/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_label11.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 02:06:09,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 02:06:09,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 02:06:10,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-22 02:06:10,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 02:06:10,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 02:06:10,040 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 02:06:10,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 02:06:10,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 02:06:10,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 02:06:10,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 02:06:10,063 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 02:06:10,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 02:06:10,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 02:06:10,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 02:06:10,072 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 02:06:10,078 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-22 02:06:10,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 02:06:10,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 02:06:10,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 02:06:10,098 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 02:06:10,119 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 02:06:10,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 02:06:10,124 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 02:06:10,124 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 02:06:10,124 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 02:06:10,125 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 02:06:10,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 02:06:10,125 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 02:06:10,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 02:06:10,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 02:06:10,126 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 02:06:10,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 02:06:10,127 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 02:06:10,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 02:06:10,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 02:06:10,128 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 02:06:10,128 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 02:06:10,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 02:06:10,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 02:06:10,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 02:06:10,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 02:06:10,129 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 02:06:10,129 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 02:06:10,129 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 02:06:10,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 02:06:10,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 02:06:10,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 02:06:10,533 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 02:06:10,534 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 02:06:10,535 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label11.c [2021-02-22 02:06:10,617 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bab154c8a/fee72a8736c74731b803abee41476b2a/FLAG80d7b7237 [2021-02-22 02:06:11,343 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 02:06:11,343 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label11.c [2021-02-22 02:06:11,359 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bab154c8a/fee72a8736c74731b803abee41476b2a/FLAG80d7b7237 [2021-02-22 02:06:11,563 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bab154c8a/fee72a8736c74731b803abee41476b2a [2021-02-22 02:06:11,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 02:06:11,580 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 02:06:11,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 02:06:11,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 02:06:11,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 02:06:11,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:06:11" (1/1) ... [2021-02-22 02:06:11,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17953bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:06:11, skipping insertion in model container [2021-02-22 02:06:11,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:06:11" (1/1) ... [2021-02-22 02:06:11,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 02:06:11,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 02:06:12,063 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_label11.c[17696,17709] [2021-02-22 02:06:12,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:06:12,103 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 02:06:12,193 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_label11.c[17696,17709] [2021-02-22 02:06:12,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:06:12,255 INFO L208 MainTranslator]: Completed translation [2021-02-22 02:06:12,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:06:12 WrapperNode [2021-02-22 02:06:12,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 02:06:12,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 02:06:12,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 02:06:12,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 02:06:12,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:06:12" (1/1) ... [2021-02-22 02:06:12,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:06:12" (1/1) ... [2021-02-22 02:06:12,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:06:12" (1/1) ... [2021-02-22 02:06:12,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:06:12" (1/1) ... [2021-02-22 02:06:12,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:06:12" (1/1) ... [2021-02-22 02:06:12,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:06:12" (1/1) ... [2021-02-22 02:06:12,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:06:12" (1/1) ... [2021-02-22 02:06:12,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 02:06:12,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 02:06:12,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 02:06:12,473 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 02:06:12,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:06:12" (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 02:06:12,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 02:06:12,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 02:06:12,593 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 02:06:12,593 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2021-02-22 02:06:12,593 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 02:06:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2021-02-22 02:06:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 02:06:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 02:06:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 02:06:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 02:06:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 02:06:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-22 02:06:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 02:06:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 02:06:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 02:06:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 02:06:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 02:06:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 02:06:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 02:06:13,826 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 02:06:13,827 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-22 02:06:13,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:06:13 BoogieIcfgContainer [2021-02-22 02:06:13,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 02:06:13,831 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 02:06:13,831 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 02:06:13,835 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 02:06:13,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 02:06:11" (1/3) ... [2021-02-22 02:06:13,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa89091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:06:13, skipping insertion in model container [2021-02-22 02:06:13,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:06:12" (2/3) ... [2021-02-22 02:06:13,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa89091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:06:13, skipping insertion in model container [2021-02-22 02:06:13,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:06:13" (3/3) ... [2021-02-22 02:06:13,839 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label11.c [2021-02-22 02:06:13,846 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 02:06:13,851 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 02:06:13,870 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 02:06:13,894 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 02:06:13,894 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 02:06:13,894 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 02:06:13,895 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 02:06:13,895 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 02:06:13,895 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 02:06:13,895 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 02:06:13,895 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 02:06:13,946 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states. [2021-02-22 02:06:13,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-02-22 02:06:13,988 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:06:13,989 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] [2021-02-22 02:06:13,989 INFO L428 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:06:13,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:06:13,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1106085937, now seen corresponding path program 1 times [2021-02-22 02:06:14,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:06:14,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [493806669] [2021-02-22 02:06:14,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:06:14,079 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:06:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:06:14,503 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-22 02:06:14,504 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-22 02:06:14,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:14,514 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:06:14,515 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:14,516 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:06:14,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:14,518 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:06:14,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:06:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:06:14,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:14,625 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:06:14,626 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:14,627 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:06:14,690 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 02:06:14,691 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [493806669] [2021-02-22 02:06:14,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:06:14,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-22 02:06:14,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472633292] [2021-02-22 02:06:14,699 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-22 02:06:14,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:06:14,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-22 02:06:14,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-22 02:06:14,716 INFO L87 Difference]: Start difference. First operand 536 states. Second operand 5 states. [2021-02-22 02:06:17,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:06:17,183 INFO L93 Difference]: Finished difference Result 1214 states and 1660 transitions. [2021-02-22 02:06:17,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-22 02:06:17,186 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2021-02-22 02:06:17,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:06:17,206 INFO L225 Difference]: With dead ends: 1214 [2021-02-22 02:06:17,206 INFO L226 Difference]: Without dead ends: 635 [2021-02-22 02:06:17,215 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 02:06:17,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2021-02-22 02:06:17,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 621. [2021-02-22 02:06:17,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2021-02-22 02:06:17,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 782 transitions. [2021-02-22 02:06:17,412 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 782 transitions. Word has length 142 [2021-02-22 02:06:17,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:06:17,413 INFO L480 AbstractCegarLoop]: Abstraction has 621 states and 782 transitions. [2021-02-22 02:06:17,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-22 02:06:17,413 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 782 transitions. [2021-02-22 02:06:17,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-02-22 02:06:17,419 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:06:17,419 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] [2021-02-22 02:06:17,419 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 02:06:17,420 INFO L428 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:06:17,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:06:17,421 INFO L82 PathProgramCache]: Analyzing trace with hash -457998907, now seen corresponding path program 1 times [2021-02-22 02:06:17,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:06:17,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1467671238] [2021-02-22 02:06:17,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:06:17,466 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-22 02:06:17,485 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-22 02:06:17,509 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-22 02:06:17,516 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-22 02:06:17,549 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:06:17,564 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:06:17,571 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-22 02:06:17,575 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:06:17,580 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:17,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:06:17,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:17,587 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:06:17,590 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-22 02:06:17,594 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-22 02:06:17,599 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-22 02:06:17,602 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-22 02:06:17,608 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-22 02:06:17,636 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:06:17,639 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:06:17,644 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-22 02:06:17,646 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:06:17,647 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:17,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:06:17,649 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:17,652 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:06:17,653 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-22 02:06:17,656 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-22 02:06:17,661 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-22 02:06:17,663 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-22 02:06:17,668 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-22 02:06:17,696 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:06:17,699 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:06:17,704 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-22 02:06:17,706 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:06:17,707 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:17,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:06:17,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:17,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:06:17,713 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-22 02:06:17,715 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-22 02:06:17,720 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-22 02:06:17,722 WARN L141 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-02-22 02:06:17,727 WARN L147 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size 52 [2021-02-22 02:06:17,759 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:06:17,761 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:06:17,765 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-22 02:06:17,767 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:06:17,770 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:17,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:06:17,773 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:17,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:06:17,777 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-22 02:06:17,777 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-22 02:06:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:06:17,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:17,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:06:17,998 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:17,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:06:17,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:18,000 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:06:18,000 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:18,001 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:06:18,001 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:18,002 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:06:18,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:18,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:06:18,003 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:18,004 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:06:18,005 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:18,005 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:06:18,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:06:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:06:18,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:18,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:06:18,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:18,097 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:06:18,136 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 02:06:18,139 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:18,141 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-22 02:06:18,143 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:18,145 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-22 02:06:18,146 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:18,148 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-22 02:06:18,156 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:18,156 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:06:18,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:18,157 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:06:18,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:18,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-22 02:06:18,171 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:18,171 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 02:06:18,186 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:18,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 02:06:18,201 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:18,202 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-22 02:06:18,265 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:18,267 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-02-22 02:06:18,298 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:18,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-22 02:06:18,322 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:18,323 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 02:06:18,350 WARN L141 QuantifierPusher]: treesize reduction 3, result has 95.1 percent of original size [2021-02-22 02:06:18,352 WARN L147 QuantifierPusher]: treesize reduction 3, result has 95.1 percent of original size 58 [2021-02-22 02:06:18,403 WARN L141 QuantifierPusher]: treesize reduction 3, result has 96.5 percent of original size [2021-02-22 02:06:18,405 WARN L147 QuantifierPusher]: treesize reduction 3, result has 96.5 percent of original size 82 [2021-02-22 02:06:18,472 WARN L141 QuantifierPusher]: treesize reduction 25, result has 76.6 percent of original size [2021-02-22 02:06:18,474 WARN L147 QuantifierPusher]: treesize reduction 25, result has 76.6 percent of original size 82 [2021-02-22 02:06:18,476 WARN L141 QuantifierPusher]: treesize reduction 3, result has 97.2 percent of original size [2021-02-22 02:06:18,479 WARN L147 QuantifierPusher]: treesize reduction 3, result has 97.2 percent of original size 105 [2021-02-22 02:06:18,560 WARN L141 QuantifierPusher]: treesize reduction 3, result has 97.7 percent of original size [2021-02-22 02:06:18,562 WARN L147 QuantifierPusher]: treesize reduction 3, result has 97.7 percent of original size 126 [2021-02-22 02:06:18,657 WARN L141 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-02-22 02:06:18,661 WARN L147 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size 150 [2021-02-22 02:06:18,782 WARN L141 QuantifierPusher]: treesize reduction 3, result has 98.5 percent of original size [2021-02-22 02:06:18,785 WARN L147 QuantifierPusher]: treesize reduction 3, result has 98.5 percent of original size 193 [2021-02-22 02:06:19,027 WARN L202 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2021-02-22 02:06:19,033 WARN L141 QuantifierPusher]: treesize reduction 213, result has 0.5 percent of original size [2021-02-22 02:06:19,034 WARN L147 QuantifierPusher]: treesize reduction 213, result has 0.5 percent of original size 1 [2021-02-22 02:06:19,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:19,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:06:19,036 WARN L141 QuantifierPusher]: treesize reduction 22, result has 4.3 percent of original size [2021-02-22 02:06:19,037 WARN L147 QuantifierPusher]: treesize reduction 22, result has 4.3 percent of original size 1 [2021-02-22 02:06:19,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1467671238] [2021-02-22 02:06:19,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:06:19,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-02-22 02:06:19,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014030205] [2021-02-22 02:06:19,039 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-02-22 02:06:19,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:06:19,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-02-22 02:06:19,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2021-02-22 02:06:19,041 INFO L87 Difference]: Start difference. First operand 621 states and 782 transitions. Second operand 16 states. [2021-02-22 02:06:19,911 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-02-22 02:06:20,070 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-02-22 02:06:20,260 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-02-22 02:06:20,494 WARN L202 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2021-02-22 02:06:20,771 WARN L202 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2021-02-22 02:06:21,046 WARN L202 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2021-02-22 02:06:23,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:06:23,795 INFO L93 Difference]: Finished difference Result 1707 states and 2212 transitions. [2021-02-22 02:06:23,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-22 02:06:23,796 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 168 [2021-02-22 02:06:23,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:06:23,808 INFO L225 Difference]: With dead ends: 1707 [2021-02-22 02:06:23,808 INFO L226 Difference]: Without dead ends: 1116 [2021-02-22 02:06:23,814 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=222, Invalid=648, Unknown=0, NotChecked=0, Total=870 [2021-02-22 02:06:23,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2021-02-22 02:06:24,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 886. [2021-02-22 02:06:24,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states. [2021-02-22 02:06:24,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1114 transitions. [2021-02-22 02:06:24,057 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1114 transitions. Word has length 168 [2021-02-22 02:06:24,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:06:24,058 INFO L480 AbstractCegarLoop]: Abstraction has 886 states and 1114 transitions. [2021-02-22 02:06:24,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2021-02-22 02:06:24,058 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1114 transitions. [2021-02-22 02:06:24,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-02-22 02:06:24,063 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:06:24,063 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] [2021-02-22 02:06:24,064 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-22 02:06:24,064 INFO L428 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:06:24,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:06:24,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1073795865, now seen corresponding path program 1 times [2021-02-22 02:06:24,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:06:24,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [67767358] [2021-02-22 02:06:24,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:06:24,107 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:06:24,111 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:06:24,114 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:06:24,115 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:06:24,119 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:06:24,126 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:06:24,129 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:06:24,130 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:06:24,132 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:06:24,132 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:06:24,135 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:06:24,136 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:06:24,138 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:06:24,141 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:06:24,143 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:06:24,144 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:06:24,146 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:06:24,147 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:06:24,149 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:06:24,149 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:06:24,151 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:06:24,153 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:06:24,158 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:06:24,158 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:06:24,161 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:06:24,161 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:06:24,163 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:06:24,163 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:06:24,166 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:06:24,168 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:06:24,170 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:06:24,171 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:06:24,176 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:06:24,176 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:06:24,178 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:06:24,179 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:06:24,181 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:06:24,182 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:06:24,183 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:06:24,184 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:06:24,185 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:06:24,185 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:06:24,187 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:06:24,190 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:06:24,193 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:06:24,195 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:06:24,197 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:06:24,197 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:06:24,200 WARN L141 QuantifierPusher]: treesize reduction 11, result has 83.1 percent of original size [2021-02-22 02:06:24,206 WARN L147 QuantifierPusher]: treesize reduction 11, result has 83.1 percent of original size 54 [2021-02-22 02:06:24,208 WARN L141 QuantifierPusher]: treesize reduction 11, result has 83.1 percent of original size [2021-02-22 02:06:24,213 WARN L147 QuantifierPusher]: treesize reduction 11, result has 83.1 percent of original size 54 [2021-02-22 02:06:24,254 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:06:24,256 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:06:24,259 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-22 02:06:24,260 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:06:24,261 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:24,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:06:24,262 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:24,265 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:06:24,266 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-22 02:06:24,268 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:06:24,268 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:06:24,271 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:06:24,271 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:06:24,274 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:06:24,275 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:06:24,277 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:06:24,278 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:06:24,280 WARN L141 QuantifierPusher]: treesize reduction 11, result has 83.1 percent of original size [2021-02-22 02:06:24,285 WARN L147 QuantifierPusher]: treesize reduction 11, result has 83.1 percent of original size 54 [2021-02-22 02:06:24,287 WARN L141 QuantifierPusher]: treesize reduction 11, result has 83.1 percent of original size [2021-02-22 02:06:24,296 WARN L147 QuantifierPusher]: treesize reduction 11, result has 83.1 percent of original size 54 [2021-02-22 02:06:24,326 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:06:24,329 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:06:24,334 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-22 02:06:24,336 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:06:24,338 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:24,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:06:24,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:06:24,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:06:24,342 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-22 02:06:24,344 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:06:24,344 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:06:24,346 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:06:24,346 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:06:24,348 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:06:24,352 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:06:24,353 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:06:24,354 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:06:24,358 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:06:24,358 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:06:24,368 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:06:24,368 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:06:24,370 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:06:24,371 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:06:24,373 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:06:24,373 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:06:24,374 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:06:24,374 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:06:24,379 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:06:24,380 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:06:24,382 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:06:24,385 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:06:24,387 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:06:24,387 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:06:24,388 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:06:24,388 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:06:24,391 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:06:24,391 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:06:24,396 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:06:24,399 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:06:24,400 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:06:24,401 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:06:24,402 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:06:24,402 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:06:24,405 WARN L141 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size [2021-02-22 02:06:24,405 WARN L147 QuantifierPusher]: treesize reduction 64, result has 1.5 percent of original size 1 [2021-02-22 02:06:24,407 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:06:24,409 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:06:24,411 WARN L141 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size [2021-02-22 02:06:24,412 WARN L147 QuantifierPusher]: treesize reduction 39, result has 7.1 percent of original size 3 [2021-02-22 02:06:24,412 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-22 02:06:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-22 02:06:24,488 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-22 02:06:24,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-22 02:06:24,546 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-22 02:06:24,652 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-22 02:06:24,654 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-22 02:06:24,656 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-22 02:06:24,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.02 02:06:24 BoogieIcfgContainer [2021-02-22 02:06:24,702 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-22 02:06:24,706 INFO L168 Benchmark]: Toolchain (without parser) took 13133.36 ms. Allocated memory was 151.0 MB in the beginning and 319.8 MB in the end (delta: 168.8 MB). Free memory was 125.2 MB in the beginning and 239.7 MB in the end (delta: -114.6 MB). Peak memory consumption was 54.4 MB. Max. memory is 8.0 GB. [2021-02-22 02:06:24,708 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 151.0 MB. Free memory is still 124.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 02:06:24,708 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.58 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 98.3 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2021-02-22 02:06:24,709 INFO L168 Benchmark]: Boogie Preprocessor took 214.30 ms. Allocated memory is still 151.0 MB. Free memory was 98.3 MB in the beginning and 129.5 MB in the end (delta: -31.2 MB). Peak memory consumption was 5.8 MB. Max. memory is 8.0 GB. [2021-02-22 02:06:24,709 INFO L168 Benchmark]: RCFGBuilder took 1357.55 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 129.0 MB in the beginning and 92.5 MB in the end (delta: 36.5 MB). Peak memory consumption was 68.4 MB. Max. memory is 8.0 GB. [2021-02-22 02:06:24,710 INFO L168 Benchmark]: TraceAbstraction took 10871.19 ms. Allocated memory was 181.4 MB in the beginning and 319.8 MB in the end (delta: 138.4 MB). Free memory was 92.0 MB in the beginning and 239.7 MB in the end (delta: -147.7 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 02:06:24,711 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 124.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 673.58 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 98.3 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 214.30 ms. Allocated memory is still 151.0 MB. Free memory was 98.3 MB in the beginning and 129.5 MB in the end (delta: -31.2 MB). Peak memory consumption was 5.8 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1357.55 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 129.0 MB in the beginning and 92.5 MB in the end (delta: 36.5 MB). Peak memory consumption was 68.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 10871.19 ms. Allocated memory was 181.4 MB in the beginning and 319.8 MB in the end (delta: 138.4 MB). Free memory was 92.0 MB in the beginning and 239.7 MB in the end (delta: -147.7 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 506]: 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 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 TRUE ((((((a25==1)&&(a11==1))&&(a28==8))&&!(a19==1))&&(a21==1))&&(a17==7)) [L506] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 539 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 10.7s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 662 SDtfs, 4167 SDslu, 541 SDs, 0 SdLazy, 2394 SolverSat, 422 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=886occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 2 MinimizatonAttempts, 244 StatesRemovedByMinimization, 2 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...