/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_label16.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 02:06:45,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 02:06:45,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 02:06:45,793 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-22 02:06:45,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 02:06:45,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 02:06:45,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 02:06:45,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 02:06:45,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 02:06:45,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 02:06:45,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 02:06:45,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 02:06:45,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 02:06:45,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 02:06:45,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 02:06:45,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 02:06:45,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-22 02:06:45,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 02:06:45,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 02:06:45,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 02:06:45,864 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-22 02:06:45,878 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 02:06:45,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 02:06:45,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 02:06:45,880 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 02:06:45,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 02:06:45,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 02:06:45,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 02:06:45,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 02:06:45,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 02:06:45,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 02:06:45,882 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 02:06:45,882 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 02:06:45,882 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 02:06:45,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 02:06:45,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 02:06:45,883 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 02:06:45,883 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 02:06:45,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 02:06:45,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 02:06:45,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 02:06:45,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 02:06:45,884 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 02:06:45,885 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 02:06:45,885 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 02:06:46,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 02:06:46,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 02:06:46,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 02:06:46,304 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 02:06:46,305 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 02:06:46,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label16.c [2021-02-22 02:06:46,409 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0305fdbd9/8d5b315afd4643769ebf243e54fb4b23/FLAG29d33929d [2021-02-22 02:06:47,222 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 02:06:47,224 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label16.c [2021-02-22 02:06:47,240 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0305fdbd9/8d5b315afd4643769ebf243e54fb4b23/FLAG29d33929d [2021-02-22 02:06:47,427 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0305fdbd9/8d5b315afd4643769ebf243e54fb4b23 [2021-02-22 02:06:47,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 02:06:47,448 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 02:06:47,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 02:06:47,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 02:06:47,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 02:06:47,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:06:47" (1/1) ... [2021-02-22 02:06:47,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e3414d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:06:47, skipping insertion in model container [2021-02-22 02:06:47,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:06:47" (1/1) ... [2021-02-22 02:06:47,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 02:06:47,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 02:06:47,966 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_label16.c[15312,15325] [2021-02-22 02:06:48,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:06:48,024 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 02:06:48,135 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_label16.c[15312,15325] [2021-02-22 02:06:48,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:06:48,196 INFO L208 MainTranslator]: Completed translation [2021-02-22 02:06:48,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:06:48 WrapperNode [2021-02-22 02:06:48,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 02:06:48,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 02:06:48,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 02:06:48,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 02:06:48,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:06:48" (1/1) ... [2021-02-22 02:06:48,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:06:48" (1/1) ... [2021-02-22 02:06:48,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:06:48" (1/1) ... [2021-02-22 02:06:48,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:06:48" (1/1) ... [2021-02-22 02:06:48,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:06:48" (1/1) ... [2021-02-22 02:06:48,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:06:48" (1/1) ... [2021-02-22 02:06:48,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:06:48" (1/1) ... [2021-02-22 02:06:48,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 02:06:48,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 02:06:48,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 02:06:48,344 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 02:06:48,345 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:06:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 02:06:48,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 02:06:48,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 02:06:48,465 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 02:06:48,465 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2021-02-22 02:06:48,466 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 02:06:48,466 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2021-02-22 02:06:48,466 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 02:06:48,466 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 02:06:48,466 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 02:06:48,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 02:06:48,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 02:06:48,467 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-22 02:06:48,467 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 02:06:48,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 02:06:48,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 02:06:48,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 02:06:48,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 02:06:48,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 02:06:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 02:06:49,966 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 02:06:49,967 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-22 02:06:49,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:06:49 BoogieIcfgContainer [2021-02-22 02:06:49,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 02:06:49,972 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 02:06:49,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 02:06:49,976 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 02:06:49,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 02:06:47" (1/3) ... [2021-02-22 02:06:49,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69b2d93e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:06:49, skipping insertion in model container [2021-02-22 02:06:49,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:06:48" (2/3) ... [2021-02-22 02:06:49,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69b2d93e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:06:49, skipping insertion in model container [2021-02-22 02:06:49,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:06:49" (3/3) ... [2021-02-22 02:06:49,980 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label16.c [2021-02-22 02:06:49,987 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 02:06:49,993 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 02:06:50,015 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 02:06:50,043 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 02:06:50,043 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 02:06:50,044 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 02:06:50,044 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 02:06:50,044 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 02:06:50,044 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 02:06:50,044 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 02:06:50,045 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 02:06:50,100 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states. [2021-02-22 02:06:50,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-02-22 02:06:50,124 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:06:50,125 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] [2021-02-22 02:06:50,125 INFO L428 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:06:50,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:06:50,132 INFO L82 PathProgramCache]: Analyzing trace with hash -1280091089, now seen corresponding path program 1 times [2021-02-22 02:06:50,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:06:50,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1414979839] [2021-02-22 02:06:50,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:06:50,227 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:06:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:06:50,649 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:50,651 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:06:50,663 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:50,664 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:06:50,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:50,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:06:50,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:50,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:06:50,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:06:50,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:06:50,809 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:50,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:06:50,811 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:50,811 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 02:06:50,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:06:50,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1414979839] [2021-02-22 02:06:50,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:06:50,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-22 02:06:50,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238976447] [2021-02-22 02:06:50,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-22 02:06:50,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:06:50,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-22 02:06:50,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-22 02:06:50,879 INFO L87 Difference]: Start difference. First operand 536 states. Second operand 4 states. [2021-02-22 02:06:53,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:06:53,405 INFO L93 Difference]: Finished difference Result 1215 states and 1661 transitions. [2021-02-22 02:06:53,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-22 02:06:53,407 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2021-02-22 02:06:53,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:06:53,429 INFO L225 Difference]: With dead ends: 1215 [2021-02-22 02:06:53,430 INFO L226 Difference]: Without dead ends: 636 [2021-02-22 02:06:53,444 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-22 02:06:53,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2021-02-22 02:06:53,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 623. [2021-02-22 02:06:53,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2021-02-22 02:06:53,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 759 transitions. [2021-02-22 02:06:53,765 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 759 transitions. Word has length 121 [2021-02-22 02:06:53,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:06:53,767 INFO L480 AbstractCegarLoop]: Abstraction has 623 states and 759 transitions. [2021-02-22 02:06:53,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-22 02:06:53,767 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 759 transitions. [2021-02-22 02:06:53,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-02-22 02:06:53,785 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:06:53,785 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] [2021-02-22 02:06:53,786 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 02:06:53,787 INFO L428 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:06:53,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:06:53,788 INFO L82 PathProgramCache]: Analyzing trace with hash 2122805689, now seen corresponding path program 1 times [2021-02-22 02:06:53,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:06:53,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [969820343] [2021-02-22 02:06:53,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:06:53,873 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:06:53,898 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:06:53,911 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:06:53,918 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:06:53,954 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:06:53,967 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:06:53,974 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-22 02:06:53,979 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:06:53,984 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:53,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:06:53,987 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:53,991 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:06:53,995 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-22 02:06:53,999 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:06:54,005 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:06:54,009 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-22 02:06:54,015 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-22 02:06:54,046 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:06:54,050 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:06:54,055 WARN L141 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-02-22 02:06:54,057 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:06:54,059 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:54,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:06:54,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:54,064 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:06:54,066 WARN L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-02-22 02:06:54,066 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-22 02:06:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-22 02:06:54,146 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-22 02:06:54,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-22 02:06:54,232 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-22 02:06:54,308 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-22 02:06:54,309 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-22 02:06:54,310 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-22 02:06:54,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.02 02:06:54 BoogieIcfgContainer [2021-02-22 02:06:54,339 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-22 02:06:54,340 INFO L168 Benchmark]: Toolchain (without parser) took 6905.34 ms. Allocated memory was 157.3 MB in the beginning and 242.2 MB in the end (delta: 84.9 MB). Free memory was 131.5 MB in the beginning and 118.8 MB in the end (delta: 12.8 MB). Peak memory consumption was 98.9 MB. Max. memory is 8.0 GB. [2021-02-22 02:06:54,341 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 157.3 MB. Free memory is still 131.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 02:06:54,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 744.88 ms. Allocated memory is still 157.3 MB. Free memory was 130.4 MB in the beginning and 135.4 MB in the end (delta: -5.0 MB). Peak memory consumption was 28.8 MB. Max. memory is 8.0 GB. [2021-02-22 02:06:54,343 INFO L168 Benchmark]: Boogie Preprocessor took 144.69 ms. Allocated memory is still 157.3 MB. Free memory was 135.4 MB in the beginning and 130.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-22 02:06:54,344 INFO L168 Benchmark]: RCFGBuilder took 1626.47 ms. Allocated memory is still 157.3 MB. Free memory was 130.7 MB in the beginning and 68.0 MB in the end (delta: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 8.0 GB. [2021-02-22 02:06:54,344 INFO L168 Benchmark]: TraceAbstraction took 4367.18 ms. Allocated memory was 157.3 MB in the beginning and 242.2 MB in the end (delta: 84.9 MB). Free memory was 67.5 MB in the beginning and 118.8 MB in the end (delta: -51.3 MB). Peak memory consumption was 33.7 MB. Max. memory is 8.0 GB. [2021-02-22 02:06:54,348 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 157.3 MB. Free memory is still 131.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 744.88 ms. Allocated memory is still 157.3 MB. Free memory was 130.4 MB in the beginning and 135.4 MB in the end (delta: -5.0 MB). Peak memory consumption was 28.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 144.69 ms. Allocated memory is still 157.3 MB. Free memory was 135.4 MB in the beginning and 130.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1626.47 ms. Allocated memory is still 157.3 MB. Free memory was 130.7 MB in the beginning and 68.0 MB in the end (delta: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4367.18 ms. Allocated memory was 157.3 MB in the beginning and 242.2 MB in the end (delta: 84.9 MB). Free memory was 67.5 MB in the beginning and 118.8 MB in the end (delta: -51.3 MB). Peak memory consumption was 33.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 443]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int a= 1; [L18] int e= 5; [L19] int d= 4; [L20] int f= 6; [L21] int c= 3; [L24] int u = 21; [L25] int v = 22; [L26] int w = 23; [L27] int x = 24; [L28] int y = 25; [L29] int z = 26; [L32] int a25 = 0; [L33] int a11 = 0; [L34] int a28 = 7; [L35] int a19 = 1; [L36] int a21 = 1; [L37] int a17 = 8; [L613] int output = -1; [L616] COND TRUE 1 [L619] int input; [L620] input = __VERIFIER_nondet_int() [L621] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L624] CALL, EXPR calculate_output(input) [L40] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L45] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) [L48] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) [L52] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) [L57] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) [L60] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) [L64] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) [L69] COND 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 TRUE (((((!(a25==1)&&(a11==1))&&(a28==10))&&!(a19==1))&&(a21==1))&&(a17==7)) [L443] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 539 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.2s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 332 SDtfs, 873 SDslu, 100 SDs, 0 SdLazy, 844 SolverSat, 160 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=623occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 1 MinimizatonAttempts, 13 StatesRemovedByMinimization, 1 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...