/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_label36.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 17:33:45,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 17:33:45,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 17:33:45,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 17:33:45,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 17:33:45,556 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 17:33:45,558 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 17:33:45,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 17:33:45,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 17:33:45,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 17:33:45,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 17:33:45,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 17:33:45,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 17:33:45,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 17:33:45,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 17:33:45,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 17:33:45,589 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 17:33:45,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 17:33:45,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 17:33:45,616 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 17:33:45,622 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 17:33:45,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 17:33:45,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 17:33:45,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 17:33:45,637 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 17:33:45,638 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 17:33:45,639 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 17:33:45,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 17:33:45,641 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 17:33:45,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 17:33:45,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 17:33:45,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 17:33:45,646 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 17:33:45,647 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 17:33:45,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 17:33:45,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 17:33:45,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 17:33:45,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 17:33:45,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 17:33:45,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 17:33:45,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 17:33:45,661 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 17:33:45,714 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 17:33:45,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 17:33:45,718 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 17:33:45,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 17:33:45,719 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 17:33:45,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 17:33:45,719 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 17:33:45,719 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 17:33:45,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 17:33:45,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 17:33:45,721 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 17:33:45,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 17:33:45,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 17:33:45,722 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 17:33:45,722 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 17:33:45,722 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 17:33:45,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 17:33:45,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 17:33:45,723 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 17:33:45,723 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 17:33:45,723 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 17:33:45,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 17:33:45,723 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 17:33:45,724 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 17:33:45,724 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 17:33:45,724 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 17:33:45,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 17:33:45,724 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 17:33:45,725 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 17:33:45,725 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 17:33:46,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 17:33:46,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 17:33:46,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 17:33:46,225 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 17:33:46,226 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 17:33:46,227 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label36.c [2020-10-27 17:33:46,309 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0e7198ae5/874042498cec4fb8966d4ea346793226/FLAG18e4e14ef [2020-10-27 17:33:47,203 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 17:33:47,204 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label36.c [2020-10-27 17:33:47,235 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0e7198ae5/874042498cec4fb8966d4ea346793226/FLAG18e4e14ef [2020-10-27 17:33:47,412 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0e7198ae5/874042498cec4fb8966d4ea346793226 [2020-10-27 17:33:47,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 17:33:47,423 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 17:33:47,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 17:33:47,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 17:33:47,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 17:33:47,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:33:47" (1/1) ... [2020-10-27 17:33:47,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53fb308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:33:47, skipping insertion in model container [2020-10-27 17:33:47,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:33:47" (1/1) ... [2020-10-27 17:33:47,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 17:33:47,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 17:33:48,157 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:33:48,167 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 17:33:48,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:33:48,374 INFO L208 MainTranslator]: Completed translation [2020-10-27 17:33:48,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:33:48 WrapperNode [2020-10-27 17:33:48,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 17:33:48,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 17:33:48,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 17:33:48,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 17:33:48,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:33:48" (1/1) ... [2020-10-27 17:33:48,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:33:48" (1/1) ... [2020-10-27 17:33:48,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:33:48" (1/1) ... [2020-10-27 17:33:48,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:33:48" (1/1) ... [2020-10-27 17:33:48,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:33:48" (1/1) ... [2020-10-27 17:33:48,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:33:48" (1/1) ... [2020-10-27 17:33:48,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:33:48" (1/1) ... [2020-10-27 17:33:48,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 17:33:48,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 17:33:48,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 17:33:48,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 17:33:48,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:33:48" (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 17:33:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 17:33:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 17:33:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 17:33:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 17:33:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 17:33:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 17:33:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 17:33:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 17:33:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 17:33:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 17:33:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 17:33:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 17:33:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 17:33:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 17:33:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 17:33:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 17:33:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 17:33:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 17:33:48,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 17:33:50,580 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 17:33:50,581 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 17:33:50,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:33:50 BoogieIcfgContainer [2020-10-27 17:33:50,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 17:33:50,585 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 17:33:50,585 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 17:33:50,589 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 17:33:50,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:33:47" (1/3) ... [2020-10-27 17:33:50,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ee0a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:33:50, skipping insertion in model container [2020-10-27 17:33:50,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:33:48" (2/3) ... [2020-10-27 17:33:50,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ee0a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:33:50, skipping insertion in model container [2020-10-27 17:33:50,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:33:50" (3/3) ... [2020-10-27 17:33:50,593 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label36.c [2020-10-27 17:33:50,608 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 17:33:50,614 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 17:33:50,631 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 17:33:50,665 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 17:33:50,665 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 17:33:50,666 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 17:33:50,666 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 17:33:50,666 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 17:33:50,666 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 17:33:50,666 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 17:33:50,666 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 17:33:50,694 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-10-27 17:33:50,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-27 17:33:50,701 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:33:50,702 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] [2020-10-27 17:33:50,703 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:33:50,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:33:50,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1554546992, now seen corresponding path program 1 times [2020-10-27 17:33:50,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:33:50,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [469176114] [2020-10-27 17:33:50,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:33:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:50,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:51,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:51,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 17:33:51,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:51,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 502 [2020-10-27 17:33:51,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:51,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 17:33:51,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 17:33:51,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 17:33:51,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 17:33:51,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:33:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:51,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:51,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:51,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:33:51,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:51,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-27 17:33:51,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:51,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:33:51,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:33:51,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:33:51,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:33:51,671 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 17:33:51,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [469176114] [2020-10-27 17:33:51,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 17:33:51,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 17:33:51,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987723836] [2020-10-27 17:33:51,681 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 17:33:51,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:33:51,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 17:33:51,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 17:33:51,705 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 4 states. [2020-10-27 17:33:54,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:33:54,477 INFO L93 Difference]: Finished difference Result 804 states and 1407 transitions. [2020-10-27 17:33:54,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:33:54,485 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-10-27 17:33:54,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:33:54,505 INFO L225 Difference]: With dead ends: 804 [2020-10-27 17:33:54,505 INFO L226 Difference]: Without dead ends: 444 [2020-10-27 17:33:54,515 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 17:33:54,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2020-10-27 17:33:54,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 430. [2020-10-27 17:33:54,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-10-27 17:33:54,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 646 transitions. [2020-10-27 17:33:54,606 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 646 transitions. Word has length 20 [2020-10-27 17:33:54,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:33:54,606 INFO L481 AbstractCegarLoop]: Abstraction has 430 states and 646 transitions. [2020-10-27 17:33:54,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 17:33:54,607 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 646 transitions. [2020-10-27 17:33:54,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-27 17:33:54,611 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:33:54,614 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 17:33:54,615 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 17:33:54,615 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:33:54,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:33:54,616 INFO L82 PathProgramCache]: Analyzing trace with hash 430872528, now seen corresponding path program 1 times [2020-10-27 17:33:54,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:33:54,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [201585846] [2020-10-27 17:33:54,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:33:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:54,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:55,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:56,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:56,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-27 17:33:56,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:33:56,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1640 [2020-10-27 17:33:56,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:56,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:33:56,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-27 17:33:56,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 17:33:56,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 17:33:56,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:33:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:56,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:56,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:56,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:33:56,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:56,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 17:33:56,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:56,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:33:56,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:33:56,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:33:56,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:56,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:33:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:56,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:56,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:56,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 17:33:56,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:56,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-27 17:33:56,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:56,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:33:56,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:33:56,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-27 17:33:56,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:56,684 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:33:56,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [201585846] [2020-10-27 17:33:56,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:33:56,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:33:56,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520905067] [2020-10-27 17:33:56,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:33:56,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:33:56,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:33:56,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:33:56,692 INFO L87 Difference]: Start difference. First operand 430 states and 646 transitions. Second operand 5 states. [2020-10-27 17:33:59,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:33:59,616 INFO L93 Difference]: Finished difference Result 1056 states and 1627 transitions. [2020-10-27 17:33:59,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:33:59,618 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 90 [2020-10-27 17:33:59,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:33:59,625 INFO L225 Difference]: With dead ends: 1056 [2020-10-27 17:33:59,625 INFO L226 Difference]: Without dead ends: 632 [2020-10-27 17:33:59,627 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 17:33:59,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2020-10-27 17:33:59,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 621. [2020-10-27 17:33:59,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2020-10-27 17:33:59,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 894 transitions. [2020-10-27 17:33:59,676 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 894 transitions. Word has length 90 [2020-10-27 17:33:59,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:33:59,677 INFO L481 AbstractCegarLoop]: Abstraction has 621 states and 894 transitions. [2020-10-27 17:33:59,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:33:59,677 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 894 transitions. [2020-10-27 17:33:59,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-27 17:33:59,681 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:33:59,681 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 17:33:59,682 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 17:33:59,682 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:33:59,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:33:59,682 INFO L82 PathProgramCache]: Analyzing trace with hash 920838344, now seen corresponding path program 1 times [2020-10-27 17:33:59,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:33:59,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1930470131] [2020-10-27 17:33:59,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:33:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:59,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:59,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:00,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:01,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:01,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-27 17:34:01,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:34:01,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1456 [2020-10-27 17:34:01,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:01,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:34:01,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-27 17:34:01,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 17:34:01,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:01,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:34:01,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:01,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:01,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:01,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:34:01,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:01,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:34:01,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:01,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:01,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:01,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:01,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:01,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:34:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:01,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:01,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:01,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 17:34:01,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:01,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-27 17:34:01,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:01,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:34:01,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:01,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 17:34:01,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:01,502 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:34:01,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1930470131] [2020-10-27 17:34:01,503 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:34:01,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:34:01,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551931714] [2020-10-27 17:34:01,504 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:34:01,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:34:01,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:34:01,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:34:01,508 INFO L87 Difference]: Start difference. First operand 621 states and 894 transitions. Second operand 5 states. [2020-10-27 17:34:03,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:34:03,380 INFO L93 Difference]: Finished difference Result 1251 states and 1809 transitions. [2020-10-27 17:34:03,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:34:03,382 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 94 [2020-10-27 17:34:03,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:34:03,387 INFO L225 Difference]: With dead ends: 1251 [2020-10-27 17:34:03,387 INFO L226 Difference]: Without dead ends: 627 [2020-10-27 17:34:03,389 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 17:34:03,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2020-10-27 17:34:03,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 621. [2020-10-27 17:34:03,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2020-10-27 17:34:03,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 891 transitions. [2020-10-27 17:34:03,435 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 891 transitions. Word has length 94 [2020-10-27 17:34:03,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:34:03,438 INFO L481 AbstractCegarLoop]: Abstraction has 621 states and 891 transitions. [2020-10-27 17:34:03,438 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:34:03,438 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 891 transitions. [2020-10-27 17:34:03,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-27 17:34:03,451 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:34:03,452 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 17:34:03,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 17:34:03,452 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:34:03,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:34:03,453 INFO L82 PathProgramCache]: Analyzing trace with hash -194543384, now seen corresponding path program 1 times [2020-10-27 17:34:03,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:34:03,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1982843005] [2020-10-27 17:34:03,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:34:03,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:03,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:03,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:04,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:04,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 17:34:04,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:34:04,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 928 [2020-10-27 17:34:04,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:04,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:34:04,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-27 17:34:04,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 17:34:04,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:04,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:34:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:04,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:04,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:04,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:34:04,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:04,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:34:04,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:04,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:04,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:04,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:04,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:04,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:34:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:04,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:04,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:04,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-27 17:34:04,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:04,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-27 17:34:04,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:04,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:34:04,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:04,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 17:34:04,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:04,704 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:34:04,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1982843005] [2020-10-27 17:34:04,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:34:04,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:34:04,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981828979] [2020-10-27 17:34:04,708 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:34:04,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:34:04,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:34:04,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:34:04,719 INFO L87 Difference]: Start difference. First operand 621 states and 891 transitions. Second operand 5 states. [2020-10-27 17:34:07,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:34:07,464 INFO L93 Difference]: Finished difference Result 1443 states and 2126 transitions. [2020-10-27 17:34:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:34:07,491 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 95 [2020-10-27 17:34:07,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:34:07,499 INFO L225 Difference]: With dead ends: 1443 [2020-10-27 17:34:07,499 INFO L226 Difference]: Without dead ends: 828 [2020-10-27 17:34:07,502 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 17:34:07,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2020-10-27 17:34:07,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 815. [2020-10-27 17:34:07,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 815 states. [2020-10-27 17:34:07,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 1145 transitions. [2020-10-27 17:34:07,558 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 1145 transitions. Word has length 95 [2020-10-27 17:34:07,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:34:07,562 INFO L481 AbstractCegarLoop]: Abstraction has 815 states and 1145 transitions. [2020-10-27 17:34:07,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:34:07,563 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1145 transitions. [2020-10-27 17:34:07,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-27 17:34:07,567 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:34:07,567 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 17:34:07,568 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 17:34:07,569 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:34:07,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:34:07,569 INFO L82 PathProgramCache]: Analyzing trace with hash 909870292, now seen corresponding path program 1 times [2020-10-27 17:34:07,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:34:07,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [101425445] [2020-10-27 17:34:07,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:34:07,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:07,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:07,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:08,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:08,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:08,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 17:34:08,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:34:08,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 965 [2020-10-27 17:34:08,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:08,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:34:08,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-27 17:34:08,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 17:34:08,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:08,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:34:08,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:08,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:08,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:08,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:34:08,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:08,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:34:08,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:08,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:08,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:08,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:08,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:08,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:34:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:08,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:08,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:08,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-27 17:34:08,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:08,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-27 17:34:08,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:08,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:34:08,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:08,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-27 17:34:08,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:08,859 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:34:08,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [101425445] [2020-10-27 17:34:08,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:34:08,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:34:08,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560848402] [2020-10-27 17:34:08,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:34:08,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:34:08,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:34:08,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:34:08,863 INFO L87 Difference]: Start difference. First operand 815 states and 1145 transitions. Second operand 5 states. [2020-10-27 17:34:11,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:34:11,855 INFO L93 Difference]: Finished difference Result 2391 states and 3428 transitions. [2020-10-27 17:34:11,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:34:11,856 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 105 [2020-10-27 17:34:11,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:34:11,869 INFO L225 Difference]: With dead ends: 2391 [2020-10-27 17:34:11,869 INFO L226 Difference]: Without dead ends: 1582 [2020-10-27 17:34:11,873 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 17:34:11,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2020-10-27 17:34:11,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1574. [2020-10-27 17:34:11,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1574 states. [2020-10-27 17:34:11,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1574 states to 1574 states and 2098 transitions. [2020-10-27 17:34:11,939 INFO L78 Accepts]: Start accepts. Automaton has 1574 states and 2098 transitions. Word has length 105 [2020-10-27 17:34:11,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:34:11,940 INFO L481 AbstractCegarLoop]: Abstraction has 1574 states and 2098 transitions. [2020-10-27 17:34:11,940 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:34:11,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1574 states and 2098 transitions. [2020-10-27 17:34:11,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-27 17:34:11,941 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:34:11,942 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 17:34:11,942 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 17:34:11,942 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:34:11,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:34:11,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1308198056, now seen corresponding path program 1 times [2020-10-27 17:34:11,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:34:11,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2107696353] [2020-10-27 17:34:11,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:34:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:12,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:12,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:12,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:12,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:12,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-27 17:34:12,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:34:12,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 901 [2020-10-27 17:34:12,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:12,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:34:12,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-27 17:34:12,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 17:34:12,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:12,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:34:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:12,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:12,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:12,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:34:12,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:12,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:34:12,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:12,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:12,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:12,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:12,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:13,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:34:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:13,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:13,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:13,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 17:34:13,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:13,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-27 17:34:13,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:13,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:34:13,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:13,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-27 17:34:13,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:13,158 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:34:13,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2107696353] [2020-10-27 17:34:13,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:34:13,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:34:13,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590491339] [2020-10-27 17:34:13,161 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:34:13,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:34:13,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:34:13,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:34:13,162 INFO L87 Difference]: Start difference. First operand 1574 states and 2098 transitions. Second operand 5 states. [2020-10-27 17:34:15,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:34:15,594 INFO L93 Difference]: Finished difference Result 4671 states and 6375 transitions. [2020-10-27 17:34:15,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:34:15,595 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 110 [2020-10-27 17:34:15,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:34:15,615 INFO L225 Difference]: With dead ends: 4671 [2020-10-27 17:34:15,615 INFO L226 Difference]: Without dead ends: 3103 [2020-10-27 17:34:15,622 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 17:34:15,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3103 states. [2020-10-27 17:34:15,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3103 to 3097. [2020-10-27 17:34:15,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3097 states. [2020-10-27 17:34:15,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3097 states to 3097 states and 4046 transitions. [2020-10-27 17:34:15,742 INFO L78 Accepts]: Start accepts. Automaton has 3097 states and 4046 transitions. Word has length 110 [2020-10-27 17:34:15,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:34:15,742 INFO L481 AbstractCegarLoop]: Abstraction has 3097 states and 4046 transitions. [2020-10-27 17:34:15,742 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:34:15,742 INFO L276 IsEmpty]: Start isEmpty. Operand 3097 states and 4046 transitions. [2020-10-27 17:34:15,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-27 17:34:15,745 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:34:15,745 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:34:15,745 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 17:34:15,745 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:34:15,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:34:15,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1841702674, now seen corresponding path program 1 times [2020-10-27 17:34:15,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:34:15,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [37934355] [2020-10-27 17:34:15,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:34:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:15,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:15,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:16,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:17,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:17,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-27 17:34:17,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:34:17,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1780 [2020-10-27 17:34:17,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:17,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:34:17,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-27 17:34:17,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 17:34:17,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:17,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:34:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:17,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:17,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:17,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:34:17,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:17,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:34:17,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:17,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:17,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:17,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:17,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:17,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:34:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:17,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:17,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:17,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-27 17:34:17,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:17,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-27 17:34:17,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:17,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:34:17,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:17,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 17:34:17,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:34:17,878 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:34:17,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [37934355] [2020-10-27 17:34:17,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:34:17,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:34:17,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874982143] [2020-10-27 17:34:17,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:34:17,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:34:17,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:34:17,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:34:17,881 INFO L87 Difference]: Start difference. First operand 3097 states and 4046 transitions. Second operand 5 states. [2020-10-27 17:34:20,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:34:20,572 INFO L93 Difference]: Finished difference Result 7902 states and 10543 transitions. [2020-10-27 17:34:20,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:34:20,580 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2020-10-27 17:34:20,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:34:20,609 INFO L225 Difference]: With dead ends: 7902 [2020-10-27 17:34:20,609 INFO L226 Difference]: Without dead ends: 4811 [2020-10-27 17:34:20,619 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 17:34:20,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4811 states. [2020-10-27 17:34:20,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4811 to 4429. [2020-10-27 17:34:20,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4429 states. [2020-10-27 17:34:20,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4429 states to 4429 states and 5809 transitions. [2020-10-27 17:34:20,769 INFO L78 Accepts]: Start accepts. Automaton has 4429 states and 5809 transitions. Word has length 122 [2020-10-27 17:34:20,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:34:20,770 INFO L481 AbstractCegarLoop]: Abstraction has 4429 states and 5809 transitions. [2020-10-27 17:34:20,770 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:34:20,770 INFO L276 IsEmpty]: Start isEmpty. Operand 4429 states and 5809 transitions. [2020-10-27 17:34:20,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-27 17:34:20,772 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:34:20,773 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:34:20,773 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 17:34:20,773 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:34:20,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:34:20,774 INFO L82 PathProgramCache]: Analyzing trace with hash -1902392831, now seen corresponding path program 1 times [2020-10-27 17:34:20,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:34:20,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1168946600] [2020-10-27 17:34:20,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:34:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:20,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:21,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:21,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:21,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 17:34:21,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:34:21,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 954 [2020-10-27 17:34:21,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:21,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:34:21,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 116 [2020-10-27 17:34:21,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 17:34:21,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:21,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:34:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:21,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:21,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:21,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:34:21,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:21,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 17:34:21,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:21,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:21,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:21,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:21,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:21,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:34:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:21,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:22,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:22,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 17:34:22,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:22,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-27 17:34:22,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:22,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:34:22,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:22,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-27 17:34:22,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:22,127 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:34:22,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1168946600] [2020-10-27 17:34:22,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:34:22,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:34:22,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536665680] [2020-10-27 17:34:22,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:34:22,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:34:22,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:34:22,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:34:22,130 INFO L87 Difference]: Start difference. First operand 4429 states and 5809 transitions. Second operand 5 states. [2020-10-27 17:34:24,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:34:24,746 INFO L93 Difference]: Finished difference Result 9433 states and 12592 transitions. [2020-10-27 17:34:24,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:34:24,748 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 126 [2020-10-27 17:34:24,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:34:24,774 INFO L225 Difference]: With dead ends: 9433 [2020-10-27 17:34:24,774 INFO L226 Difference]: Without dead ends: 5010 [2020-10-27 17:34:24,787 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 17:34:24,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5010 states. [2020-10-27 17:34:24,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5010 to 4999. [2020-10-27 17:34:24,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4999 states. [2020-10-27 17:34:24,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4999 states to 4999 states and 6689 transitions. [2020-10-27 17:34:24,968 INFO L78 Accepts]: Start accepts. Automaton has 4999 states and 6689 transitions. Word has length 126 [2020-10-27 17:34:24,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:34:24,969 INFO L481 AbstractCegarLoop]: Abstraction has 4999 states and 6689 transitions. [2020-10-27 17:34:24,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:34:24,969 INFO L276 IsEmpty]: Start isEmpty. Operand 4999 states and 6689 transitions. [2020-10-27 17:34:24,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-27 17:34:24,972 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:34:24,973 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:34:24,973 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 17:34:24,973 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:34:24,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:34:24,974 INFO L82 PathProgramCache]: Analyzing trace with hash 122848563, now seen corresponding path program 1 times [2020-10-27 17:34:24,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:34:24,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1335973791] [2020-10-27 17:34:24,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:34:25,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:25,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:25,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:26,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:26,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-27 17:34:26,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:34:26,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1034 [2020-10-27 17:34:26,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:26,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:34:26,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 123 [2020-10-27 17:34:26,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 17:34:26,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:26,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:34:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:26,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:26,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:26,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:34:26,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:26,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 17:34:26,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:26,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:26,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:26,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:26,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:26,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:34:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:26,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:26,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:26,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-27 17:34:26,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:26,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-27 17:34:26,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:26,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:34:26,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:26,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-27 17:34:26,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:26,445 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:34:26,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1335973791] [2020-10-27 17:34:26,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:34:26,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:34:26,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98455405] [2020-10-27 17:34:26,448 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:34:26,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:34:26,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:34:26,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:34:26,454 INFO L87 Difference]: Start difference. First operand 4999 states and 6689 transitions. Second operand 5 states. [2020-10-27 17:34:28,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:34:28,844 INFO L93 Difference]: Finished difference Result 11525 states and 15687 transitions. [2020-10-27 17:34:28,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:34:28,845 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2020-10-27 17:34:28,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:34:28,880 INFO L225 Difference]: With dead ends: 11525 [2020-10-27 17:34:28,880 INFO L226 Difference]: Without dead ends: 6532 [2020-10-27 17:34:28,895 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 17:34:28,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6532 states. [2020-10-27 17:34:29,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6532 to 6519. [2020-10-27 17:34:29,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6519 states. [2020-10-27 17:34:29,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6519 states to 6519 states and 8829 transitions. [2020-10-27 17:34:29,145 INFO L78 Accepts]: Start accepts. Automaton has 6519 states and 8829 transitions. Word has length 134 [2020-10-27 17:34:29,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:34:29,146 INFO L481 AbstractCegarLoop]: Abstraction has 6519 states and 8829 transitions. [2020-10-27 17:34:29,146 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:34:29,146 INFO L276 IsEmpty]: Start isEmpty. Operand 6519 states and 8829 transitions. [2020-10-27 17:34:29,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-27 17:34:29,151 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:34:29,151 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:34:29,151 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 17:34:29,152 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:34:29,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:34:29,152 INFO L82 PathProgramCache]: Analyzing trace with hash 609704041, now seen corresponding path program 1 times [2020-10-27 17:34:29,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:34:29,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1877134239] [2020-10-27 17:34:29,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:34:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:29,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:29,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:30,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:30,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-27 17:34:30,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:34:30,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 874 [2020-10-27 17:34:30,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:30,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:34:30,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 147 [2020-10-27 17:34:30,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 17:34:30,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:30,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:34:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:30,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:30,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:30,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:34:30,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:30,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 17:34:30,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:30,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:30,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:30,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:30,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:30,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:34:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:30,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:30,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:30,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 17:34:30,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:30,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 207 [2020-10-27 17:34:30,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:30,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:34:30,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:30,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-27 17:34:30,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:34:30,637 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:34:30,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1877134239] [2020-10-27 17:34:30,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:34:30,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:34:30,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025788912] [2020-10-27 17:34:30,639 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:34:30,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:34:30,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:34:30,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:34:30,641 INFO L87 Difference]: Start difference. First operand 6519 states and 8829 transitions. Second operand 5 states. [2020-10-27 17:34:33,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:34:33,379 INFO L93 Difference]: Finished difference Result 15132 states and 21145 transitions. [2020-10-27 17:34:33,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:34:33,380 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 157 [2020-10-27 17:34:33,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:34:33,425 INFO L225 Difference]: With dead ends: 15132 [2020-10-27 17:34:33,425 INFO L226 Difference]: Without dead ends: 8619 [2020-10-27 17:34:33,442 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 17:34:33,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8619 states. [2020-10-27 17:34:33,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8619 to 8609. [2020-10-27 17:34:33,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8609 states. [2020-10-27 17:34:33,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8609 states to 8609 states and 11359 transitions. [2020-10-27 17:34:33,698 INFO L78 Accepts]: Start accepts. Automaton has 8609 states and 11359 transitions. Word has length 157 [2020-10-27 17:34:33,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:34:33,699 INFO L481 AbstractCegarLoop]: Abstraction has 8609 states and 11359 transitions. [2020-10-27 17:34:33,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:34:33,699 INFO L276 IsEmpty]: Start isEmpty. Operand 8609 states and 11359 transitions. [2020-10-27 17:34:33,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-27 17:34:33,708 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:34:33,709 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 17:34:33,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 17:34:33,709 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:34:33,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:34:33,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1683812118, now seen corresponding path program 1 times [2020-10-27 17:34:33,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:34:33,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2093045538] [2020-10-27 17:34:33,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:34:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 17:34:33,781 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 17:34:33,781 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 17:34:33,788 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 17:34:33,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:34:33 BoogieIcfgContainer [2020-10-27 17:34:33,849 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 17:34:33,853 INFO L168 Benchmark]: Toolchain (without parser) took 46433.74 ms. Allocated memory was 159.4 MB in the beginning and 716.2 MB in the end (delta: 556.8 MB). Free memory was 130.4 MB in the beginning and 532.8 MB in the end (delta: -402.4 MB). Peak memory consumption was 154.5 MB. Max. memory is 8.0 GB. [2020-10-27 17:34:33,853 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 159.4 MB. Free memory is still 131.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 17:34:33,854 INFO L168 Benchmark]: CACSL2BoogieTranslator took 947.96 ms. Allocated memory is still 159.4 MB. Free memory was 129.8 MB in the beginning and 120.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 31.5 MB. Max. memory is 8.0 GB. [2020-10-27 17:34:33,857 INFO L168 Benchmark]: Boogie Preprocessor took 220.69 ms. Allocated memory is still 159.4 MB. Free memory was 120.6 MB in the beginning and 113.2 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-10-27 17:34:33,861 INFO L168 Benchmark]: RCFGBuilder took 1986.09 ms. Allocated memory was 159.4 MB in the beginning and 191.9 MB in the end (delta: 32.5 MB). Free memory was 113.2 MB in the beginning and 140.7 MB in the end (delta: -27.4 MB). Peak memory consumption was 80.0 MB. Max. memory is 8.0 GB. [2020-10-27 17:34:33,862 INFO L168 Benchmark]: TraceAbstraction took 43264.07 ms. Allocated memory was 191.9 MB in the beginning and 716.2 MB in the end (delta: 524.3 MB). Free memory was 140.1 MB in the beginning and 532.8 MB in the end (delta: -392.7 MB). Peak memory consumption was 131.1 MB. Max. memory is 8.0 GB. [2020-10-27 17:34:33,871 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 159.4 MB. Free memory is still 131.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 947.96 ms. Allocated memory is still 159.4 MB. Free memory was 129.8 MB in the beginning and 120.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 31.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 220.69 ms. Allocated memory is still 159.4 MB. Free memory was 120.6 MB in the beginning and 113.2 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1986.09 ms. Allocated memory was 159.4 MB in the beginning and 191.9 MB in the end (delta: 32.5 MB). Free memory was 113.2 MB in the beginning and 140.7 MB in the end (delta: -27.4 MB). Peak memory consumption was 80.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 43264.07 ms. Allocated memory was 191.9 MB in the beginning and 716.2 MB in the end (delta: 524.3 MB). Free memory was 140.1 MB in the beginning and 532.8 MB in the end (delta: -392.7 MB). Peak memory consumption was 131.1 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 TRUE ((a4==1) && ((((a3==1) && ( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 4)))) && a29 <= 140 ) && (a8==15))) [L529] a29 = (((((a29 % 52)- -193) * 5) % 52)- -169) [L530] a25 = 12 [L532] return 26; [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 TRUE ( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) )) [L302] a29 = ((((a29 + 107715) * 10)/ 9) - -27123) [L303] a23 = ((((a23 % 90)+ -31) - 5) + 32) [L304] a25 = 11 [L306] 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 TRUE ((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15)) [L47] CALL reach_error() [L4] __assert_fail("0", "Problem11_label36.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: 43.1s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 26.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 427 SDtfs, 5311 SDslu, 477 SDs, 0 SdLazy, 10629 SolverSat, 1199 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 106 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8609occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 474 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 14.3s InterpolantComputationTime, 1273 NumberOfCodeBlocks, 1273 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1043 ConstructedInterpolants, 0 QuantifiedInterpolants, 258108 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 99/108 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...