==8)&&(((a21==1)&&(!(a11==1)&&((a25==1)&&((a28==8)&&(input==6)))))&&(a19==1)))) [L303] COND FALSE !((((a19==1)&&((a17==8)&&(((!(a25==1)&&(input==5))&&(a21==1))&&!(a11==1))))&&(a28==11))) [L307] COND FALSE !(((a11==1)&&(((a17==9)&&((a28==9)&&((a19==1)&&(((a25==1)||!(a25==1))&&(input==5)))))&&(a21==1)))) [L319] COND FALSE !((((((((input==3)&&(a19==1))&&(a21==1))&&(a17==8))&&!(a25==1))&&(a28==11))&&!(a11==1))) [L324] COND FALSE !(((a19==1)&&((a21==1)&&((((input==5)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a11==1))&&(a17==9))))) [L338] COND FALSE !((((a19==1)&&(((!(a11==1)&&(((a25==1)||!(a25==1))&&(input==3)))&&(a28==10))&&(a21==1)))&&(a17==8))) [L341] COND FALSE !(((!(a11==1)&&(((((input==4)&&(a17==8))&&!(a25==1))&&(a21==1))&&(a28==11)))&&(a19==1))) [L347] COND FALSE !((((!(a19==1)&&(((input==4)&&(((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1)))||(!(a25==1)&&(a28==11))))&&(a21==1)))&&(a17==8))&&!(a11==1))) [L359] COND FALSE !((!(a11==1)&&(((a17==8)&&((((a25==1)&&(input==4))&&(a19==1))&&(a28==11)))&&(a21==1)))) [L364] COND FALSE !((((((a21==1)&&((((a28==8)&&!(a25==1))||((a28==9)&&(a25==1)))&&(input==6)))&&!(a11==1))&&!(a19==1))&&(a17==8))) [L371] COND FALSE !(((a19==1)&&((((a21==1)&&((!(a25==1)&&(input==3))&&(a17==9)))&&(a28==8))&&(a11==1)))) [L378] COND FALSE !(((a17==8)&&(((a21==1)&&(((input==5)&&((!(a25==1)&&(a28==8))||((a28==9)&&(a25==1))))&&(a19==1)))&&!(a11==1)))) [L385] COND FALSE !(((a19==1)&&(((((a17==8)&&((input==5)&&!(a11==1)))&&(a21==1))&&(a25==1))&&(a28==8)))) [L388] COND FALSE !((((!(a11==1)&&((((a21==1)&&(input==4))&&(a28==10))&&(a17==8)))&&!(a19==1))&&(a25==1))) [L390] COND FALSE !(((a28==8)&&(((a19==1)&&((a11==1)&&(!(a25==1)&&((a17==9)&&(input==6)))))&&(a21==1)))) [L399] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==6)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))&&(a17==8))&&!(a19==1)))) [L404] COND FALSE !((((((!(a25==1)&&((a19==1)&&(input==3)))&&(a28==9))&&(a21==1))&&(a17==8))&&!(a11==1))) [L408] COND FALSE !((((a17==8)&&((((input==4)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9))))&&(a21==1))&&!(a19==1)))&&!(a11==1))) [L412] COND FALSE !((((!(a11==1)&&((((a19==1)&&(input==5))&&(a17==8))&&(a21==1)))&&(a28==9))&&!(a25==1))) [L414] COND FALSE !((((a11==1)&&((a19==1)&&((a21==1)&&(((a17==9)&&(input==5))&&!(a25==1)))))&&(a28==8))) [L417] COND FALSE !((!(a11==1)&&((a21==1)&&(((a19==1)&&((a17==8)&&((a25==1)&&(input==5))))&&(a28==11))))) [L419] COND FALSE !(((a19==1)&&((a17==8)&&(((((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))&&!(a11==1))&&(a21==1))))) [L424] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==7))&&!(a19==1))&&(a21==1))&&(a17==8))) [L427] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==10))&&(a19==1))&&(a21==1))&&(a17==8))) [L430] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==8))) [L433] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==7))) [L436] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==9))&&(a19==1))&&(a21==1))&&(a17==8))) [L439] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==9))&&!(a19==1))&&(a21==1))&&(a17==7))) [L442] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==10))&&!(a19==1))&&(a21==1))&&(a17==7))) [L445] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==9))&&(a19==1))&&(a21==1))&&(a17==8))) [L448] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==8))) [L451] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==8))&&(a19==1))&&(a21==1))&&(a17==8))) [L454] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==11))&&!(a19==1))&&(a21==1))&&(a17==8))) [L457] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==7))) [L460] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==8))&&(a19==1))&&(a21==1))&&(a17==7))) [L463] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==10))&&!(a19==1))&&(a21==1))&&(a17==7))) [L466] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==11))&&(a19==1))&&(a21==1))&&(a17==7))) [L469] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==8))&&(a19==1))&&(a21==1))&&(a17==7))) [L472] COND FALSE !((((((!(a25==1)&&!(a11==1))&&(a28==8))&&(a19==1))&&(a21==1))&&(a17==7))) [L475] COND FALSE !((((((!(a25==1)&&!(a11==1))&&(a28==9))&&!(a19==1))&&(a21==1))&&(a17==7))) [L478] COND FALSE !((((((!(a25==1)&&!(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==7))) [L481] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==8))&&(a19==1))&&(a21==1))&&(a17==8))) [L484] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==9))&&!(a19==1))&&(a21==1))&&(a17==8))) [L487] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==7))&&!(a19==1))&&(a21==1))&&(a17==7))) [L490] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==11))&&!(a19==1))&&(a21==1))&&(a17==8))) [L493] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==8))&&!(a19==1))&&(a21==1))&&(a17==8))) [L496] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==10))&&!(a19==1))&&(a21==1))&&(a17==8))) [L499] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==9))&&(a19==1))&&(a21==1))&&(a17==7))) [L502] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==11))&&(a19==1))&&(a21==1))&&(a17==8))) [L505] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==8))&&!(a19==1))&&(a21==1))&&(a17==7))) [L508] COND FALSE !((((((!(a25==1)&&!(a11==1))&&(a28==8))&&!(a19==1))&&(a21==1))&&(a17==7))) [L511] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==8))&&!(a19==1))&&(a21==1))&&(a17==8))) [L514] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==8))) [L517] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==10))&&(a19==1))&&(a21==1))&&(a17==8))) [L520] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==8))&&(a19==1))&&(a21==1))&&(a17==7))) [L523] COND FALSE !((((((!(a25==1)&&!(a11==1))&&(a28==9))&&(a19==1))&&(a21==1))&&(a17==7))) [L526] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==7))) [L529] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==8))&&!(a19==1))&&(a21==1))&&(a17==7))) [L532] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==9))&&!(a19==1))&&(a21==1))&&(a17==7))) [L535] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==8))&&!(a19==1))&&(a21==1))&&(a17==7))) [L538] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==11))&&!(a19==1))&&(a21==1))&&(a17==7))) [L541] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==11))&&!(a19==1))&&(a21==1))&&(a17==7))) [L544] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==7))&&!(a19==1))&&(a21==1))&&(a17==7))) [L547] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==11))&&(a19==1))&&(a21==1))&&(a17==7))) [L550] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==10))&&!(a19==1))&&(a21==1))&&(a17==8))) [L553] COND FALSE !((((((!(a25==1)&&!(a11==1))&&(a28==11))&&(a19==1))&&(a21==1))&&(a17==7))) [L556] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==7))&&!(a19==1))&&(a21==1))&&(a17==8))) [L559] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==10))&&(a19==1))&&(a21==1))&&(a17==7))) [L562] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==11))&&!(a19==1))&&(a21==1))&&(a17==7))) [L565] COND FALSE !((((((!(a25==1)&&!(a11==1))&&(a28==7))&&!(a19==1))&&(a21==1))&&(a17==7))) [L568] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==9))&&(a19==1))&&(a21==1))&&(a17==7))) [L571] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==10))&&!(a19==1))&&(a21==1))&&(a17==7))) [L574] COND FALSE !((((((!(a25==1)&&!(a11==1))&&(a28==11))&&!(a19==1))&&(a21==1))&&(a17==7))) [L577] COND FALSE !((((((!(a25==1)&&!(a11==1))&&(a28==10))&&!(a19==1))&&(a21==1))&&(a17==7))) [L580] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==9))&&(a19==1))&&(a21==1))&&(a17==7))) [L583] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==10))&&(a19==1))&&(a21==1))&&(a17==7))) [L586] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==7))&&!(a19==1))&&(a21==1))&&(a17==7))) [L589] COND TRUE (((((!(a25==1)&&!(a11==1))&&(a28==10))&&(a19==1))&&(a21==1))&&(a17==7)) [L590] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 539 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 117.3s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 61.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1180 SDtfs, 11306 SDslu, 2027 SDs, 0 SdLazy, 13353 SolverSat, 2092 SolverUnsat, 19 SolverUnknown, 0 SolverNotchecked, 35.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 166 GetRequests, 24 SyntacticMatches, 3 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2756 ImplicationChecksByTransitivity, 71.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2161occurred 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: 1.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 601 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...