/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/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label49.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 01:03:39,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 01:03:39,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 01:03:39,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-07 01:03:39,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 01:03:39,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 01:03:39,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 01:03:39,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 01:03:39,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 01:03:39,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 01:03:39,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 01:03:39,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 01:03:39,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 01:03:39,415 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 01:03:39,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 01:03:39,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 01:03:39,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-07 01:03:39,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 01:03:39,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 01:03:39,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 01:03:39,440 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 01:03:39,453 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 01:03:39,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 01:03:39,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 01:03:39,455 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 01:03:39,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 01:03:39,456 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 01:03:39,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 01:03:39,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 01:03:39,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 01:03:39,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 01:03:39,457 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 01:03:39,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 01:03:39,458 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 01:03:39,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 01:03:39,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 01:03:39,459 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 01:03:39,459 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 01:03:39,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 01:03:39,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 01:03:39,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 01:03:39,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 01:03:39,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 01:03:39,461 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-07 01:03:39,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 01:03:39,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 01:03:39,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 01:03:39,870 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 01:03:39,872 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 01:03:39,873 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label49.c [2020-11-07 01:03:39,954 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41f44b8ab/9141549580ab4ab883a7c13b43e668ca/FLAG7e6132c0d [2020-11-07 01:03:40,599 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 01:03:40,603 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label49.c [2020-11-07 01:03:40,633 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41f44b8ab/9141549580ab4ab883a7c13b43e668ca/FLAG7e6132c0d [2020-11-07 01:03:40,872 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41f44b8ab/9141549580ab4ab883a7c13b43e668ca [2020-11-07 01:03:40,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 01:03:40,884 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 01:03:40,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 01:03:40,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 01:03:40,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 01:03:40,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:03:40" (1/1) ... [2020-11-07 01:03:40,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23cead34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:40, skipping insertion in model container [2020-11-07 01:03:40,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:03:40" (1/1) ... [2020-11-07 01:03:40,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 01:03:40,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 01:03:41,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 01:03:41,424 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 01:03:41,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 01:03:41,563 INFO L208 MainTranslator]: Completed translation [2020-11-07 01:03:41,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:41 WrapperNode [2020-11-07 01:03:41,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 01:03:41,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 01:03:41,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 01:03:41,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 01:03:41,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:41" (1/1) ... [2020-11-07 01:03:41,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:41" (1/1) ... [2020-11-07 01:03:41,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:41" (1/1) ... [2020-11-07 01:03:41,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:41" (1/1) ... [2020-11-07 01:03:41,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:41" (1/1) ... [2020-11-07 01:03:41,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:41" (1/1) ... [2020-11-07 01:03:41,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:41" (1/1) ... [2020-11-07 01:03:41,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 01:03:41,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 01:03:41,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 01:03:41,744 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 01:03:41,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:41" (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 [2020-11-07 01:03:41,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 01:03:41,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 01:03:41,834 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 01:03:41,835 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-07 01:03:41,835 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 01:03:41,835 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-07 01:03:41,835 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 01:03:41,835 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 01:03:41,836 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 01:03:41,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 01:03:41,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 01:03:41,836 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-07 01:03:41,837 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 01:03:41,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 01:03:41,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 01:03:41,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 01:03:41,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 01:03:41,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 01:03:41,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 01:03:43,272 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 01:03:43,273 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-07 01:03:43,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:03:43 BoogieIcfgContainer [2020-11-07 01:03:43,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 01:03:43,278 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 01:03:43,278 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 01:03:43,282 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 01:03:43,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:03:40" (1/3) ... [2020-11-07 01:03:43,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3620185f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:03:43, skipping insertion in model container [2020-11-07 01:03:43,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:41" (2/3) ... [2020-11-07 01:03:43,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3620185f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:03:43, skipping insertion in model container [2020-11-07 01:03:43,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:03:43" (3/3) ... [2020-11-07 01:03:43,286 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label49.c [2020-11-07 01:03:43,302 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 01:03:43,307 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-07 01:03:43,320 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-07 01:03:43,346 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 01:03:43,346 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 01:03:43,346 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-11-07 01:03:43,346 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 01:03:43,347 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 01:03:43,347 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 01:03:43,347 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 01:03:43,347 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 01:03:43,377 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states. [2020-11-07 01:03:43,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-11-07 01:03:43,402 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 01:03:43,403 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 01:03:43,404 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 01:03:43,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 01:03:43,410 INFO L82 PathProgramCache]: Analyzing trace with hash 741127792, now seen corresponding path program 1 times [2020-11-07 01:03:43,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 01:03:43,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1401601412] [2020-11-07 01:03:43,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 01:03:43,495 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-07 01:03:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 01:03:44,132 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-11-07 01:03:44,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 01:03:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 01:03:44,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 01:03:44,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1401601412] [2020-11-07 01:03:44,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 01:03:44,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-07 01:03:44,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933294747] [2020-11-07 01:03:44,280 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 01:03:44,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 01:03:44,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 01:03:44,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-07 01:03:44,300 INFO L87 Difference]: Start difference. First operand 537 states. Second operand 5 states. [2020-11-07 01:03:48,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 01:03:48,027 INFO L93 Difference]: Finished difference Result 1373 states and 1909 transitions. [2020-11-07 01:03:48,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-07 01:03:48,030 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 144 [2020-11-07 01:03:48,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 01:03:48,055 INFO L225 Difference]: With dead ends: 1373 [2020-11-07 01:03:48,055 INFO L226 Difference]: Without dead ends: 790 [2020-11-07 01:03:48,066 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-07 01:03:48,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2020-11-07 01:03:48,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 755. [2020-11-07 01:03:48,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2020-11-07 01:03:48,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 941 transitions. [2020-11-07 01:03:48,328 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 941 transitions. Word has length 144 [2020-11-07 01:03:48,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 01:03:48,333 INFO L481 AbstractCegarLoop]: Abstraction has 755 states and 941 transitions. [2020-11-07 01:03:48,333 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 01:03:48,334 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 941 transitions. [2020-11-07 01:03:48,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-11-07 01:03:48,354 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 01:03:48,354 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 01:03:48,355 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 01:03:48,355 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 01:03:48,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 01:03:48,356 INFO L82 PathProgramCache]: Analyzing trace with hash -57253084, now seen corresponding path program 1 times [2020-11-07 01:03:48,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 01:03:48,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1798409191] [2020-11-07 01:03:48,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 01:03:48,618 WARN L194 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 60 [2020-11-07 01:03:49,973 INFO L316 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-11-07 01:03:50,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 01:03:50,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 01:03:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 01:03:50,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 01:03:51,411 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-11-07 01:03:51,589 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-11-07 01:03:51,950 WARN L194 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2020-11-07 01:03:52,177 WARN L194 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-11-07 01:03:52,452 WARN L194 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-11-07 01:03:52,761 WARN L194 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-11-07 01:03:53,099 WARN L194 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-11-07 01:03:53,317 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 35 [2020-11-07 01:03:54,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1798409191] [2020-11-07 01:03:54,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 01:03:54,498 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2020-11-07 01:03:54,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078209304] [2020-11-07 01:03:54,500 INFO L461 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-11-07 01:03:54,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 01:03:54,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-11-07 01:03:54,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=347, Invalid=1293, Unknown=0, NotChecked=0, Total=1640 [2020-11-07 01:03:54,505 INFO L87 Difference]: Start difference. First operand 755 states and 941 transitions. Second operand 34 states. [2020-11-07 01:03:54,852 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-11-07 01:03:55,021 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-11-07 01:03:55,166 WARN L194 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-11-07 01:03:55,316 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-11-07 01:03:55,469 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-11-07 01:03:55,630 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-11-07 01:03:56,018 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 121 [2020-11-07 01:03:56,501 WARN L194 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2020-11-07 01:03:57,054 WARN L194 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 124 [2020-11-07 01:03:57,437 WARN L194 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 64 [2020-11-07 01:03:57,605 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2020-11-07 01:03:57,937 WARN L194 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2020-11-07 01:03:58,822 WARN L194 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2020-11-07 01:03:59,282 WARN L194 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 111 [2020-11-07 01:03:59,590 WARN L194 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 44 [2020-11-07 01:03:59,981 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 128 [2020-11-07 01:04:00,141 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-11-07 01:04:00,385 WARN L194 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 47 [2020-11-07 01:04:00,863 WARN L194 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 135 [2020-11-07 01:04:01,207 WARN L194 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2020-11-07 01:04:01,724 WARN L194 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 138 [2020-11-07 01:04:02,075 WARN L194 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2020-11-07 01:04:02,494 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 124 [2020-11-07 01:04:03,056 WARN L194 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 141 [2020-11-07 01:04:03,528 WARN L194 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 127 [2020-11-07 01:04:04,100 WARN L194 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 137 [2020-11-07 01:04:04,721 WARN L194 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 144 [2020-11-07 01:04:05,247 WARN L194 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 134 [2020-11-07 01:04:05,957 WARN L194 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 147 [2020-11-07 01:04:06,183 WARN L194 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2020-11-07 01:04:07,210 WARN L194 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 149 [2020-11-07 01:04:07,811 WARN L194 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 142 [2020-11-07 01:04:08,412 WARN L194 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 106 [2020-11-07 01:04:09,246 WARN L194 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 144 [2020-11-07 01:04:10,465 WARN L194 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 127 [2020-11-07 01:04:10,851 WARN L194 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-11-07 01:04:11,340 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-11-07 01:04:11,561 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-11-07 01:04:11,900 WARN L194 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-11-07 01:04:12,343 WARN L194 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-11-07 01:04:12,710 WARN L194 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-11-07 01:04:13,153 WARN L194 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-11-07 01:04:13,385 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-11-07 01:04:13,831 WARN L194 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-11-07 01:04:14,397 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-11-07 01:04:14,689 WARN L194 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2020-11-07 01:04:15,233 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-11-07 01:04:15,797 WARN L194 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-11-07 01:04:16,423 WARN L194 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2020-11-07 01:04:16,797 WARN L194 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-11-07 01:04:16,990 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-11-07 01:04:17,493 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-11-07 01:04:17,792 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-11-07 01:04:18,147 WARN L194 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-11-07 01:04:18,566 WARN L194 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-11-07 01:04:19,015 WARN L194 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-11-07 01:04:19,412 WARN L194 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-11-07 01:04:19,865 WARN L194 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-11-07 01:04:20,326 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-11-07 01:04:20,890 WARN L194 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-11-07 01:04:21,312 WARN L194 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 60 [2020-11-07 01:04:21,823 WARN L194 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-11-07 01:04:22,429 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-11-07 01:04:22,671 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-11-07 01:04:23,111 WARN L194 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 68 [2020-11-07 01:04:23,517 WARN L194 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 124 [2020-11-07 01:04:24,077 WARN L194 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 131 [2020-11-07 01:04:24,712 WARN L194 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 134 [2020-11-07 01:04:25,389 WARN L194 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 137 [2020-11-07 01:04:26,120 WARN L194 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 140 [2020-11-07 01:04:26,896 WARN L194 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 143 [2020-11-07 01:04:27,303 WARN L194 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-11-07 01:04:27,779 WARN L194 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 69 [2020-11-07 01:04:28,578 WARN L194 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 145 [2020-11-07 01:04:28,999 WARN L194 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-11-07 01:04:29,305 WARN L194 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2020-11-07 01:04:29,575 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-11-07 01:04:29,835 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-11-07 01:04:30,291 WARN L194 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 123 [2020-11-07 01:04:30,886 WARN L194 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 130 [2020-11-07 01:04:31,376 WARN L194 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2020-11-07 01:04:32,144 WARN L194 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 133 [2020-11-07 01:04:32,902 WARN L194 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 138 [2020-11-07 01:04:33,925 WARN L194 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 140 [2020-11-07 01:04:34,356 WARN L194 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2020-11-07 01:04:34,947 WARN L194 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 78 [2020-11-07 01:04:35,487 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2020-11-07 01:04:36,020 WARN L194 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2020-11-07 01:04:38,542 WARN L194 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 73 [2020-11-07 01:04:39,236 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2020-11-07 01:04:39,720 WARN L194 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2020-11-07 01:04:40,226 WARN L194 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2020-11-07 01:04:41,784 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-11-07 01:04:42,997 WARN L194 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-11-07 01:04:43,316 WARN L194 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-11-07 01:04:43,683 WARN L194 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-11-07 01:04:44,072 WARN L194 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-11-07 01:04:45,585 WARN L194 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-07 01:04:46,016 WARN L194 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-11-07 01:04:46,406 WARN L194 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-11-07 01:04:46,839 WARN L194 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-11-07 01:04:47,444 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2020-11-07 01:04:47,993 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 71 [2020-11-07 01:04:48,509 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 73 [2020-11-07 01:04:48,993 WARN L194 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 71 [2020-11-07 01:04:51,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 01:04:51,261 INFO L93 Difference]: Finished difference Result 3474 states and 5364 transitions. [2020-11-07 01:04:51,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2020-11-07 01:04:51,262 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 174 [2020-11-07 01:04:51,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 01:04:51,299 INFO L225 Difference]: With dead ends: 3474 [2020-11-07 01:04:51,299 INFO L226 Difference]: Without dead ends: 2751 [2020-11-07 01:04:51,330 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 43 SyntacticMatches, 3 SemanticMatches, 214 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18814 ImplicationChecksByTransitivity, 46.8s TimeCoverageRelationStatistics Valid=5054, Invalid=41386, Unknown=0, NotChecked=0, Total=46440 [2020-11-07 01:04:51,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2751 states. [2020-11-07 01:04:52,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2751 to 1837. [2020-11-07 01:04:52,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1837 states. [2020-11-07 01:04:52,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1837 states to 1837 states and 2446 transitions. [2020-11-07 01:04:52,228 INFO L78 Accepts]: Start accepts. Automaton has 1837 states and 2446 transitions. Word has length 174 [2020-11-07 01:04:52,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 01:04:52,229 INFO L481 AbstractCegarLoop]: Abstraction has 1837 states and 2446 transitions. [2020-11-07 01:04:52,229 INFO L482 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-11-07 01:04:52,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1837 states and 2446 transitions. [2020-11-07 01:04:52,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-11-07 01:04:52,240 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 01:04:52,241 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-07 01:04:52,241 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 01:04:52,242 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 01:04:52,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 01:04:52,242 INFO L82 PathProgramCache]: Analyzing trace with hash -103188034, now seen corresponding path program 1 times [2020-11-07 01:04:52,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 01:04:52,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [682471499] [2020-11-07 01:04:52,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 01:04:52,353 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 43 [2020-11-07 01:04:52,773 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 60 [2020-11-07 01:04:54,280 INFO L316 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-11-07 01:04:54,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 01:04:54,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 01:04:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 01:04:55,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 01:04:57,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [682471499] [2020-11-07 01:04:57,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 01:04:57,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-11-07 01:04:57,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43863712] [2020-11-07 01:04:57,306 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-11-07 01:04:57,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 01:04:57,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-11-07 01:04:57,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=652, Unknown=0, NotChecked=0, Total=870 [2020-11-07 01:04:57,308 INFO L87 Difference]: Start difference. First operand 1837 states and 2446 transitions. Second operand 26 states. [2020-11-07 01:04:57,501 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-11-07 01:04:57,638 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-11-07 01:04:57,764 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-11-07 01:04:57,886 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-11-07 01:04:58,026 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-11-07 01:04:58,172 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-11-07 01:04:58,330 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-11-07 01:04:58,698 WARN L194 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 107 [2020-11-07 01:04:59,395 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2020-11-07 01:05:00,385 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 117 [2020-11-07 01:05:00,810 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 117 [2020-11-07 01:05:01,066 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-11-07 01:05:01,264 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-11-07 01:05:01,499 WARN L194 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-11-07 01:05:02,492 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 116 [2020-11-07 01:05:03,106 WARN L194 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-11-07 01:05:03,394 WARN L194 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-11-07 01:05:03,832 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-11-07 01:05:04,056 WARN L194 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-11-07 01:05:05,010 WARN L194 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-11-07 01:05:06,177 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-11-07 01:05:06,421 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-11-07 01:05:06,800 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-11-07 01:05:07,011 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-11-07 01:05:08,797 WARN L194 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 107 [2020-11-07 01:05:11,635 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-11-07 01:05:17,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 01:05:17,212 INFO L93 Difference]: Finished difference Result 6837 states and 10013 transitions. [2020-11-07 01:05:17,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2020-11-07 01:05:17,213 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 208 [2020-11-07 01:05:17,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 01:05:17,268 INFO L225 Difference]: With dead ends: 6837 [2020-11-07 01:05:17,268 INFO L226 Difference]: Without dead ends: 5173 [2020-11-07 01:05:17,287 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 55 SyntacticMatches, 28 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5774 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=1893, Invalid=11447, Unknown=0, NotChecked=0, Total=13340 [2020-11-07 01:05:17,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5173 states. [2020-11-07 01:05:18,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5173 to 2915. [2020-11-07 01:05:18,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2915 states. [2020-11-07 01:05:18,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2915 states to 2915 states and 3776 transitions. [2020-11-07 01:05:18,698 INFO L78 Accepts]: Start accepts. Automaton has 2915 states and 3776 transitions. Word has length 208 [2020-11-07 01:05:18,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 01:05:18,699 INFO L481 AbstractCegarLoop]: Abstraction has 2915 states and 3776 transitions. [2020-11-07 01:05:18,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-11-07 01:05:18,699 INFO L276 IsEmpty]: Start isEmpty. Operand 2915 states and 3776 transitions. [2020-11-07 01:05:18,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-11-07 01:05:18,715 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 01:05:18,715 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-07 01:05:18,716 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 01:05:18,716 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 01:05:18,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 01:05:18,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1319025612, now seen corresponding path program 1 times [2020-11-07 01:05:18,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 01:05:18,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [839736638] [2020-11-07 01:05:18,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 01:05:18,870 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 46 [2020-11-07 01:05:19,465 WARN L194 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 62 [2020-11-07 01:05:21,042 INFO L316 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-11-07 01:05:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 01:05:21,221 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 01:05:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 01:05:21,375 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 01:05:21,520 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-11-07 01:05:21,520 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-07 01:05:21,523 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 01:05:21,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:05:21 BoogieIcfgContainer [2020-11-07 01:05:21,574 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-07 01:05:21,581 INFO L168 Benchmark]: Toolchain (without parser) took 100698.80 ms. Allocated memory was 151.0 MB in the beginning and 941.6 MB in the end (delta: 790.6 MB). Free memory was 125.4 MB in the beginning and 588.8 MB in the end (delta: -463.4 MB). Peak memory consumption was 328.2 MB. Max. memory is 8.0 GB. [2020-11-07 01:05:21,581 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 125.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-07 01:05:21,585 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.17 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 131.5 MB in the end (delta: -6.7 MB). Peak memory consumption was 33.5 MB. Max. memory is 8.0 GB. [2020-11-07 01:05:21,585 INFO L168 Benchmark]: Boogie Preprocessor took 172.61 ms. Allocated memory is still 151.0 MB. Free memory was 131.5 MB in the beginning and 126.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-11-07 01:05:21,586 INFO L168 Benchmark]: RCFGBuilder took 1532.44 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 126.4 MB in the beginning and 153.5 MB in the end (delta: -27.0 MB). Peak memory consumption was 68.9 MB. Max. memory is 8.0 GB. [2020-11-07 01:05:21,587 INFO L168 Benchmark]: TraceAbstraction took 98297.02 ms. Allocated memory was 181.4 MB in the beginning and 941.6 MB in the end (delta: 760.2 MB). Free memory was 153.0 MB in the beginning and 588.8 MB in the end (delta: -435.8 MB). Peak memory consumption was 324.4 MB. Max. memory is 8.0 GB. [2020-11-07 01:05:21,594 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 125.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 679.17 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 131.5 MB in the end (delta: -6.7 MB). Peak memory consumption was 33.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 172.61 ms. Allocated memory is still 151.0 MB. Free memory was 131.5 MB in the beginning and 126.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1532.44 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 126.4 MB in the beginning and 153.5 MB in the end (delta: -27.0 MB). Peak memory consumption was 68.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 98297.02 ms. Allocated memory was 181.4 MB in the beginning and 941.6 MB in the end (delta: 760.2 MB). Free memory was 153.0 MB in the beginning and 588.8 MB in the end (delta: -435.8 MB). Peak memory consumption was 324.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L9] int a= 1; [L10] int d= 4; [L11] int e= 5; [L12] int f= 6; [L13] int c= 3; [L14] int b= 2; [L17] int u = 21; [L18] int v = 22; [L19] int w = 23; [L20] int x = 24; [L21] int y = 25; [L22] int z = 26; [L24] int a17 = 1; [L25] int a7 = 0; [L26] int a20 = 1; [L27] int a8 = 15; [L28] int a12 = 8; [L29] int a16 = 5; [L30] int a21 = 1; [L582] int output = -1; [L585] COND TRUE 1 [L588] int input; [L589] input = __VERIFIER_nondet_int() [L590] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L593] CALL, EXPR calculate_output(input) [L33] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) [L37] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) [L45] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) [L51] COND TRUE ((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8))) [L52] a8 = 13 [L53] a7 = 1 [L54] a16 = 4 [L55] return -1; [L593] RET, EXPR calculate_output(input) [L593] output = calculate_output(input) [L585] COND TRUE 1 [L588] int input; [L589] input = __VERIFIER_nondet_int() [L590] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L593] CALL, EXPR calculate_output(input) [L33] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) [L37] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) [L45] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) [L51] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) [L56] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) [L64] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) [L67] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) [L74] COND FALSE !(((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1))))))))) [L82] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) [L86] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&(((a20==1)&&((a17==1)&&(a7==1)))&&(a8==13)))&&!(a21==1)))&&(input==2))&&(a12==8))) [L94] COND FALSE !(((a8==13)&&(!(a21==1)&&((((input==3)&&((((a20==1)&&!(a17==1))&&(a16==6))||((!(a20==1)&&(a17==1))&&(a16==4))))&&(a12==8))&&(a7==1))))) [L99] COND FALSE !(((((a21==1)&&((a12==8)&&((input==1)&&(((!(a20==1)&&(a17==1))&&(a16==4))||(((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&(!(a17==1)&&(a20==1))))))))&&!(a7==1))&&(a8==15))) [L104] COND FALSE !((((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1))) [L110] COND FALSE !(((a17==1)&&(((a8==15)&&(((a12==8)&&((!(a7==1)&&(input==5))&&(a21==1)))&&!(a20==1)))&&(a16==5)))) [L116] COND FALSE !((!(a7==1)&&(((((a21==1)&&(((a8==15)&&(input==5))&&!(a17==1)))&&(a12==8))&&(a20==1))&&(a16==4)))) [L121] COND FALSE !(((!(a21==1)&&(((a12==8)&&((((a16==6)&&((a20==1)&&!(a17==1)))||((!(a20==1)&&(a17==1))&&(a16==4)))&&(input==1)))&&(a8==13)))&&(a7==1))) [L126] COND FALSE !(((a17==1)&&(!(a7==1)&&(((a21==1)&&(((a12==8)&&((input==5)&&((a16==5)||(a16==6))))&&(a20==1)))&&(a8==15))))) [L131] COND FALSE !((((a12==8)&&(!(a21==1)&&((a7==1)&&((a8==13)&&((input==6)&&((((a16==6)&&(a17==1))||((a16==4)&&!(a17==1)))||((a16==5)&&!(a17==1))))))))&&(a20==1))) [L138] COND FALSE !((((a16==5)&&((((a8==15)&&((!(a7==1)&&(input==2))&&(a21==1)))&&(a12==8))&&!(a20==1)))&&!(a17==1))) [L142] COND FALSE !((!(a20==1)&&((a21==1)&&((a16==4)&&((a8==15)&&(((a12==8)&&((input==2)&&!(a7==1)))&&!(a17==1))))))) [L146] COND FALSE !((((a21==1)&&(!(a7==1)&&((!(a20==1)&&(!(a17==1)&&((a12==8)&&(input==6))))&&(a16==4))))&&(a8==15))) [L150] COND FALSE !(((a17==1)&&((((((a12==8)&&((input==4)&&(a8==13)))&&(a20==1))&&!(a21==1))&&(a16==5))&&(a7==1)))) [L154] COND FALSE !(((((a8==13)&&((a12==8)&&((((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5)))&&(input==1))&&!(a21==1))))&&(a20==1))&&(a7==1))) [L162] COND FALSE !(((a8==13)&&(!(a21==1)&&((((((!(a17==1)&&(a20==1))&&(a16==6))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==5))&&(a7==1))&&(a12==8))))) [L167] COND FALSE !(((!(a21==1)&&((((((a16==6)&&((a20==1)&&!(a17==1)))||(((a17==1)&&!(a20==1))&&(a16==4)))&&(input==4))&&(a7==1))&&(a12==8)))&&(a8==13))) [L175] COND FALSE !((((a21==1)&&(!(a7==1)&&((((((a16==5)&&((a20==1)&&!(a17==1)))||((!(a17==1)&&(a20==1))&&(a16==6)))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==4))&&(a12==8))))&&(a8==15))) [L180] COND TRUE ((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&((((a7==1)&&(a17==1))&&(a20==1))&&(a8==13)))&&!(a21==1)))&&(input==4))&&(a12==8)) [L181] a17 = 0 [L182] a16 = 5 [L183] a21 = 1 [L184] a8 = 14 [L185] a7 = 1 [L186] a20 = 1 [L187] return -1; [L593] RET, EXPR calculate_output(input) [L593] output = calculate_output(input) [L585] COND TRUE 1 [L588] int input; [L589] input = __VERIFIER_nondet_int() [L590] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L593] CALL calculate_output(input) [L33] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) [L37] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) [L45] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) [L51] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) [L56] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) [L64] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) [L67] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) [L74] COND FALSE !(((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1))))))))) [L82] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) [L86] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&(((a20==1)&&((a17==1)&&(a7==1)))&&(a8==13)))&&!(a21==1)))&&(input==2))&&(a12==8))) [L94] COND FALSE !(((a8==13)&&(!(a21==1)&&((((input==3)&&((((a20==1)&&!(a17==1))&&(a16==6))||((!(a20==1)&&(a17==1))&&(a16==4))))&&(a12==8))&&(a7==1))))) [L99] COND FALSE !(((((a21==1)&&((a12==8)&&((input==1)&&(((!(a20==1)&&(a17==1))&&(a16==4))||(((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&(!(a17==1)&&(a20==1))))))))&&!(a7==1))&&(a8==15))) [L104] COND FALSE !((((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1))) [L110] COND FALSE !(((a17==1)&&(((a8==15)&&(((a12==8)&&((!(a7==1)&&(input==5))&&(a21==1)))&&!(a20==1)))&&(a16==5)))) [L116] COND FALSE !((!(a7==1)&&(((((a21==1)&&(((a8==15)&&(input==5))&&!(a17==1)))&&(a12==8))&&(a20==1))&&(a16==4)))) [L121] COND FALSE !(((!(a21==1)&&(((a12==8)&&((((a16==6)&&((a20==1)&&!(a17==1)))||((!(a20==1)&&(a17==1))&&(a16==4)))&&(input==1)))&&(a8==13)))&&(a7==1))) [L126] COND FALSE !(((a17==1)&&(!(a7==1)&&(((a21==1)&&(((a12==8)&&((input==5)&&((a16==5)||(a16==6))))&&(a20==1)))&&(a8==15))))) [L131] COND FALSE !((((a12==8)&&(!(a21==1)&&((a7==1)&&((a8==13)&&((input==6)&&((((a16==6)&&(a17==1))||((a16==4)&&!(a17==1)))||((a16==5)&&!(a17==1))))))))&&(a20==1))) [L138] COND FALSE !((((a16==5)&&((((a8==15)&&((!(a7==1)&&(input==2))&&(a21==1)))&&(a12==8))&&!(a20==1)))&&!(a17==1))) [L142] COND FALSE !((!(a20==1)&&((a21==1)&&((a16==4)&&((a8==15)&&(((a12==8)&&((input==2)&&!(a7==1)))&&!(a17==1))))))) [L146] COND FALSE !((((a21==1)&&(!(a7==1)&&((!(a20==1)&&(!(a17==1)&&((a12==8)&&(input==6))))&&(a16==4))))&&(a8==15))) [L150] COND FALSE !(((a17==1)&&((((((a12==8)&&((input==4)&&(a8==13)))&&(a20==1))&&!(a21==1))&&(a16==5))&&(a7==1)))) [L154] COND FALSE !(((((a8==13)&&((a12==8)&&((((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5)))&&(input==1))&&!(a21==1))))&&(a20==1))&&(a7==1))) [L162] COND FALSE !(((a8==13)&&(!(a21==1)&&((((((!(a17==1)&&(a20==1))&&(a16==6))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==5))&&(a7==1))&&(a12==8))))) [L167] COND FALSE !(((!(a21==1)&&((((((a16==6)&&((a20==1)&&!(a17==1)))||(((a17==1)&&!(a20==1))&&(a16==4)))&&(input==4))&&(a7==1))&&(a12==8)))&&(a8==13))) [L175] COND FALSE !((((a21==1)&&(!(a7==1)&&((((((a16==5)&&((a20==1)&&!(a17==1)))||((!(a17==1)&&(a20==1))&&(a16==6)))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==4))&&(a12==8))))&&(a8==15))) [L180] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&((((a7==1)&&(a17==1))&&(a20==1))&&(a8==13)))&&!(a21==1)))&&(input==4))&&(a12==8))) [L188] COND FALSE !((!(a17==1)&&(((a12==8)&&(!(a20==1)&&(((a8==15)&&((a21==1)&&(input==4)))&&!(a7==1))))&&(a16==5)))) [L191] COND FALSE !((((!(a7==1)&&(((input==2)&&((((a16==5)&&((a20==1)&&!(a17==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a8==15)))&&(a12==8))&&(a21==1))) [L196] COND FALSE !((!(a20==1)&&(((((((input==6)&&(a16==5))&&(a21==1))&&!(a17==1))&&(a12==8))&&!(a7==1))&&(a8==15)))) [L199] COND FALSE !(((a12==8)&&(((((((a21==1)&&(input==5))&&(a8==15))&&(a17==1))&&!(a7==1))&&!(a20==1))&&(a16==6)))) [L205] COND FALSE !(((((a8==15)&&(!(a7==1)&&((((!(a20==1)&&(a17==1))&&(a16==4))||(((!(a17==1)&&(a20==1))&&(a16==5))||((a16==6)&&((a20==1)&&!(a17==1)))))&&(input==6))))&&(a12==8))&&(a21==1))) [L210] COND FALSE !(((a8==15)&&((a16==4)&&(!(a20==1)&&((((a21==1)&&(!(a17==1)&&(input==5)))&&!(a7==1))&&(a12==8)))))) [L216] COND FALSE !(((a17==1)&&((a12==8)&&((a8==15)&&(((!(a7==1)&&(((a16==5)||(a16==6))&&(input==2)))&&(a21==1))&&(a20==1)))))) [L220] COND FALSE !((!(a7==1)&&(((a8==15)&&((!(a17==1)&&((a12==8)&&((input==3)&&(a21==1))))&&(a16==4)))&&(a20==1)))) [L225] COND FALSE !(((a16==5)&&((!(a21==1)&&(((a8==13)&&(((input==2)&&(a20==1))&&(a12==8)))&&(a7==1)))&&(a17==1)))) [L233] COND FALSE !(((a20==1)&&(((a12==8)&&((a7==1)&&((a8==13)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==3)))))&&!(a21==1)))) [L240] COND FALSE !(((a12==8)&&((a7==1)&&(!(a21==1)&&((a8==13)&&((input==6)&&(((a16==6)&&((a20==1)&&!(a17==1)))||((a16==4)&&((a17==1)&&!(a20==1)))))))))) [L247] COND FALSE !(((!(a7==1)&&(!(a17==1)&&((((a16==4)&&((a8==15)&&(input==1)))&&(a12==8))&&(a21==1))))&&(a20==1))) [L252] COND FALSE !(((a17==1)&&(((a21==1)&&(!(a20==1)&&((a12==8)&&((a8==15)&&(!(a7==1)&&(input==1))))))&&(a16==6)))) [L258] COND FALSE !(((a20==1)&&((a12==8)&&((((a17==1)&&((((a16==5)||(a16==6))&&(input==4))&&(a8==15)))&&(a21==1))&&!(a7==1))))) [L263] COND FALSE !(((((a8==13)&&((((!(a21==1)&&(input==6))&&(a20==1))&&(a12==8))&&(a17==1)))&&(a7==1))&&(a16==5))) [L267] COND FALSE !(((a16==5)&&(((((a12==8)&&(!(a7==1)&&((input==2)&&!(a20==1))))&&(a21==1))&&(a17==1))&&(a8==15)))) [L270] COND FALSE !((((a12==8)&&(((!(a17==1)&&((a21==1)&&((input==4)&&!(a7==1))))&&(a8==15))&&(a20==1)))&&(a16==4))) [L275] COND FALSE !(((a7==1)&&((a8==13)&&((a12==8)&&(!(a21==1)&&((input==2)&&((((a20==1)&&!(a17==1))&&(a16==6))||(((a17==1)&&!(a20==1))&&(a16==4))))))))) [L280] COND FALSE !((((((((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15))&&(a16==6))&&(a21==1))||((((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1)))&&(a16==4))&&!(a21==1)))&&(input==6))&&(a12==8))) [L288] COND FALSE !(((!(a7==1)&&(!(a17==1)&&(((((input==3)&&(a21==1))&&(a16==4))&&(a8==15))&&(a12==8))))&&!(a20==1))) [L294] COND FALSE !((((((a12==8)&&(((((a17==1)&&!(a20==1))&&(a16==4))||((((a20==1)&&!(a17==1))&&(a16==5))||((!(a17==1)&&(a20==1))&&(a16==6))))&&(input==3)))&&(a8==15))&&(a21==1))&&!(a7==1))) [L301] COND FALSE !((((!(a7==1)&&(((input==5)&&((((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a12==8)))&&(a21==1))&&(a8==15))) [L308] COND FALSE !(((!(a7==1)&&(((a21==1)&&(((a17==1)&&((a12==8)&&(input==2)))&&!(a20==1)))&&(a16==6)))&&(a8==15))) [L314] COND FALSE !(((!(a17==1)&&((a21==1)&&((!(a20==1)&&((a12==8)&&((input==3)&&!(a7==1))))&&(a8==15))))&&(a16==5))) [L318] COND FALSE !((((a16==5)&&(!(a20==1)&&(((((input==6)&&(a21==1))&&(a17==1))&&!(a7==1))&&(a12==8))))&&(a8==15))) [L320] COND FALSE !((!(a7==1)&&((a17==1)&&(((a16==6)&&(!(a20==1)&&(((input==6)&&(a12==8))&&(a21==1))))&&(a8==15))))) [L326] COND FALSE !(((((a21==1)&&((a8==15)&&((a12==8)&&(!(a7==1)&&(!(a17==1)&&(input==2))))))&&(a16==4))&&(a20==1))) [L331] COND FALSE !(((a8==15)&&(((a16==4)&&((a12==8)&&((!(a20==1)&&(!(a7==1)&&(input==1)))&&!(a17==1))))&&(a21==1)))) [L335] COND FALSE !(((a21==1)&&(((a12==8)&&((((a17==1)&&((input==3)&&((a16==5)||(a16==6))))&&!(a7==1))&&(a20==1)))&&(a8==15)))) [L339] COND FALSE !((!(a21==1)&&((a20==1)&&(((a12==8)&&((a8==13)&&((((a16==5)&&!(a17==1))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==2))))&&(a7==1))))) [L347] COND FALSE !(((a7==1)&&((a12==8)&&((((a20==1)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||((a16==4)&&!(a17==1))))&&(input==4)))&&(a8==13))&&!(a21==1))))) [L355] COND FALSE !(((a21==1)&&((((!(a7==1)&&((a8==15)&&(!(a20==1)&&(input==4))))&&(a17==1))&&(a16==5))&&(a12==8)))) [L357] COND FALSE !((((!(a7==1)&&((!(a20==1)&&((a21==1)&&((input==3)&&(a17==1))))&&(a8==15)))&&(a12==8))&&(a16==5))) [L363] COND FALSE !(((((!(a17==1)&&(!(a20==1)&&((a8==15)&&((input==1)&&(a16==5)))))&&(a12==8))&&(a21==1))&&!(a7==1))) [L365] COND FALSE !(((((a21==1)&&((a8==15)&&(((a16==5)&&((a12==8)&&(input==1)))&&(a17==1))))&&!(a7==1))&&!(a20==1))) [L367] COND FALSE !(((!(a21==1)&&((a20==1)&&((((a8==13)&&((a7==1)&&(input==5)))&&(a17==1))&&(a12==8))))&&(a16==5))) [L374] COND FALSE !((((!(a7==1)&&((a21==1)&&((((input==6)&&(a20==1))&&(a8==15))&&!(a17==1))))&&(a12==8))&&(a16==4))) [L379] COND FALSE !(((((a20==1)&&(((!(a21==1)&&((a7==1)&&(input==1)))&&(a8==13))&&(a17==1)))&&(a12==8))&&(a16==5))) [L384] COND FALSE !(((a12==8)&&((input==5)&&((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==15))&&(a16==6))&&(a21==1))||(!(a21==1)&&((a16==4)&&(((a20==1)&&((a7==1)&&(a17==1)))&&(a8==13)))))))) [L393] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) [L396] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) [L399] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==15))&&(a12==8))&&(a16==4))&&(a21==1))) [L402] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==6))&&(a21==1))) [L405] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) [L408] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==15))&&(a12==8))&&(a16==5))&&(a21==1))) [L411] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==5))&&(a21==1))) [L414] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) [L417] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L420] COND FALSE !(((((((!(a17==1)&&(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==5))&&(a21==1))) [L423] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L426] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==5))&&(a21==1))) [L429] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L432] COND FALSE !((((((((a17==1)&&!(a7==1))&&!(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L435] COND FALSE !((((((((a17==1)&&(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==6))&&(a21==1))) [L438] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==6))&&(a21==1))) [L441] COND FALSE !(((((((!(a17==1)&&(a7==1))&&(a20==1))&&(a8==15))&&(a12==8))&&(a16==5))&&(a21==1))) [L444] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==15))&&(a12==8))&&(a16==4))&&(a21==1))) [L447] COND FALSE !(((((((!(a17==1)&&(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L450] COND FALSE !((((((((a17==1)&&(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==6))&&(a21==1))) [L453] COND FALSE !((((((((a17==1)&&(a7==1))&&!(a20==1))&&(a8==15))&&(a12==8))&&(a16==6))&&(a21==1))) [L456] COND FALSE !(((((((!(a17==1)&&(a7==1))&&(a20==1))&&(a8==15))&&(a12==8))&&(a16==6))&&(a21==1))) [L459] COND FALSE !((((((((a17==1)&&(a7==1))&&!(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L462] COND FALSE !((((((((a17==1)&&(a7==1))&&(a20==1))&&(a8==15))&&(a12==8))&&(a16==4))&&(a21==1))) [L465] COND FALSE !(((((((!(a17==1)&&(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==6))&&(a21==1))) [L468] COND FALSE !((((((((a17==1)&&(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L471] COND FALSE !((((((((a17==1)&&(a7==1))&&(a20==1))&&(a8==15))&&(a12==8))&&(a16==5))&&(a21==1))) [L474] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==6))&&(a21==1))) [L477] COND FALSE !((((((((a17==1)&&(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==5))&&(a21==1))) [L480] COND FALSE !((((((((a17==1)&&(a7==1))&&!(a20==1))&&(a8==15))&&(a12==8))&&(a16==4))&&(a21==1))) [L483] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==5))&&(a21==1))) [L486] COND FALSE !(((((((!(a17==1)&&(a7==1))&&(a20==1))&&(a8==15))&&(a12==8))&&(a16==4))&&(a21==1))) [L489] COND FALSE !((((((((a17==1)&&(a7==1))&&!(a20==1))&&(a8==13))&&(a12==8))&&(a16==6))&&(a21==1))) [L492] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==15))&&(a12==8))&&(a16==6))&&(a21==1))) [L495] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==5))&&(a21==1))) [L498] COND TRUE (((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==6))&&(a21==1)) [L499] CALL reach_error() [L4] __assert_fail("0", "Problem01_label49.c", 4, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 537 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 98.1s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 80.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1144 SDtfs, 17620 SDslu, 2981 SDs, 0 SdLazy, 11781 SolverSat, 3066 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 466 GetRequests, 102 SyntacticMatches, 31 SemanticMatches, 333 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24589 ImplicationChecksByTransitivity, 58.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2915occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.5s AutomataMinimizationTime, 3 MinimizatonAttempts, 3207 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...