/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label15.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 17:30:25,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 17:30:25,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 17:30:25,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 17:30:25,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 17:30:25,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 17:30:25,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 17:30:25,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 17:30:25,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 17:30:25,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 17:30:25,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 17:30:25,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 17:30:25,382 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 17:30:25,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 17:30:25,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 17:30:25,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 17:30:25,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 17:30:25,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 17:30:25,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 17:30:25,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 17:30:25,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 17:30:25,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 17:30:25,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 17:30:25,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 17:30:25,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 17:30:25,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 17:30:25,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 17:30:25,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 17:30:25,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 17:30:25,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 17:30:25,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 17:30:25,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 17:30:25,422 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 17:30:25,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 17:30:25,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 17:30:25,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 17:30:25,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 17:30:25,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 17:30:25,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 17:30:25,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 17:30:25,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 17:30:25,432 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 17:30:25,494 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 17:30:25,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 17:30:25,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 17:30:25,500 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 17:30:25,500 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 17:30:25,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 17:30:25,501 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 17:30:25,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 17:30:25,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 17:30:25,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 17:30:25,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 17:30:25,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 17:30:25,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 17:30:25,504 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 17:30:25,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 17:30:25,504 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 17:30:25,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 17:30:25,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 17:30:25,505 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 17:30:25,506 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 17:30:25,506 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 17:30:25,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 17:30:25,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 17:30:25,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 17:30:25,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 17:30:25,508 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 17:30:25,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 17:30:25,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 17:30:25,508 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 17:30:25,509 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 17:30:25,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 17:30:25,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 17:30:25,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 17:30:25,981 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 17:30:25,981 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 17:30:25,982 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label15.c [2020-10-27 17:30:26,078 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0f64c5572/63c79b19a7d74bea93f3235230f02591/FLAG6c8271d23 [2020-10-27 17:30:26,861 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 17:30:26,861 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label15.c [2020-10-27 17:30:26,880 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0f64c5572/63c79b19a7d74bea93f3235230f02591/FLAG6c8271d23 [2020-10-27 17:30:27,054 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0f64c5572/63c79b19a7d74bea93f3235230f02591 [2020-10-27 17:30:27,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 17:30:27,067 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 17:30:27,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 17:30:27,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 17:30:27,074 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 17:30:27,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:30:27" (1/1) ... [2020-10-27 17:30:27,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1de5b2ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:30:27, skipping insertion in model container [2020-10-27 17:30:27,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:30:27" (1/1) ... [2020-10-27 17:30:27,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 17:30:27,173 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 17:30:27,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:30:27,783 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 17:30:27,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:30:27,987 INFO L208 MainTranslator]: Completed translation [2020-10-27 17:30:27,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:30:27 WrapperNode [2020-10-27 17:30:27,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 17:30:27,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 17:30:27,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 17:30:27,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 17:30:28,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:30:27" (1/1) ... [2020-10-27 17:30:28,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:30:27" (1/1) ... [2020-10-27 17:30:28,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:30:27" (1/1) ... [2020-10-27 17:30:28,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:30:27" (1/1) ... [2020-10-27 17:30:28,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:30:27" (1/1) ... [2020-10-27 17:30:28,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:30:27" (1/1) ... [2020-10-27 17:30:28,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:30:27" (1/1) ... [2020-10-27 17:30:28,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 17:30:28,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 17:30:28,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 17:30:28,158 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 17:30:28,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:30:27" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-27 17:30:28,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 17:30:28,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 17:30:28,249 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 17:30:28,249 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 17:30:28,249 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 17:30:28,250 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 17:30:28,250 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 17:30:28,250 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 17:30:28,251 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 17:30:28,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 17:30:28,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 17:30:28,252 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 17:30:28,252 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 17:30:28,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 17:30:28,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 17:30:28,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 17:30:28,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 17:30:28,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 17:30:28,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 17:30:30,272 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 17:30:30,273 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 17:30:30,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:30:30 BoogieIcfgContainer [2020-10-27 17:30:30,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 17:30:30,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 17:30:30,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 17:30:30,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 17:30:30,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:30:27" (1/3) ... [2020-10-27 17:30:30,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16946748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:30:30, skipping insertion in model container [2020-10-27 17:30:30,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:30:27" (2/3) ... [2020-10-27 17:30:30,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16946748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:30:30, skipping insertion in model container [2020-10-27 17:30:30,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:30:30" (3/3) ... [2020-10-27 17:30:30,293 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label15.c [2020-10-27 17:30:30,306 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 17:30:30,313 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 17:30:30,328 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 17:30:30,374 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 17:30:30,375 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 17:30:30,375 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 17:30:30,375 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 17:30:30,375 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 17:30:30,375 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 17:30:30,375 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 17:30:30,376 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 17:30:30,417 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-10-27 17:30:30,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-27 17:30:30,430 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:30,431 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] [2020-10-27 17:30:30,432 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:30,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:30,441 INFO L82 PathProgramCache]: Analyzing trace with hash 945488982, now seen corresponding path program 1 times [2020-10-27 17:30:30,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:30,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1499904263] [2020-10-27 17:30:30,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:30,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:31,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:31,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 17:30:31,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:31,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 436 [2020-10-27 17:30:31,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:31,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 17:30:31,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 17:30:31,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 17:30:31,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 17:30:31,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:31,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:31,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:31,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:31,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:31,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 17:30:31,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:31,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:31,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:31,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:30:31,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:31,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:30:31,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1499904263] [2020-10-27 17:30:31,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 17:30:31,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 17:30:31,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473471119] [2020-10-27 17:30:31,317 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 17:30:31,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:31,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 17:30:31,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 17:30:31,336 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 4 states. [2020-10-27 17:30:34,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:34,363 INFO L93 Difference]: Finished difference Result 793 states and 1388 transitions. [2020-10-27 17:30:34,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:30:34,364 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2020-10-27 17:30:34,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:34,382 INFO L225 Difference]: With dead ends: 793 [2020-10-27 17:30:34,382 INFO L226 Difference]: Without dead ends: 432 [2020-10-27 17:30:34,392 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:30:34,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2020-10-27 17:30:34,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 426. [2020-10-27 17:30:34,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-10-27 17:30:34,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 613 transitions. [2020-10-27 17:30:34,501 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 613 transitions. Word has length 21 [2020-10-27 17:30:34,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:34,502 INFO L481 AbstractCegarLoop]: Abstraction has 426 states and 613 transitions. [2020-10-27 17:30:34,502 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 17:30:34,503 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 613 transitions. [2020-10-27 17:30:34,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-27 17:30:34,511 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:34,512 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 17:30:34,513 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 17:30:34,513 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:34,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:34,514 INFO L82 PathProgramCache]: Analyzing trace with hash 531658587, now seen corresponding path program 1 times [2020-10-27 17:30:34,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:34,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [160555093] [2020-10-27 17:30:34,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:34,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:35,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:36,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:36,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 17:30:36,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:30:36,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1498 [2020-10-27 17:30:36,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:36,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:36,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-27 17:30:36,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 17:30:36,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 17:30:36,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:36,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:36,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:36,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:36,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:36,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 17:30:36,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:36,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:36,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:36,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:36,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:30:36,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:36,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:36,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:36,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 17:30:36,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:36,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-10-27 17:30:36,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:36,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:36,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:36,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-27 17:30:36,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:36,521 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:30:36,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [160555093] [2020-10-27 17:30:36,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:30:36,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:30:36,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695673450] [2020-10-27 17:30:36,524 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:30:36,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:36,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:30:36,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:30:36,529 INFO L87 Difference]: Start difference. First operand 426 states and 613 transitions. Second operand 5 states. [2020-10-27 17:30:39,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:39,277 INFO L93 Difference]: Finished difference Result 1248 states and 1816 transitions. [2020-10-27 17:30:39,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:30:39,278 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2020-10-27 17:30:39,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:39,286 INFO L225 Difference]: With dead ends: 1248 [2020-10-27 17:30:39,286 INFO L226 Difference]: Without dead ends: 828 [2020-10-27 17:30:39,289 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:30:39,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2020-10-27 17:30:39,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 812. [2020-10-27 17:30:39,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 812 states. [2020-10-27 17:30:39,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 1084 transitions. [2020-10-27 17:30:39,346 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 1084 transitions. Word has length 93 [2020-10-27 17:30:39,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:39,347 INFO L481 AbstractCegarLoop]: Abstraction has 812 states and 1084 transitions. [2020-10-27 17:30:39,347 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:30:39,348 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1084 transitions. [2020-10-27 17:30:39,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-27 17:30:39,351 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:39,351 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 17:30:39,351 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 17:30:39,351 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:39,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:39,352 INFO L82 PathProgramCache]: Analyzing trace with hash -1939126753, now seen corresponding path program 1 times [2020-10-27 17:30:39,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:39,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [694800712] [2020-10-27 17:30:39,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:39,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:39,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:39,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:41,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:41,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 17:30:41,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:30:41,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1738 [2020-10-27 17:30:41,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:41,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:41,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-27 17:30:41,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 17:30:41,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:41,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:41,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:41,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:41,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:41,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:41,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:30:41,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:41,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:41,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:41,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:41,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:41,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:41,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:41,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:41,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 17:30:41,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:41,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-27 17:30:41,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:41,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:41,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:41,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 17:30:41,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:41,471 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:30:41,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [694800712] [2020-10-27 17:30:41,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:30:41,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 17:30:41,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173630898] [2020-10-27 17:30:41,473 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 17:30:41,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:41,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 17:30:41,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:30:41,476 INFO L87 Difference]: Start difference. First operand 812 states and 1084 transitions. Second operand 6 states. [2020-10-27 17:30:45,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:45,441 INFO L93 Difference]: Finished difference Result 2031 states and 2788 transitions. [2020-10-27 17:30:45,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 17:30:45,442 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2020-10-27 17:30:45,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:45,450 INFO L225 Difference]: With dead ends: 2031 [2020-10-27 17:30:45,451 INFO L226 Difference]: Without dead ends: 1225 [2020-10-27 17:30:45,453 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-27 17:30:45,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2020-10-27 17:30:45,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 1197. [2020-10-27 17:30:45,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1197 states. [2020-10-27 17:30:45,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1632 transitions. [2020-10-27 17:30:45,502 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1632 transitions. Word has length 95 [2020-10-27 17:30:45,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:45,503 INFO L481 AbstractCegarLoop]: Abstraction has 1197 states and 1632 transitions. [2020-10-27 17:30:45,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 17:30:45,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1632 transitions. [2020-10-27 17:30:45,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-27 17:30:45,508 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:45,508 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 17:30:45,508 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 17:30:45,509 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:45,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:45,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1847248441, now seen corresponding path program 1 times [2020-10-27 17:30:45,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:45,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [242718879] [2020-10-27 17:30:45,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:45,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:45,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:45,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-27 17:30:45,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:45,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 412 [2020-10-27 17:30:45,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:45,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 17:30:45,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 17:30:45,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-27 17:30:45,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:46,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:46,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:46,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:46,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:46,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:46,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 17:30:46,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:46,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:46,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:46,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:30:46,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:46,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:46,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:46,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:46,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:30:46,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:46,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-27 17:30:46,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:46,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:46,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:30:46,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 17:30:46,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:46,571 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:30:46,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [242718879] [2020-10-27 17:30:46,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 17:30:46,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 17:30:46,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709694605] [2020-10-27 17:30:46,573 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:30:46,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:46,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:30:46,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:30:46,574 INFO L87 Difference]: Start difference. First operand 1197 states and 1632 transitions. Second operand 7 states. [2020-10-27 17:30:49,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:49,831 INFO L93 Difference]: Finished difference Result 3005 states and 4141 transitions. [2020-10-27 17:30:49,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 17:30:49,832 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 115 [2020-10-27 17:30:49,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:49,843 INFO L225 Difference]: With dead ends: 3005 [2020-10-27 17:30:49,843 INFO L226 Difference]: Without dead ends: 1814 [2020-10-27 17:30:49,847 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 17:30:49,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1814 states. [2020-10-27 17:30:49,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1814 to 1602. [2020-10-27 17:30:49,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1602 states. [2020-10-27 17:30:49,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 1602 states and 2093 transitions. [2020-10-27 17:30:49,907 INFO L78 Accepts]: Start accepts. Automaton has 1602 states and 2093 transitions. Word has length 115 [2020-10-27 17:30:49,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:49,908 INFO L481 AbstractCegarLoop]: Abstraction has 1602 states and 2093 transitions. [2020-10-27 17:30:49,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:30:49,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1602 states and 2093 transitions. [2020-10-27 17:30:49,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-27 17:30:49,913 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:49,913 INFO L422 BasicCegarLoop]: trace histogram [3, 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, 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] [2020-10-27 17:30:49,913 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 17:30:49,913 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:49,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:49,914 INFO L82 PathProgramCache]: Analyzing trace with hash 679399768, now seen corresponding path program 1 times [2020-10-27 17:30:49,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:49,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1405182449] [2020-10-27 17:30:49,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:49,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:50,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:50,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:51,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:51,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:53,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:53,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-27 17:30:53,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 17:30:53,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3422 [2020-10-27 17:30:53,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:53,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 17:30:53,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-27 17:30:53,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-27 17:30:53,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:53,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:53,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:53,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:53,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:53,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:53,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:30:53,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:53,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:53,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:53,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:53,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:53,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:53,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:53,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:53,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:53,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 17:30:53,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:53,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-27 17:30:53,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:53,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:53,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:53,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-27 17:30:53,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:53,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 17:30:53,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:53,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:53,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:53,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:53,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 17:30:53,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:30:53,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 313 [2020-10-27 17:30:53,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:53,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:53,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:30:53,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-27 17:30:53,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:54,048 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 80 proven. 13 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-27 17:30:54,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1405182449] [2020-10-27 17:30:54,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:30:54,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 17:30:54,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063263222] [2020-10-27 17:30:54,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 17:30:54,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:54,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 17:30:54,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:30:54,051 INFO L87 Difference]: Start difference. First operand 1602 states and 2093 transitions. Second operand 6 states. [2020-10-27 17:30:56,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:56,727 INFO L93 Difference]: Finished difference Result 3049 states and 4286 transitions. [2020-10-27 17:30:56,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 17:30:56,730 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 184 [2020-10-27 17:30:56,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:56,744 INFO L225 Difference]: With dead ends: 3049 [2020-10-27 17:30:56,744 INFO L226 Difference]: Without dead ends: 2227 [2020-10-27 17:30:56,747 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-27 17:30:56,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2227 states. [2020-10-27 17:30:56,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2227 to 2197. [2020-10-27 17:30:56,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2197 states. [2020-10-27 17:30:56,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2197 states to 2197 states and 2869 transitions. [2020-10-27 17:30:56,826 INFO L78 Accepts]: Start accepts. Automaton has 2197 states and 2869 transitions. Word has length 184 [2020-10-27 17:30:56,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:56,827 INFO L481 AbstractCegarLoop]: Abstraction has 2197 states and 2869 transitions. [2020-10-27 17:30:56,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 17:30:56,827 INFO L276 IsEmpty]: Start isEmpty. Operand 2197 states and 2869 transitions. [2020-10-27 17:30:56,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-10-27 17:30:56,831 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:56,831 INFO L422 BasicCegarLoop]: trace histogram [3, 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, 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] [2020-10-27 17:30:56,831 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 17:30:56,831 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:56,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:56,832 INFO L82 PathProgramCache]: Analyzing trace with hash -424235508, now seen corresponding path program 1 times [2020-10-27 17:30:56,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:56,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1918833919] [2020-10-27 17:30:56,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:56,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:56,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:56,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:57,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:59,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:59,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-27 17:30:59,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:30:59,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2642 [2020-10-27 17:30:59,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:59,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:59,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-27 17:30:59,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 17:30:59,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:30:59,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:59,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:59,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:59,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:59,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:59,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:59,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:30:59,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:59,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:59,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:59,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:59,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:59,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:59,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:59,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:59,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 17:30:59,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:59,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-27 17:30:59,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:59,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:59,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:59,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-27 17:30:59,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:59,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 17:30:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:59,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:59,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:00,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:00,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:31:00,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:31:00,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 248 [2020-10-27 17:31:00,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:00,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:31:00,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:31:00,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 17:31:00,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:00,422 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 17:31:00,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1918833919] [2020-10-27 17:31:00,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:31:00,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:31:00,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119759207] [2020-10-27 17:31:00,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:31:00,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:31:00,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:31:00,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:31:00,427 INFO L87 Difference]: Start difference. First operand 2197 states and 2869 transitions. Second operand 7 states. [2020-10-27 17:31:02,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:31:02,781 INFO L93 Difference]: Finished difference Result 3679 states and 4967 transitions. [2020-10-27 17:31:02,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 17:31:02,787 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 187 [2020-10-27 17:31:02,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:31:02,800 INFO L225 Difference]: With dead ends: 3679 [2020-10-27 17:31:02,801 INFO L226 Difference]: Without dead ends: 2241 [2020-10-27 17:31:02,806 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-27 17:31:02,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2241 states. [2020-10-27 17:31:02,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2241 to 2203. [2020-10-27 17:31:02,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2203 states. [2020-10-27 17:31:02,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2203 states to 2203 states and 2872 transitions. [2020-10-27 17:31:02,881 INFO L78 Accepts]: Start accepts. Automaton has 2203 states and 2872 transitions. Word has length 187 [2020-10-27 17:31:02,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:31:02,882 INFO L481 AbstractCegarLoop]: Abstraction has 2203 states and 2872 transitions. [2020-10-27 17:31:02,882 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:31:02,882 INFO L276 IsEmpty]: Start isEmpty. Operand 2203 states and 2872 transitions. [2020-10-27 17:31:02,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-27 17:31:02,886 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:31:02,886 INFO L422 BasicCegarLoop]: trace histogram [3, 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, 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, 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] [2020-10-27 17:31:02,887 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 17:31:02,887 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:31:02,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:31:02,887 INFO L82 PathProgramCache]: Analyzing trace with hash -846280782, now seen corresponding path program 1 times [2020-10-27 17:31:02,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:31:02,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1826613941] [2020-10-27 17:31:02,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:31:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:02,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:03,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:03,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-27 17:31:03,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:03,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 455 [2020-10-27 17:31:03,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:03,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:31:03,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-27 17:31:03,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 17:31:03,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:03,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:31:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:03,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:03,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:03,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:31:03,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:03,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:31:03,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:03,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:31:03,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:03,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:31:03,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:03,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:31:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:03,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:03,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:03,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 17:31:03,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:03,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-27 17:31:03,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:03,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:31:03,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:03,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-27 17:31:03,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:03,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 17:31:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:03,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:03,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:03,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:31:03,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:03,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-10-27 17:31:03,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:03,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:31:03,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:31:03,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 17:31:03,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:04,211 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 117 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 17:31:04,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1826613941] [2020-10-27 17:31:04,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:31:04,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:31:04,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530110470] [2020-10-27 17:31:04,213 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:31:04,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:31:04,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:31:04,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:31:04,214 INFO L87 Difference]: Start difference. First operand 2203 states and 2872 transitions. Second operand 7 states. [2020-10-27 17:31:07,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:31:07,700 INFO L93 Difference]: Finished difference Result 5036 states and 6733 transitions. [2020-10-27 17:31:07,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 17:31:07,706 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 231 [2020-10-27 17:31:07,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:31:07,722 INFO L225 Difference]: With dead ends: 5036 [2020-10-27 17:31:07,723 INFO L226 Difference]: Without dead ends: 3027 [2020-10-27 17:31:07,730 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-27 17:31:07,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3027 states. [2020-10-27 17:31:07,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3027 to 2995. [2020-10-27 17:31:07,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2995 states. [2020-10-27 17:31:07,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2995 states to 2995 states and 3812 transitions. [2020-10-27 17:31:07,828 INFO L78 Accepts]: Start accepts. Automaton has 2995 states and 3812 transitions. Word has length 231 [2020-10-27 17:31:07,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:31:07,829 INFO L481 AbstractCegarLoop]: Abstraction has 2995 states and 3812 transitions. [2020-10-27 17:31:07,829 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:31:07,829 INFO L276 IsEmpty]: Start isEmpty. Operand 2995 states and 3812 transitions. [2020-10-27 17:31:07,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-27 17:31:07,834 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:31:07,834 INFO L422 BasicCegarLoop]: trace histogram [3, 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, 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, 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] [2020-10-27 17:31:07,835 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 17:31:07,835 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:31:07,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:31:07,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1784418682, now seen corresponding path program 1 times [2020-10-27 17:31:07,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:31:07,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2058413952] [2020-10-27 17:31:07,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:31:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:07,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:08,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:08,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-27 17:31:08,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:08,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 428 [2020-10-27 17:31:08,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:08,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:31:08,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-27 17:31:08,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 17:31:08,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:08,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:31:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:08,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:08,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:08,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:31:08,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:08,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:31:08,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:08,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:31:08,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:08,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:31:08,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:08,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:31:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:08,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:08,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:08,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-27 17:31:08,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:08,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-27 17:31:08,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:08,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:31:08,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:08,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-27 17:31:08,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:08,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 17:31:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:08,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:08,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:08,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:31:08,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:08,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-10-27 17:31:08,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:08,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:31:08,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:31:08,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 17:31:08,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:09,022 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 117 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 17:31:09,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2058413952] [2020-10-27 17:31:09,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:31:09,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:31:09,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460291364] [2020-10-27 17:31:09,024 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:31:09,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:31:09,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:31:09,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:31:09,025 INFO L87 Difference]: Start difference. First operand 2995 states and 3812 transitions. Second operand 7 states. [2020-10-27 17:31:12,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:31:12,960 INFO L93 Difference]: Finished difference Result 7585 states and 9935 transitions. [2020-10-27 17:31:12,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 17:31:12,960 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 241 [2020-10-27 17:31:12,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:31:12,983 INFO L225 Difference]: With dead ends: 7585 [2020-10-27 17:31:12,983 INFO L226 Difference]: Without dead ends: 4784 [2020-10-27 17:31:12,992 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 17:31:12,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4784 states. [2020-10-27 17:31:13,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4784 to 4187. [2020-10-27 17:31:13,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4187 states. [2020-10-27 17:31:13,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4187 states to 4187 states and 5204 transitions. [2020-10-27 17:31:13,117 INFO L78 Accepts]: Start accepts. Automaton has 4187 states and 5204 transitions. Word has length 241 [2020-10-27 17:31:13,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:31:13,118 INFO L481 AbstractCegarLoop]: Abstraction has 4187 states and 5204 transitions. [2020-10-27 17:31:13,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:31:13,118 INFO L276 IsEmpty]: Start isEmpty. Operand 4187 states and 5204 transitions. [2020-10-27 17:31:13,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-10-27 17:31:13,123 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:31:13,124 INFO L422 BasicCegarLoop]: trace histogram [3, 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, 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, 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] [2020-10-27 17:31:13,124 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 17:31:13,124 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:31:13,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:31:13,124 INFO L82 PathProgramCache]: Analyzing trace with hash 694375281, now seen corresponding path program 1 times [2020-10-27 17:31:13,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:31:13,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [597322747] [2020-10-27 17:31:13,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:31:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 17:31:13,185 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 17:31:13,185 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 17:31:13,191 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 17:31:13,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:31:13 BoogieIcfgContainer [2020-10-27 17:31:13,251 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 17:31:13,259 INFO L168 Benchmark]: Toolchain (without parser) took 46190.61 ms. Allocated memory was 156.2 MB in the beginning and 702.5 MB in the end (delta: 546.3 MB). Free memory was 127.8 MB in the beginning and 421.8 MB in the end (delta: -293.9 MB). Peak memory consumption was 253.0 MB. Max. memory is 8.0 GB. [2020-10-27 17:31:13,260 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 156.2 MB. Free memory is still 127.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 17:31:13,262 INFO L168 Benchmark]: CACSL2BoogieTranslator took 919.39 ms. Allocated memory is still 156.2 MB. Free memory was 127.2 MB in the beginning and 116.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 30.6 MB. Max. memory is 8.0 GB. [2020-10-27 17:31:13,262 INFO L168 Benchmark]: Boogie Preprocessor took 166.44 ms. Allocated memory is still 156.2 MB. Free memory was 116.7 MB in the beginning and 108.8 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-10-27 17:31:13,265 INFO L168 Benchmark]: RCFGBuilder took 2121.70 ms. Allocated memory was 156.2 MB in the beginning and 187.7 MB in the end (delta: 31.5 MB). Free memory was 108.8 MB in the beginning and 137.2 MB in the end (delta: -28.4 MB). Peak memory consumption was 79.1 MB. Max. memory is 8.0 GB. [2020-10-27 17:31:13,268 INFO L168 Benchmark]: TraceAbstraction took 42968.94 ms. Allocated memory was 187.7 MB in the beginning and 702.5 MB in the end (delta: 514.9 MB). Free memory was 136.7 MB in the beginning and 421.8 MB in the end (delta: -285.1 MB). Peak memory consumption was 229.2 MB. Max. memory is 8.0 GB. [2020-10-27 17:31:13,278 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 156.2 MB. Free memory is still 127.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 919.39 ms. Allocated memory is still 156.2 MB. Free memory was 127.2 MB in the beginning and 116.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 30.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 166.44 ms. Allocated memory is still 156.2 MB. Free memory was 116.7 MB in the beginning and 108.8 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2121.70 ms. Allocated memory was 156.2 MB in the beginning and 187.7 MB in the end (delta: 31.5 MB). Free memory was 108.8 MB in the beginning and 137.2 MB in the end (delta: -28.4 MB). Peak memory consumption was 79.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 42968.94 ms. Allocated memory was 187.7 MB in the beginning and 702.5 MB in the end (delta: 514.9 MB). Free memory was 136.7 MB in the beginning and 421.8 MB in the end (delta: -285.1 MB). Peak memory consumption was 229.2 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 inputA = 1; [L10] int inputD = 4; [L11] int inputB = 2; [L12] int inputE = 5; [L13] int inputF = 6; [L14] int inputC = 3; [L17] int a29 = 130; [L18] int a4 = 1; [L19] int a23 = 312; [L20] int a8 = 15; [L21] int a25 = 10; [L22] int a3 = 1; [L1033] int output = -1; [L1036] COND TRUE 1 [L1039] int input; [L1040] input = __VERIFIER_nondet_int() [L1041] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1044] CALL, EXPR calculate_output(input) [L25] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L28] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L31] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L34] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L37] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L40] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L43] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L46] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L49] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L52] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L55] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L58] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L61] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L64] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L67] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L70] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L73] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L76] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L79] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L82] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L85] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L88] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L91] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L94] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L97] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L100] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L103] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L106] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L109] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L112] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L115] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L118] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L121] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L124] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L127] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L130] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L133] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L136] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L139] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L142] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L145] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L148] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L151] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L154] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L157] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L160] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L163] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L166] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L169] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L172] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L175] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L178] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L181] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L184] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L187] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L190] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L193] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L196] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L199] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L202] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L205] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L209] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L216] COND FALSE !((!(a4==1) && (((a3==1) && ((((((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 4)) && a23 <= -43 )) && (a8==15)))) [L223] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L229] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L235] COND FALSE !((((a8==15) && (((((((a4==1) && 277 < a29 ) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 )) && (input == 6))) && (a3==1))) [L242] COND FALSE !(((((input == 4) && (( a23 <= -43 && ((a25==9) && (!(a4==1) && a29 <= 140 ))) || (((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && ((a25==13) && ( 277 < a29 && (a4==1))))))) && (a8==15)) && (a3==1))) [L249] COND FALSE !((((a3==1) && (!(a4==1) && (( a29 <= 140 && ((input == 1) && ((a25==12) || ((a25==10) || (a25==11))))) && ((-43 < a23) && (138 >= a23)) ))) && (a8==15))) [L256] COND FALSE !(((( ((245 < a29) && (277 >= a29)) && (( a23 <= -43 && (!(a4==1) && (input == 1))) && (a25==11))) && (a8==15)) && (a3==1))) [L262] COND FALSE !(((((a4==1) && (((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && (a8==15))) && 306 < a23 ) && (a3==1))) [L267] COND FALSE !((( 277 < a29 && (((a8==15) && ( a23 <= -43 && ((input == 2) && (a3==1)))) && !(a4==1))) && (a25==13))) [L270] COND FALSE !(( a29 <= 140 && ((((a8==15) && ((a3==1) && ((input == 1) && ((a25==12) || (a25==13))))) && !(a4==1)) && a23 <= -43 ))) [L277] COND FALSE !((((a4==1) && ((a8==15) && (((a3==1) && (((a25==9) || (a25==10)) && (input == 5))) && ((140 < a29) && (245 >= a29)) ))) && 306 < a23 )) [L282] COND FALSE !(((a3==1) && (((((input == 5) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9))))) && (a8==15)) && !(a4==1)) && a23 <= -43 ))) [L289] COND FALSE !(((a8==15) && ((((!(a4==1) && (((a25==12) || (a25==13)) && (input == 4))) && a23 <= -43 ) && a29 <= 140 ) && (a3==1)))) [L296] COND FALSE !(((a8==15) && (!(a4==1) && ( a23 <= -43 && ((a3==1) && ( 277 < a29 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 6)))))))) [L301] COND FALSE !(( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) ))) [L307] COND FALSE !(((((a8==15) && ( a29 <= 140 && ( a23 <= -43 && ((input == 2) && ((a25==10) || (a25==11)))))) && !(a4==1)) && (a3==1))) [L312] COND FALSE !(((a3==1) && ( ((245 < a29) && (277 >= a29)) && (((a4==1) && ((a8==15) && ((((a25==11) || (a25==12)) || (a25==13)) && (input == 5)))) && 306 < a23 )))) [L319] COND FALSE !(((((a8==15) && (((a4==1) && ((input == 2) && ((a25==13) || ((a25==11) || (a25==12))))) && ((245 < a29) && (277 >= a29)) )) && 306 < a23 ) && (a3==1))) [L324] COND FALSE !((( 306 < a23 && ((a8==15) && ((((input == 6) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a4==1))) [L331] COND FALSE !(((((a8==15) && (((((a25==11) || (a25==12)) && (input == 4)) && 306 < a23 ) && (a3==1))) && (a4==1)) && ((140 < a29) && (245 >= a29)) )) [L336] COND FALSE !(( a23 <= -43 && ( ((140 < a29) && (245 >= a29)) && (((a8==15) && (((input == 4) && ((a25==11) || ((a25==9) || (a25==10)))) && !(a4==1))) && (a3==1))))) [L342] COND FALSE !((((((((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ( 277 < a29 && (a25==9))) && (input == 1)) && a23 <= -43 ) && (a8==15)) && !(a4==1)) && (a3==1))) [L348] COND FALSE !((!(a4==1) && ( a29 <= 140 && ((((((a25==12) || (a25==13)) && (input == 2)) && a23 <= -43 ) && (a3==1)) && (a8==15))))) [L355] COND FALSE !(((a8==15) && (( 306 < a23 && ((a3==1) && ((input == 4) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))))) && (a4==1)))) [L360] COND FALSE !(((((input == 3) && (( a23 <= -43 && ((!(a4==1) && a29 <= 140 ) && (a25==9))) || (( 306 < a23 && (( 277 < a29 && (a4==1)) && (a25==12))) || ((((a4==1) && 277 < a29 ) && (a25==13)) && 306 < a23 )))) && (a3==1)) && (a8==15))) [L367] COND FALSE !(( 306 < a23 && ((a4==1) && (((((((a25==11) || (a25==12)) || (a25==13)) && (input == 3)) && (a8==15)) && (a3==1)) && ((245 < a29) && (277 >= a29)) )))) [L372] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((!(a4==1) && (input == 6)) && (a3==1)) && (a25==11)) && (a8==15)) && a23 <= -43 ))) [L379] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && (((a8==15) && ((input == 2) && ((( a29 <= 140 && (a25==13)) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ((a25==10) && ((140 < a29) && (245 >= a29)) )))) && (a3==1))) && !(a4==1))) [L386] COND FALSE !(( a29 <= 140 && ((a8==15) && ((((((a25==10) || (a25==11)) && (input == 3)) && a23 <= -43 ) && (a3==1)) && !(a4==1))))) [L393] COND FALSE !((((((a8==15) && (((input == 3) && (((a25==10) || (a25==11)) || (a25==12))) && (a3==1))) && a23 <= -43 ) && !(a4==1)) && 277 < a29 )) [L400] COND FALSE !(((!(a4==1) && ((a25==9) && ((a8==15) && ((a3==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 1)))))) && a29 <= 140 )) [L413] COND FALSE !(((a8==15) && ((( 306 < a23 && (((((a25==11) || (a25==12)) || (a25==13)) && (input == 6)) && ((245 < a29) && (277 >= a29)) )) && (a4==1)) && (a3==1)))) [L419] COND FALSE !((((((!(a4==1) && ((a8==15) && (input == 2))) && (a3==1)) && ((140 < a29) && (245 >= a29)) ) && (a25==12)) && a23 <= -43 )) [L424] COND FALSE !(( a23 <= -43 && (( a29 <= 140 && ((a8==15) && (!(a4==1) && (((a25==12) || (a25==13)) && (input == 3))))) && (a3==1)))) [L431] COND FALSE !(((((((input == 6) && ((((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ( ((140 < a29) && (245 >= a29)) && (a25==10)))) && (a8==15)) && (a3==1)) && !(a4==1)) && ((-43 < a23) && (138 >= a23)) )) [L438] COND FALSE !(((!(a4==1) && (((((a3==1) && (input == 4)) && (a25==11)) && ((245 < a29) && (277 >= a29)) ) && a23 <= -43 )) && (a8==15))) [L445] COND FALSE !(((a3==1) && ( ((140 < a29) && (245 >= a29)) && ( a23 <= -43 && ((a8==15) && (!(a4==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 3)))))))) [L452] COND FALSE !(((((!(a4==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 4)) && 277 < a29 )) && a23 <= -43 ) && (a8==15)) && (a3==1))) [L458] COND FALSE !(( ((140 < a29) && (245 >= a29)) && ((a8==15) && (((a25==12) && (!(a4==1) && ( a23 <= -43 && (input == 4)))) && (a3==1))))) [L465] COND FALSE !(((a3==1) && ((((((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || (((a25==9) && (!(a4==1) && a29 <= 140 )) && a23 <= -43 )) && (input == 2)) && (a8==15)))) [L472] COND FALSE !(((((input == 5) && (((((a25==12) && ((a4==1) && 277 < a29 )) && 306 < a23 ) || ((( 277 < a29 && (a4==1)) && (a25==13)) && 306 < a23 )) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 ))) && (a8==15)) && (a3==1))) [L479] COND FALSE !(((a25==12) && (((a3==1) && ((((input == 1) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) ) && !(a4==1))) && (a8==15)))) [L489] COND FALSE !((((a8==15) && (( ((-43 < a23) && (138 >= a23)) && ((input == 1) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (((a25==13) && a29 <= 140 ) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))))) && (a3==1))) && !(a4==1))) [L502] COND FALSE !(((a3==1) && ((a8==15) && (((((( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 3)) && !(a4==1)) && a23 <= -43 )))) [L509] COND FALSE !((( a29 <= 140 && ( ((-43 < a23) && (138 >= a23)) && ((a3==1) && ((a8==15) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 2)))))) && !(a4==1))) [L516] COND FALSE !((((a4==1) && ( 306 < a23 && ((((input == 3) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a8==15))) [L528] COND FALSE !(((a4==1) && ((((a3==1) && ( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 4)))) && a29 <= 140 ) && (a8==15)))) [L533] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 5)) && (a3==1))) && (a25==9)) && a29 <= 140 ) && (a8==15))) [L539] COND FALSE !(( 306 < a23 && (((a8==15) && ((((input == 1) && ((a25==11) || (a25==12))) && (a4==1)) && (a3==1))) && ((140 < a29) && (245 >= a29)) ))) [L544] COND FALSE !(((((a8==15) && ( a23 <= -43 && (((input == 1) && ((a25==10) || (a25==11))) && a29 <= 140 ))) && !(a4==1)) && (a3==1))) [L551] COND FALSE !(((( a23 <= -43 && (!(a4==1) && ((a3==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 5))))) && (a8==15)) && ((140 < a29) && (245 >= a29)) )) [L557] COND FALSE !(((a3==1) && ( ((-43 < a23) && (138 >= a23)) && ((a8==15) && ((((((a25==10) || (a25==11)) || (a25==12)) && (input == 5)) && a29 <= 140 ) && !(a4==1)))))) [L563] COND FALSE !(( 306 < a23 && (((a3==1) && ( 277 < a29 && (((input == 4) && (((a25==9) || (a25==10)) || (a25==11))) && (a8==15)))) && (a4==1)))) [L568] COND FALSE !((!(a4==1) && ( a23 <= -43 && ((a8==15) && (((((a25==12) || ((a25==10) || (a25==11))) && (input == 1)) && (a3==1)) && 277 < a29 ))))) [L574] COND FALSE !(( 277 < a29 && (((a25==13) && ( a23 <= -43 && (!(a4==1) && ((input == 1) && (a3==1))))) && (a8==15)))) [L577] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (((a25==9) && ((input == 4) && !(a4==1))) && a29 <= 140 )) && (a3==1)) && (a8==15))) [L583] COND FALSE !(((a8==15) && ((((a3==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 3)) && (a4==1))) && 306 < a23 ) && a29 <= 140 ))) [L588] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && ((a3==1) && (!(a4==1) && ((input == 4) && (((a25==10) && ((140 < a29) && (245 >= a29)) ) || (((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9)))))))) && (a8==15))) [L600] COND FALSE !(((((a8==15) && ((!(a4==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 6))) && (a3==1))) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) )) [L605] COND TRUE ( a29 <= 140 && (((a4==1) && ((a8==15) && (((input == 6) && (((a25==10) || (a25==11)) || (a25==12))) && 306 < a23 ))) && (a3==1))) [L606] COND TRUE (a4==1) [L607] a29 = ((((a29 % 15)+ 262) - -1) + -3) [L608] a23 = ((((a23 - 600285) - 8) + 385102) + -384893) [L609] a4 = 0 [L610] a25 = 12 [L616] return 24; [L1044] RET, EXPR calculate_output(input) [L1044] output = calculate_output(input) [L1036] COND TRUE 1 [L1039] int input; [L1040] input = __VERIFIER_nondet_int() [L1041] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1044] CALL, EXPR calculate_output(input) [L25] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L28] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L31] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L34] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L37] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L40] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L43] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L46] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L49] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L52] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L55] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L58] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L61] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L64] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L67] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L70] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L73] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L76] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L79] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L82] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L85] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L88] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L91] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L94] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L97] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L100] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L103] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L106] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L109] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L112] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L115] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L118] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L121] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L124] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L127] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L130] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L133] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L136] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L139] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L142] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L145] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L148] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L151] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L154] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L157] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L160] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L163] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L166] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L169] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L172] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L175] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L178] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L181] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L184] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L187] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L190] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L193] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L196] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L199] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L202] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L205] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L209] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L216] COND FALSE !((!(a4==1) && (((a3==1) && ((((((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 4)) && a23 <= -43 )) && (a8==15)))) [L223] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L229] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L235] COND FALSE !((((a8==15) && (((((((a4==1) && 277 < a29 ) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 )) && (input == 6))) && (a3==1))) [L242] COND FALSE !(((((input == 4) && (( a23 <= -43 && ((a25==9) && (!(a4==1) && a29 <= 140 ))) || (((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && ((a25==13) && ( 277 < a29 && (a4==1))))))) && (a8==15)) && (a3==1))) [L249] COND FALSE !((((a3==1) && (!(a4==1) && (( a29 <= 140 && ((input == 1) && ((a25==12) || ((a25==10) || (a25==11))))) && ((-43 < a23) && (138 >= a23)) ))) && (a8==15))) [L256] COND FALSE !(((( ((245 < a29) && (277 >= a29)) && (( a23 <= -43 && (!(a4==1) && (input == 1))) && (a25==11))) && (a8==15)) && (a3==1))) [L262] COND FALSE !(((((a4==1) && (((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && (a8==15))) && 306 < a23 ) && (a3==1))) [L267] COND FALSE !((( 277 < a29 && (((a8==15) && ( a23 <= -43 && ((input == 2) && (a3==1)))) && !(a4==1))) && (a25==13))) [L270] COND FALSE !(( a29 <= 140 && ((((a8==15) && ((a3==1) && ((input == 1) && ((a25==12) || (a25==13))))) && !(a4==1)) && a23 <= -43 ))) [L277] COND FALSE !((((a4==1) && ((a8==15) && (((a3==1) && (((a25==9) || (a25==10)) && (input == 5))) && ((140 < a29) && (245 >= a29)) ))) && 306 < a23 )) [L282] COND FALSE !(((a3==1) && (((((input == 5) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9))))) && (a8==15)) && !(a4==1)) && a23 <= -43 ))) [L289] COND FALSE !(((a8==15) && ((((!(a4==1) && (((a25==12) || (a25==13)) && (input == 4))) && a23 <= -43 ) && a29 <= 140 ) && (a3==1)))) [L296] COND FALSE !(((a8==15) && (!(a4==1) && ( a23 <= -43 && ((a3==1) && ( 277 < a29 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 6)))))))) [L301] COND FALSE !(( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) ))) [L307] COND FALSE !(((((a8==15) && ( a29 <= 140 && ( a23 <= -43 && ((input == 2) && ((a25==10) || (a25==11)))))) && !(a4==1)) && (a3==1))) [L312] COND FALSE !(((a3==1) && ( ((245 < a29) && (277 >= a29)) && (((a4==1) && ((a8==15) && ((((a25==11) || (a25==12)) || (a25==13)) && (input == 5)))) && 306 < a23 )))) [L319] COND FALSE !(((((a8==15) && (((a4==1) && ((input == 2) && ((a25==13) || ((a25==11) || (a25==12))))) && ((245 < a29) && (277 >= a29)) )) && 306 < a23 ) && (a3==1))) [L324] COND FALSE !((( 306 < a23 && ((a8==15) && ((((input == 6) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a4==1))) [L331] COND FALSE !(((((a8==15) && (((((a25==11) || (a25==12)) && (input == 4)) && 306 < a23 ) && (a3==1))) && (a4==1)) && ((140 < a29) && (245 >= a29)) )) [L336] COND FALSE !(( a23 <= -43 && ( ((140 < a29) && (245 >= a29)) && (((a8==15) && (((input == 4) && ((a25==11) || ((a25==9) || (a25==10)))) && !(a4==1))) && (a3==1))))) [L342] COND TRUE (((((((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ( 277 < a29 && (a25==9))) && (input == 1)) && a23 <= -43 ) && (a8==15)) && !(a4==1)) && (a3==1)) [L343] a29 = ((((a29 % 299861)- -278) + 162880) - -51725) [L344] a4 = 1 [L345] a25 = 10 [L347] return -1; [L1044] RET, EXPR calculate_output(input) [L1044] output = calculate_output(input) [L1036] COND TRUE 1 [L1039] int input; [L1040] input = __VERIFIER_nondet_int() [L1041] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1044] CALL calculate_output(input) [L25] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L28] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L31] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L34] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L37] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L40] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L43] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L46] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L49] COND TRUE ((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15)) [L50] CALL reach_error() [L4] __assert_fail("0", "Problem11_label15.c", 4, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 296 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 42.8s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 25.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 382 SDtfs, 4383 SDslu, 612 SDs, 0 SdLazy, 11591 SolverSat, 1653 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4187occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 959 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 15.2s InterpolantComputationTime, 1410 NumberOfCodeBlocks, 1410 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1159 ConstructedInterpolants, 0 QuantifiedInterpolants, 1050983 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 454/475 InterpolantCoveringCapability, 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...