/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=SHALLOWEST --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_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-26 22:38:01,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 22:38:01,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 22:38:01,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 22:38:01,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 22:38:01,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 22:38:01,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 22:38:01,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 22:38:01,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 22:38:01,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 22:38:01,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 22:38:01,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 22:38:01,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 22:38:01,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 22:38:01,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 22:38:01,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 22:38:01,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 22:38:01,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 22:38:01,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 22:38:01,583 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 22:38:01,584 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 22:38:01,591 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 22:38:01,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 22:38:01,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 22:38:01,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 22:38:01,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 22:38:01,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 22:38:01,606 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 22:38:01,607 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 22:38:01,608 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 22:38:01,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 22:38:01,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 22:38:01,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 22:38:01,612 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 22:38:01,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 22:38:01,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 22:38:01,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 22:38:01,614 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 22:38:01,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 22:38:01,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 22:38:01,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 22:38:01,624 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 [2020-10-26 22:38:01,673 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 22:38:01,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 22:38:01,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 22:38:01,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 22:38:01,678 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 22:38:01,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 22:38:01,679 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 22:38:01,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 22:38:01,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 22:38:01,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 22:38:01,680 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 22:38:01,681 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 22:38:01,681 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 22:38:01,681 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 22:38:01,681 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 22:38:01,681 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 22:38:01,682 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 22:38:01,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 22:38:01,682 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 22:38:01,682 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 22:38:01,682 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 22:38:01,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 22:38:01,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 22:38:01,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 22:38:01,683 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 22:38:01,683 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 22:38:01,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 22:38:01,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 22:38:01,684 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 22:38:01,684 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-26 22:38:02,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 22:38:02,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 22:38:02,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 22:38:02,129 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 22:38:02,130 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 22:38:02,132 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label20.c [2020-10-26 22:38:02,230 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f76ebaf89/9425eaef2a034f50ab08fa4461f608c2/FLAGea44641e8 [2020-10-26 22:38:03,102 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 22:38:03,103 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label20.c [2020-10-26 22:38:03,117 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f76ebaf89/9425eaef2a034f50ab08fa4461f608c2/FLAGea44641e8 [2020-10-26 22:38:03,277 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f76ebaf89/9425eaef2a034f50ab08fa4461f608c2 [2020-10-26 22:38:03,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 22:38:03,288 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-26 22:38:03,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 22:38:03,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 22:38:03,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 22:38:03,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:38:03" (1/1) ... [2020-10-26 22:38:03,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@535a338a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:38:03, skipping insertion in model container [2020-10-26 22:38:03,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:38:03" (1/1) ... [2020-10-26 22:38:03,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 22:38:03,394 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 22:38:04,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 22:38:04,169 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 22:38:04,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 22:38:04,385 INFO L208 MainTranslator]: Completed translation [2020-10-26 22:38:04,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:38:04 WrapperNode [2020-10-26 22:38:04,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 22:38:04,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 22:38:04,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 22:38:04,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 22:38:04,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:38:04" (1/1) ... [2020-10-26 22:38:04,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:38:04" (1/1) ... [2020-10-26 22:38:04,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:38:04" (1/1) ... [2020-10-26 22:38:04,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:38:04" (1/1) ... [2020-10-26 22:38:04,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:38:04" (1/1) ... [2020-10-26 22:38:04,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:38:04" (1/1) ... [2020-10-26 22:38:04,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:38:04" (1/1) ... [2020-10-26 22:38:04,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 22:38:04,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 22:38:04,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 22:38:04,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 22:38:04,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:38:04" (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 [2020-10-26 22:38:04,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 22:38:04,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 22:38:04,661 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-26 22:38:04,661 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-26 22:38:04,661 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 22:38:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-26 22:38:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-26 22:38:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-26 22:38:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-26 22:38:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 22:38:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-26 22:38:04,663 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-26 22:38:04,663 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 22:38:04,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 22:38:04,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 22:38:04,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 22:38:04,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 22:38:04,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 22:38:04,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 22:38:07,117 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 22:38:07,118 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-26 22:38:07,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:38:07 BoogieIcfgContainer [2020-10-26 22:38:07,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 22:38:07,128 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 22:38:07,128 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 22:38:07,132 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 22:38:07,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:38:03" (1/3) ... [2020-10-26 22:38:07,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f716a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:38:07, skipping insertion in model container [2020-10-26 22:38:07,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:38:04" (2/3) ... [2020-10-26 22:38:07,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f716a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:38:07, skipping insertion in model container [2020-10-26 22:38:07,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:38:07" (3/3) ... [2020-10-26 22:38:07,137 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label20.c [2020-10-26 22:38:07,184 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-26 22:38:07,192 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-26 22:38:07,208 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-26 22:38:07,255 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 22:38:07,255 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 22:38:07,255 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-26 22:38:07,256 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 22:38:07,256 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 22:38:07,256 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 22:38:07,256 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 22:38:07,256 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 22:38:07,300 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-10-26 22:38:07,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-26 22:38:07,307 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:38:07,308 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:38:07,308 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:38:07,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:38:07,318 INFO L82 PathProgramCache]: Analyzing trace with hash 130894752, now seen corresponding path program 1 times [2020-10-26 22:38:07,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:38:07,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1071087053] [2020-10-26 22:38:07,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:38:07,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:07,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:08,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:08,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-26 22:38:08,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:08,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 610 [2020-10-26 22:38:08,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:08,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:38:08,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:38:08,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-26 22:38:08,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-26 22:38:08,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:38:08,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:08,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:08,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:08,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:38:08,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:08,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-26 22:38:08,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:08,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:38:08,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:38:08,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:38:08,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:38:08,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:38:08,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1071087053] [2020-10-26 22:38:08,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 22:38:08,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 22:38:08,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158871151] [2020-10-26 22:38:08,362 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 22:38:08,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:38:08,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 22:38:08,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 22:38:08,385 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 4 states. [2020-10-26 22:38:11,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:38:11,547 INFO L93 Difference]: Finished difference Result 796 states and 1392 transitions. [2020-10-26 22:38:11,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:38:11,553 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-26 22:38:11,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:38:11,579 INFO L225 Difference]: With dead ends: 796 [2020-10-26 22:38:11,580 INFO L226 Difference]: Without dead ends: 435 [2020-10-26 22:38:11,592 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 [2020-10-26 22:38:11,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2020-10-26 22:38:11,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 431. [2020-10-26 22:38:11,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2020-10-26 22:38:11,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 619 transitions. [2020-10-26 22:38:11,692 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 619 transitions. Word has length 16 [2020-10-26 22:38:11,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:38:11,693 INFO L481 AbstractCegarLoop]: Abstraction has 431 states and 619 transitions. [2020-10-26 22:38:11,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 22:38:11,694 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 619 transitions. [2020-10-26 22:38:11,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-26 22:38:11,699 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:38:11,700 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-26 22:38:11,700 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 22:38:11,700 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:38:11,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:38:11,701 INFO L82 PathProgramCache]: Analyzing trace with hash 310396, now seen corresponding path program 1 times [2020-10-26 22:38:11,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:38:11,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1046529156] [2020-10-26 22:38:11,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:38:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:11,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:12,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:13,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:13,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-26 22:38:13,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:38:13,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1464 [2020-10-26 22:38:13,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:13,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:38:13,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:38:13,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-26 22:38:13,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:38:13,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:38:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:13,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:13,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:13,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:38:13,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:13,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-26 22:38:13,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:13,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:38:13,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:38:13,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:38:13,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:38:13,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:38:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:13,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:13,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:13,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-26 22:38:13,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:13,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-10-26 22:38:13,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:13,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:38:13,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:38:13,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-26 22:38:13,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:13,813 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:38:13,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1046529156] [2020-10-26 22:38:13,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 22:38:13,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 22:38:13,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034825648] [2020-10-26 22:38:13,817 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:38:13,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:38:13,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:38:13,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:38:13,821 INFO L87 Difference]: Start difference. First operand 431 states and 619 transitions. Second operand 7 states. [2020-10-26 22:38:17,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:38:17,633 INFO L93 Difference]: Finished difference Result 1287 states and 1883 transitions. [2020-10-26 22:38:17,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:38:17,634 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2020-10-26 22:38:17,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:38:17,640 INFO L225 Difference]: With dead ends: 1287 [2020-10-26 22:38:17,641 INFO L226 Difference]: Without dead ends: 862 [2020-10-26 22:38:17,643 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:38:17,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 862 states. [2020-10-26 22:38:17,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 862 to 828. [2020-10-26 22:38:17,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2020-10-26 22:38:17,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1110 transitions. [2020-10-26 22:38:17,717 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1110 transitions. Word has length 88 [2020-10-26 22:38:17,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:38:17,718 INFO L481 AbstractCegarLoop]: Abstraction has 828 states and 1110 transitions. [2020-10-26 22:38:17,718 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:38:17,718 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1110 transitions. [2020-10-26 22:38:17,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-26 22:38:17,725 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:38:17,725 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-26 22:38:17,725 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 22:38:17,726 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:38:17,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:38:17,727 INFO L82 PathProgramCache]: Analyzing trace with hash 976717420, now seen corresponding path program 1 times [2020-10-26 22:38:17,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:38:17,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1399165032] [2020-10-26 22:38:17,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:38:17,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:17,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:18,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:18,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:18,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-26 22:38:18,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:38:18,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1025 [2020-10-26 22:38:18,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:18,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:38:18,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:38:18,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-26 22:38:18,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:18,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:38:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:18,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:18,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:18,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:38:18,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:18,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-26 22:38:18,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:18,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:38:18,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:38:18,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:38:18,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-26 22:38:18,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:38:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:19,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:19,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:19,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-26 22:38:19,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:19,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-10-26 22:38:19,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:19,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:38:19,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:38:19,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-26 22:38:19,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:19,350 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:38:19,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1399165032] [2020-10-26 22:38:19,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 22:38:19,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 22:38:19,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319216929] [2020-10-26 22:38:19,352 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:38:19,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:38:19,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:38:19,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:38:19,355 INFO L87 Difference]: Start difference. First operand 828 states and 1110 transitions. Second operand 7 states. [2020-10-26 22:38:22,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:38:22,850 INFO L93 Difference]: Finished difference Result 2078 states and 2749 transitions. [2020-10-26 22:38:22,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 22:38:22,852 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 96 [2020-10-26 22:38:22,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:38:22,860 INFO L225 Difference]: With dead ends: 2078 [2020-10-26 22:38:22,861 INFO L226 Difference]: Without dead ends: 1256 [2020-10-26 22:38:22,864 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-26 22:38:22,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2020-10-26 22:38:22,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1222. [2020-10-26 22:38:22,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1222 states. [2020-10-26 22:38:22,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1222 states and 1548 transitions. [2020-10-26 22:38:22,917 INFO L78 Accepts]: Start accepts. Automaton has 1222 states and 1548 transitions. Word has length 96 [2020-10-26 22:38:22,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:38:22,917 INFO L481 AbstractCegarLoop]: Abstraction has 1222 states and 1548 transitions. [2020-10-26 22:38:22,918 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:38:22,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1548 transitions. [2020-10-26 22:38:22,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-26 22:38:22,921 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:38:22,921 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-26 22:38:22,922 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 22:38:22,922 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:38:22,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:38:22,923 INFO L82 PathProgramCache]: Analyzing trace with hash -332779533, now seen corresponding path program 1 times [2020-10-26 22:38:22,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:38:22,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1244964113] [2020-10-26 22:38:22,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:38:22,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:23,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:23,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:23,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-10-26 22:38:23,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:23,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 388 [2020-10-26 22:38:23,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:23,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:38:23,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-26 22:38:23,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-26 22:38:23,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:23,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:38:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:23,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:23,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:23,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:38:23,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:23,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 22:38:23,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:23,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:38:23,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:38:23,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:38:23,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:23,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:38:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:23,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:23,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:23,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-26 22:38:23,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:23,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-26 22:38:23,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:23,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:38:23,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:38:23,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-26 22:38:23,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:23,852 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:38:23,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1244964113] [2020-10-26 22:38:23,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:38:23,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:38:23,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585130554] [2020-10-26 22:38:23,855 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 22:38:23,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:38:23,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 22:38:23,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:38:23,863 INFO L87 Difference]: Start difference. First operand 1222 states and 1548 transitions. Second operand 5 states. [2020-10-26 22:38:26,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:38:26,881 INFO L93 Difference]: Finished difference Result 2468 states and 3318 transitions. [2020-10-26 22:38:26,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:38:26,882 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 147 [2020-10-26 22:38:26,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:38:26,892 INFO L225 Difference]: With dead ends: 2468 [2020-10-26 22:38:26,893 INFO L226 Difference]: Without dead ends: 1630 [2020-10-26 22:38:26,896 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 [2020-10-26 22:38:26,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1630 states. [2020-10-26 22:38:26,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1630 to 1614. [2020-10-26 22:38:26,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1614 states. [2020-10-26 22:38:26,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1614 states to 1614 states and 2056 transitions. [2020-10-26 22:38:26,953 INFO L78 Accepts]: Start accepts. Automaton has 1614 states and 2056 transitions. Word has length 147 [2020-10-26 22:38:26,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:38:26,954 INFO L481 AbstractCegarLoop]: Abstraction has 1614 states and 2056 transitions. [2020-10-26 22:38:26,954 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 22:38:26,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1614 states and 2056 transitions. [2020-10-26 22:38:26,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-26 22:38:26,959 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:38:26,959 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:38:26,959 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-26 22:38:26,960 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:38:26,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:38:26,960 INFO L82 PathProgramCache]: Analyzing trace with hash -1433219354, now seen corresponding path program 1 times [2020-10-26 22:38:26,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:38:26,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [796569933] [2020-10-26 22:38:26,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:38:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:27,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:27,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:28,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:30,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:30,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-26 22:38:30,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:38:30,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3125 [2020-10-26 22:38:30,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:30,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-26 22:38:30,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:38:30,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 209 [2020-10-26 22:38:30,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:30,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:38:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:30,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:30,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:30,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:38:30,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:30,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-26 22:38:30,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:30,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:38:30,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:38:30,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:38:30,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:30,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:38:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:30,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:30,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:30,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-26 22:38:30,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:30,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-10-26 22:38:30,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:30,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:38:30,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:38:30,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-26 22:38:30,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:30,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-26 22:38:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:30,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:30,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:30,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-26 22:38:30,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:30,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-10-26 22:38:30,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:30,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-26 22:38:30,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:38:30,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:38:30,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:31,306 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 2 proven. 83 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-26 22:38:31,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [796569933] [2020-10-26 22:38:31,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:38:31,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-26 22:38:31,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750605178] [2020-10-26 22:38:31,308 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-26 22:38:31,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:38:31,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-26 22:38:31,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-26 22:38:31,309 INFO L87 Difference]: Start difference. First operand 1614 states and 2056 transitions. Second operand 9 states. [2020-10-26 22:38:32,881 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 70 [2020-10-26 22:38:35,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:38:35,076 INFO L93 Difference]: Finished difference Result 3526 states and 4544 transitions. [2020-10-26 22:38:35,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-26 22:38:35,082 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 205 [2020-10-26 22:38:35,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:38:35,098 INFO L225 Difference]: With dead ends: 3526 [2020-10-26 22:38:35,098 INFO L226 Difference]: Without dead ends: 2286 [2020-10-26 22:38:35,104 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2020-10-26 22:38:35,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2286 states. [2020-10-26 22:38:35,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2286 to 2216. [2020-10-26 22:38:35,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2216 states. [2020-10-26 22:38:35,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 2216 states and 2777 transitions. [2020-10-26 22:38:35,200 INFO L78 Accepts]: Start accepts. Automaton has 2216 states and 2777 transitions. Word has length 205 [2020-10-26 22:38:35,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:38:35,201 INFO L481 AbstractCegarLoop]: Abstraction has 2216 states and 2777 transitions. [2020-10-26 22:38:35,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-26 22:38:35,201 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 2777 transitions. [2020-10-26 22:38:35,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-26 22:38:35,205 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:38:35,205 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:38:35,206 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-26 22:38:35,206 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:38:35,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:38:35,206 INFO L82 PathProgramCache]: Analyzing trace with hash -89055506, now seen corresponding path program 1 times [2020-10-26 22:38:35,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:38:35,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2070201550] [2020-10-26 22:38:35,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:38:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:35,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:35,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:36,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:37,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:37,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-26 22:38:37,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:38:37,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1975 [2020-10-26 22:38:37,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:37,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:38:37,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-26 22:38:37,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-26 22:38:37,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:37,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:38:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:37,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:37,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:37,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:38:37,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:37,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 22:38:37,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:37,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:38:37,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:38:37,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:38:37,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:37,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:38:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:37,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:37,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:37,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-26 22:38:37,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:37,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-26 22:38:37,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:37,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:38:37,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:38:37,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-26 22:38:37,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:37,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-26 22:38:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:37,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:37,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:37,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-26 22:38:37,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:37,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-26 22:38:37,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:37,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:38:37,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:38:37,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-26 22:38:37,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:37,896 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 87 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 22:38:37,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2070201550] [2020-10-26 22:38:37,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:38:37,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:38:37,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300128172] [2020-10-26 22:38:37,899 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:38:37,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:38:37,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:38:37,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:38:37,901 INFO L87 Difference]: Start difference. First operand 2216 states and 2777 transitions. Second operand 7 states. [2020-10-26 22:38:42,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:38:42,425 INFO L93 Difference]: Finished difference Result 4701 states and 5984 transitions. [2020-10-26 22:38:42,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 22:38:42,426 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 206 [2020-10-26 22:38:42,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:38:42,440 INFO L225 Difference]: With dead ends: 4701 [2020-10-26 22:38:42,441 INFO L226 Difference]: Without dead ends: 2869 [2020-10-26 22:38:42,446 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:38:42,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2869 states. [2020-10-26 22:38:42,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2869 to 2807. [2020-10-26 22:38:42,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2807 states. [2020-10-26 22:38:42,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2807 states to 2807 states and 3430 transitions. [2020-10-26 22:38:42,528 INFO L78 Accepts]: Start accepts. Automaton has 2807 states and 3430 transitions. Word has length 206 [2020-10-26 22:38:42,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:38:42,529 INFO L481 AbstractCegarLoop]: Abstraction has 2807 states and 3430 transitions. [2020-10-26 22:38:42,529 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:38:42,529 INFO L276 IsEmpty]: Start isEmpty. Operand 2807 states and 3430 transitions. [2020-10-26 22:38:42,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-10-26 22:38:42,533 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:38:42,533 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:38:42,533 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-26 22:38:42,534 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:38:42,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:38:42,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1904826406, now seen corresponding path program 1 times [2020-10-26 22:38:42,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:38:42,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [10382761] [2020-10-26 22:38:42,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:38:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:42,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:43,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:43,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-26 22:38:43,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:43,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 613 [2020-10-26 22:38:43,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:43,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:38:43,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-26 22:38:43,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-26 22:38:43,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:43,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:38:43,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:43,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:43,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:43,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:38:43,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:43,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-26 22:38:43,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:43,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:38:43,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:38:43,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:38:43,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:43,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:38:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:43,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:43,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:43,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-26 22:38:43,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:43,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-26 22:38:43,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:43,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:38:43,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:38:43,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:38:43,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:43,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-26 22:38:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:43,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:43,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:43,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-26 22:38:43,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:43,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-26 22:38:43,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:43,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:38:43,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:38:43,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-26 22:38:43,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:43,771 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-10-26 22:38:43,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [10382761] [2020-10-26 22:38:43,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:38:43,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-26 22:38:43,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626883685] [2020-10-26 22:38:43,772 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 22:38:43,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:38:43,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 22:38:43,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:38:43,774 INFO L87 Difference]: Start difference. First operand 2807 states and 3430 transitions. Second operand 6 states. [2020-10-26 22:38:47,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:38:47,918 INFO L93 Difference]: Finished difference Result 5862 states and 7430 transitions. [2020-10-26 22:38:47,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-26 22:38:47,920 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 216 [2020-10-26 22:38:47,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:38:47,938 INFO L225 Difference]: With dead ends: 5862 [2020-10-26 22:38:47,938 INFO L226 Difference]: Without dead ends: 3439 [2020-10-26 22:38:47,945 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-26 22:38:47,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3439 states. [2020-10-26 22:38:48,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3439 to 3399. [2020-10-26 22:38:48,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3399 states. [2020-10-26 22:38:48,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3399 states to 3399 states and 4315 transitions. [2020-10-26 22:38:48,044 INFO L78 Accepts]: Start accepts. Automaton has 3399 states and 4315 transitions. Word has length 216 [2020-10-26 22:38:48,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:38:48,045 INFO L481 AbstractCegarLoop]: Abstraction has 3399 states and 4315 transitions. [2020-10-26 22:38:48,045 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 22:38:48,045 INFO L276 IsEmpty]: Start isEmpty. Operand 3399 states and 4315 transitions. [2020-10-26 22:38:48,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-10-26 22:38:48,050 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:38:48,050 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-26 22:38:48,050 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-26 22:38:48,051 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:38:48,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:38:48,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1351915470, now seen corresponding path program 1 times [2020-10-26 22:38:48,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:38:48,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1136664388] [2020-10-26 22:38:48,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:38:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:48,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:48,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:49,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:49,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-26 22:38:49,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:38:49,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1548 [2020-10-26 22:38:49,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:49,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-26 22:38:49,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:38:49,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 241 [2020-10-26 22:38:49,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:49,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:38:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:49,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:49,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:49,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:38:49,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:49,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-26 22:38:49,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:49,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:38:49,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:38:49,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:38:49,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:38:49,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:38:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:49,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:50,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:50,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-26 22:38:50,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:50,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 218 [2020-10-26 22:38:50,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:50,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:38:50,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:38:50,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-26 22:38:50,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:50,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-26 22:38:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:50,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:50,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:50,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-26 22:38:50,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:50,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 256 [2020-10-26 22:38:50,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:50,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-26 22:38:50,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:38:50,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-26 22:38:50,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:50,685 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-10-26 22:38:50,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1136664388] [2020-10-26 22:38:50,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:38:50,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:38:50,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737159000] [2020-10-26 22:38:50,687 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 22:38:50,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:38:50,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 22:38:50,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-26 22:38:50,688 INFO L87 Difference]: Start difference. First operand 3399 states and 4315 transitions. Second operand 8 states. [2020-10-26 22:38:51,682 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2020-10-26 22:38:54,405 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2020-10-26 22:38:55,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:38:55,695 INFO L93 Difference]: Finished difference Result 6326 states and 8629 transitions. [2020-10-26 22:38:55,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-26 22:38:55,696 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 236 [2020-10-26 22:38:55,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:38:55,720 INFO L225 Difference]: With dead ends: 6326 [2020-10-26 22:38:55,720 INFO L226 Difference]: Without dead ends: 4285 [2020-10-26 22:38:55,727 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-26 22:38:55,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4285 states. [2020-10-26 22:38:55,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4285 to 4038. [2020-10-26 22:38:55,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4038 states. [2020-10-26 22:38:55,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4038 states to 4038 states and 5138 transitions. [2020-10-26 22:38:55,880 INFO L78 Accepts]: Start accepts. Automaton has 4038 states and 5138 transitions. Word has length 236 [2020-10-26 22:38:55,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:38:55,881 INFO L481 AbstractCegarLoop]: Abstraction has 4038 states and 5138 transitions. [2020-10-26 22:38:55,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 22:38:55,881 INFO L276 IsEmpty]: Start isEmpty. Operand 4038 states and 5138 transitions. [2020-10-26 22:38:55,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2020-10-26 22:38:55,889 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:38:55,889 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:38:55,889 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-26 22:38:55,889 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:38:55,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:38:55,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1542101542, now seen corresponding path program 1 times [2020-10-26 22:38:55,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:38:55,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [32438324] [2020-10-26 22:38:55,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:38:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:56,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:56,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:56,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:56,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:59,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:00,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:00,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 303 [2020-10-26 22:39:00,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-26 22:39:00,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-26 22:39:00,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:00,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-26 22:39:00,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:39:00,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 281 [2020-10-26 22:39:00,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:01,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:39:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:01,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:01,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:01,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:39:01,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:01,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-26 22:39:01,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:01,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:39:01,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:39:01,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:39:01,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:01,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:39:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:01,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:01,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:01,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:01,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-26 22:39:01,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:39:01,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-10-26 22:39:01,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:01,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:39:01,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:39:01,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-26 22:39:01,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:01,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-26 22:39:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:01,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:01,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:01,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:01,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-26 22:39:01,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:39:01,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 181 [2020-10-26 22:39:01,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:01,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:39:01,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:39:01,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-26 22:39:01,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:01,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-26 22:39:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:01,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:01,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:01,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-26 22:39:01,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:01,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-26 22:39:01,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:01,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:39:01,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:39:01,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-26 22:39:01,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:02,117 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 26 proven. 4 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-10-26 22:39:02,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [32438324] [2020-10-26 22:39:02,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:39:02,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-26 22:39:02,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428041764] [2020-10-26 22:39:02,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:39:02,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:39:02,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:39:02,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:39:02,128 INFO L87 Difference]: Start difference. First operand 4038 states and 5138 transitions. Second operand 7 states. [2020-10-26 22:39:05,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:39:05,294 INFO L93 Difference]: Finished difference Result 8928 states and 12102 transitions. [2020-10-26 22:39:05,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 22:39:05,295 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 287 [2020-10-26 22:39:05,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:39:05,321 INFO L225 Difference]: With dead ends: 8928 [2020-10-26 22:39:05,321 INFO L226 Difference]: Without dead ends: 5076 [2020-10-26 22:39:05,332 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:39:05,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5076 states. [2020-10-26 22:39:05,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5076 to 5006. [2020-10-26 22:39:05,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5006 states. [2020-10-26 22:39:05,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5006 states to 5006 states and 6322 transitions. [2020-10-26 22:39:05,505 INFO L78 Accepts]: Start accepts. Automaton has 5006 states and 6322 transitions. Word has length 287 [2020-10-26 22:39:05,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:39:05,506 INFO L481 AbstractCegarLoop]: Abstraction has 5006 states and 6322 transitions. [2020-10-26 22:39:05,506 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:39:05,506 INFO L276 IsEmpty]: Start isEmpty. Operand 5006 states and 6322 transitions. [2020-10-26 22:39:05,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2020-10-26 22:39:05,516 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:39:05,517 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-26 22:39:05,518 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-26 22:39:05,518 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:39:05,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:39:05,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1537070722, now seen corresponding path program 1 times [2020-10-26 22:39:05,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:39:05,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [114253003] [2020-10-26 22:39:05,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:39:05,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:05,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:05,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:06,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:08,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:08,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 321 [2020-10-26 22:39:08,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:39:08,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2482 [2020-10-26 22:39:08,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:08,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:39:08,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-26 22:39:08,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-26 22:39:08,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:08,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:39:08,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:08,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:08,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:08,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:39:08,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:08,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-26 22:39:08,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:08,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:39:08,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:39:08,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:39:08,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:08,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:39:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:08,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:08,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:08,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-26 22:39:08,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:08,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-26 22:39:08,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:08,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:39:08,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:39:08,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:39:08,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:08,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-26 22:39:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:08,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:08,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:08,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-26 22:39:08,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:08,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-26 22:39:08,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:08,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:39:08,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:39:08,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-26 22:39:08,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:08,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-26 22:39:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:08,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:08,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:08,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-26 22:39:08,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:08,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-26 22:39:08,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:08,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:39:08,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:39:08,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-26 22:39:08,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:08,786 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 196 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-26 22:39:08,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [114253003] [2020-10-26 22:39:08,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:39:08,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:39:08,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147789039] [2020-10-26 22:39:08,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:39:08,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:39:08,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:39:08,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:39:08,789 INFO L87 Difference]: Start difference. First operand 5006 states and 6322 transitions. Second operand 7 states. [2020-10-26 22:39:13,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:39:13,855 INFO L93 Difference]: Finished difference Result 10790 states and 14071 transitions. [2020-10-26 22:39:13,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:39:13,856 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 305 [2020-10-26 22:39:13,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:39:13,902 INFO L225 Difference]: With dead ends: 10790 [2020-10-26 22:39:13,902 INFO L226 Difference]: Without dead ends: 7153 [2020-10-26 22:39:13,913 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:39:13,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7153 states. [2020-10-26 22:39:14,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7153 to 6562. [2020-10-26 22:39:14,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6562 states. [2020-10-26 22:39:14,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6562 states to 6562 states and 8316 transitions. [2020-10-26 22:39:14,110 INFO L78 Accepts]: Start accepts. Automaton has 6562 states and 8316 transitions. Word has length 305 [2020-10-26 22:39:14,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:39:14,111 INFO L481 AbstractCegarLoop]: Abstraction has 6562 states and 8316 transitions. [2020-10-26 22:39:14,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:39:14,111 INFO L276 IsEmpty]: Start isEmpty. Operand 6562 states and 8316 transitions. [2020-10-26 22:39:14,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2020-10-26 22:39:14,122 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:39:14,123 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:39:14,123 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-26 22:39:14,123 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:39:14,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:39:14,124 INFO L82 PathProgramCache]: Analyzing trace with hash 840571394, now seen corresponding path program 1 times [2020-10-26 22:39:14,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:39:14,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1152704739] [2020-10-26 22:39:14,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:39:14,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:14,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:14,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:14,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:15,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:19,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:19,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 321 [2020-10-26 22:39:19,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 22:39:19,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-26 22:39:19,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:19,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:39:19,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-26 22:39:19,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-26 22:39:19,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:19,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:39:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:19,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:19,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:19,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:39:19,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:19,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:39:19,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:19,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:39:19,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:39:19,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:39:19,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:19,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:39:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:19,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:19,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:19,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-26 22:39:19,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:19,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-26 22:39:19,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:19,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:39:19,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:39:19,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-26 22:39:19,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:19,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-26 22:39:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:19,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:19,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:19,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-26 22:39:19,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:19,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-26 22:39:19,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:19,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:39:19,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:39:19,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-26 22:39:19,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:19,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-26 22:39:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:19,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:19,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:19,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-26 22:39:19,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:19,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-26 22:39:19,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:19,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:39:19,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-26 22:39:19,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:39:19,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:20,068 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 99 proven. 73 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-10-26 22:39:20,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1152704739] [2020-10-26 22:39:20,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:39:20,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:39:20,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644273372] [2020-10-26 22:39:20,070 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:39:20,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:39:20,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:39:20,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:39:20,072 INFO L87 Difference]: Start difference. First operand 6562 states and 8316 transitions. Second operand 7 states. [2020-10-26 22:39:25,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:39:25,109 INFO L93 Difference]: Finished difference Result 16673 states and 21676 transitions. [2020-10-26 22:39:25,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:39:25,110 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 305 [2020-10-26 22:39:25,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:39:25,143 INFO L225 Difference]: With dead ends: 16673 [2020-10-26 22:39:25,143 INFO L226 Difference]: Without dead ends: 10294 [2020-10-26 22:39:25,158 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:39:25,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10294 states. [2020-10-26 22:39:25,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10294 to 9491. [2020-10-26 22:39:25,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9491 states. [2020-10-26 22:39:25,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9491 states to 9491 states and 11623 transitions. [2020-10-26 22:39:25,420 INFO L78 Accepts]: Start accepts. Automaton has 9491 states and 11623 transitions. Word has length 305 [2020-10-26 22:39:25,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:39:25,421 INFO L481 AbstractCegarLoop]: Abstraction has 9491 states and 11623 transitions. [2020-10-26 22:39:25,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:39:25,421 INFO L276 IsEmpty]: Start isEmpty. Operand 9491 states and 11623 transitions. [2020-10-26 22:39:25,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2020-10-26 22:39:25,432 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:39:25,433 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-26 22:39:25,433 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-26 22:39:25,433 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:39:25,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:39:25,434 INFO L82 PathProgramCache]: Analyzing trace with hash 232640755, now seen corresponding path program 1 times [2020-10-26 22:39:25,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:39:25,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2007534027] [2020-10-26 22:39:25,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:39:25,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:25,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:25,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:27,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:27,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 318 [2020-10-26 22:39:27,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:39:27,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1795 [2020-10-26 22:39:27,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:27,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:39:27,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-26 22:39:27,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-26 22:39:27,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:27,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:39:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:27,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:27,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:27,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:39:27,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:27,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-26 22:39:27,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:27,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:39:27,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:39:27,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:39:27,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:27,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:39:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:27,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:27,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:27,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-26 22:39:27,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:27,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-26 22:39:27,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:27,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:39:27,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:39:27,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-26 22:39:27,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:27,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-26 22:39:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:27,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:27,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:27,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-26 22:39:27,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:27,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-10-26 22:39:27,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:27,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:39:27,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:39:27,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-26 22:39:27,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:28,010 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 154 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 22:39:28,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2007534027] [2020-10-26 22:39:28,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:39:28,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:39:28,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989951296] [2020-10-26 22:39:28,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:39:28,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:39:28,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:39:28,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:39:28,013 INFO L87 Difference]: Start difference. First operand 9491 states and 11623 transitions. Second operand 7 states. [2020-10-26 22:39:33,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:39:33,028 INFO L93 Difference]: Finished difference Result 22114 states and 27767 transitions. [2020-10-26 22:39:33,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:39:33,028 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 304 [2020-10-26 22:39:33,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:39:33,074 INFO L225 Difference]: With dead ends: 22114 [2020-10-26 22:39:33,075 INFO L226 Difference]: Without dead ends: 12813 [2020-10-26 22:39:33,098 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:39:33,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12813 states. [2020-10-26 22:39:33,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12813 to 12590. [2020-10-26 22:39:33,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12590 states. [2020-10-26 22:39:33,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12590 states to 12590 states and 15381 transitions. [2020-10-26 22:39:33,517 INFO L78 Accepts]: Start accepts. Automaton has 12590 states and 15381 transitions. Word has length 304 [2020-10-26 22:39:33,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:39:33,518 INFO L481 AbstractCegarLoop]: Abstraction has 12590 states and 15381 transitions. [2020-10-26 22:39:33,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:39:33,518 INFO L276 IsEmpty]: Start isEmpty. Operand 12590 states and 15381 transitions. [2020-10-26 22:39:33,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2020-10-26 22:39:33,527 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:39:33,528 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-26 22:39:33,528 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-26 22:39:33,528 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:39:33,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:39:33,529 INFO L82 PathProgramCache]: Analyzing trace with hash -543724918, now seen corresponding path program 1 times [2020-10-26 22:39:33,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:39:33,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1674489837] [2020-10-26 22:39:33,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:39:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:33,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:33,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:34,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:34,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 326 [2020-10-26 22:39:34,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:39:34,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 942 [2020-10-26 22:39:34,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:34,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:39:34,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-26 22:39:34,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-26 22:39:34,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:34,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:39:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:34,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:34,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:34,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:39:34,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:34,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-26 22:39:34,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:34,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:39:34,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:39:34,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:39:34,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:34,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:39:34,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:34,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:34,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:34,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-26 22:39:34,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:34,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-26 22:39:34,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:34,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:39:34,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:39:34,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:39:34,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:34,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-26 22:39:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:34,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:34,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:34,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-26 22:39:34,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:34,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-26 22:39:34,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:34,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:39:34,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:39:34,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-26 22:39:34,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:34,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-26 22:39:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:34,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:35,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:35,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-26 22:39:35,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:35,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-10-26 22:39:35,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:35,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:39:35,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:39:35,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-26 22:39:35,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:35,348 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 201 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-26 22:39:35,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1674489837] [2020-10-26 22:39:35,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:39:35,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:39:35,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95055182] [2020-10-26 22:39:35,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:39:35,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:39:35,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:39:35,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:39:35,351 INFO L87 Difference]: Start difference. First operand 12590 states and 15381 transitions. Second operand 7 states. [2020-10-26 22:39:38,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:39:38,963 INFO L93 Difference]: Finished difference Result 26546 states and 32451 transitions. [2020-10-26 22:39:38,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 22:39:38,964 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 310 [2020-10-26 22:39:38,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:39:39,012 INFO L225 Difference]: With dead ends: 26546 [2020-10-26 22:39:39,012 INFO L226 Difference]: Without dead ends: 13964 [2020-10-26 22:39:39,041 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:39:39,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13964 states. [2020-10-26 22:39:39,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13964 to 13916. [2020-10-26 22:39:39,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13916 states. [2020-10-26 22:39:39,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13916 states to 13916 states and 16829 transitions. [2020-10-26 22:39:39,437 INFO L78 Accepts]: Start accepts. Automaton has 13916 states and 16829 transitions. Word has length 310 [2020-10-26 22:39:39,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:39:39,438 INFO L481 AbstractCegarLoop]: Abstraction has 13916 states and 16829 transitions. [2020-10-26 22:39:39,438 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:39:39,438 INFO L276 IsEmpty]: Start isEmpty. Operand 13916 states and 16829 transitions. [2020-10-26 22:39:39,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2020-10-26 22:39:39,450 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:39:39,451 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-26 22:39:39,451 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-26 22:39:39,451 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:39:39,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:39:39,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1274461426, now seen corresponding path program 1 times [2020-10-26 22:39:39,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:39:39,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [469067960] [2020-10-26 22:39:39,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:39:39,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:39,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:39,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:39,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 338 [2020-10-26 22:39:39,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:39,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 427 [2020-10-26 22:39:39,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:39,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:39:39,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 224 [2020-10-26 22:39:39,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-26 22:39:39,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:40,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:39:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:40,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:40,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:40,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:39:40,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:40,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-26 22:39:40,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:40,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:39:40,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:39:40,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:39:40,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:40,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:39:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:40,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:40,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:40,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-26 22:39:40,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:40,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-26 22:39:40,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:40,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:39:40,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:39:40,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:39:40,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:40,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-26 22:39:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:40,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:40,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:40,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-26 22:39:40,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:40,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-26 22:39:40,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:40,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:39:40,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:39:40,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-26 22:39:40,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:40,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-26 22:39:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:40,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:40,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:40,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-26 22:39:40,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:40,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-26 22:39:40,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:40,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:39:40,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:39:40,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-26 22:39:40,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:40,800 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 203 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-26 22:39:40,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [469067960] [2020-10-26 22:39:40,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:39:40,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:39:40,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979220511] [2020-10-26 22:39:40,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:39:40,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:39:40,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:39:40,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:39:40,802 INFO L87 Difference]: Start difference. First operand 13916 states and 16829 transitions. Second operand 7 states. [2020-10-26 22:39:44,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:39:44,693 INFO L93 Difference]: Finished difference Result 23398 states and 28613 transitions. [2020-10-26 22:39:44,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-26 22:39:44,694 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 322 [2020-10-26 22:39:44,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:39:44,737 INFO L225 Difference]: With dead ends: 23398 [2020-10-26 22:39:44,737 INFO L226 Difference]: Without dead ends: 14341 [2020-10-26 22:39:44,756 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-26 22:39:44,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14341 states. [2020-10-26 22:39:45,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14341 to 14294. [2020-10-26 22:39:45,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14294 states. [2020-10-26 22:39:45,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14294 states to 14294 states and 17263 transitions. [2020-10-26 22:39:45,071 INFO L78 Accepts]: Start accepts. Automaton has 14294 states and 17263 transitions. Word has length 322 [2020-10-26 22:39:45,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:39:45,072 INFO L481 AbstractCegarLoop]: Abstraction has 14294 states and 17263 transitions. [2020-10-26 22:39:45,072 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:39:45,072 INFO L276 IsEmpty]: Start isEmpty. Operand 14294 states and 17263 transitions. [2020-10-26 22:39:45,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2020-10-26 22:39:45,082 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:39:45,083 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:39:45,083 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-26 22:39:45,083 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:39:45,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:39:45,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1096939335, now seen corresponding path program 1 times [2020-10-26 22:39:45,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:39:45,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [510968643] [2020-10-26 22:39:45,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:39:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:45,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:45,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:45,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 336 [2020-10-26 22:39:45,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:45,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 498 [2020-10-26 22:39:45,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:45,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:39:45,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 317 [2020-10-26 22:39:45,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-26 22:39:45,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:45,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:39:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:45,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:45,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:45,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:39:45,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:45,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-26 22:39:45,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:45,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:39:45,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:39:45,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:39:45,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:45,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:39:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:45,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:45,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:45,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-26 22:39:45,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:45,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-26 22:39:45,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:45,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:39:45,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:39:45,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:39:45,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:45,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-26 22:39:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:45,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:46,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:46,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-26 22:39:46,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:46,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-26 22:39:46,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:46,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:39:46,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:39:46,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-26 22:39:46,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:46,149 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-10-26 22:39:46,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [510968643] [2020-10-26 22:39:46,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:39:46,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:39:46,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935208845] [2020-10-26 22:39:46,150 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 22:39:46,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:39:46,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 22:39:46,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:39:46,151 INFO L87 Difference]: Start difference. First operand 14294 states and 17263 transitions. Second operand 5 states. [2020-10-26 22:39:49,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:39:49,408 INFO L93 Difference]: Finished difference Result 31261 states and 38214 transitions. [2020-10-26 22:39:49,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:39:49,410 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 322 [2020-10-26 22:39:49,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:39:49,463 INFO L225 Difference]: With dead ends: 31261 [2020-10-26 22:39:49,463 INFO L226 Difference]: Without dead ends: 17359 [2020-10-26 22:39:49,491 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:39:49,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17359 states. [2020-10-26 22:39:49,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17359 to 17322. [2020-10-26 22:39:49,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17322 states. [2020-10-26 22:39:49,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17322 states to 17322 states and 20968 transitions. [2020-10-26 22:39:49,915 INFO L78 Accepts]: Start accepts. Automaton has 17322 states and 20968 transitions. Word has length 322 [2020-10-26 22:39:49,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:39:49,916 INFO L481 AbstractCegarLoop]: Abstraction has 17322 states and 20968 transitions. [2020-10-26 22:39:49,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 22:39:49,916 INFO L276 IsEmpty]: Start isEmpty. Operand 17322 states and 20968 transitions. [2020-10-26 22:39:49,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-10-26 22:39:49,927 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:39:49,928 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-26 22:39:49,928 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-26 22:39:49,929 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:39:49,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:39:49,930 INFO L82 PathProgramCache]: Analyzing trace with hash -233972078, now seen corresponding path program 1 times [2020-10-26 22:39:49,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:39:49,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [891680722] [2020-10-26 22:39:49,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:39:50,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:50,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:50,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:51,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:51,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 353 [2020-10-26 22:39:51,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:39:51,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1231 [2020-10-26 22:39:51,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:51,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:39:51,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-26 22:39:51,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-26 22:39:51,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:51,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:39:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:51,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:51,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:51,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:39:51,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:51,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-26 22:39:51,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:51,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:39:51,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:39:51,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:39:51,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:51,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:39:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:51,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:51,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:51,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-26 22:39:51,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:51,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-26 22:39:51,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:51,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:39:51,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:39:51,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:39:51,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:51,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-26 22:39:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:51,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:51,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:51,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-26 22:39:51,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:51,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-26 22:39:51,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:51,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:39:51,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:39:51,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-26 22:39:51,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:51,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2020-10-26 22:39:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:51,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:51,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:51,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:51,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-26 22:39:51,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:39:51,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 268 [2020-10-26 22:39:51,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:51,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:39:51,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:39:51,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-26 22:39:51,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:52,291 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 211 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-10-26 22:39:52,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [891680722] [2020-10-26 22:39:52,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:39:52,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-26 22:39:52,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680720229] [2020-10-26 22:39:52,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 22:39:52,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:39:52,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 22:39:52,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:39:52,294 INFO L87 Difference]: Start difference. First operand 17322 states and 20968 transitions. Second operand 6 states. [2020-10-26 22:39:52,518 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-26 22:39:53,867 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-10-26 22:39:55,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:39:55,328 INFO L93 Difference]: Finished difference Result 28910 states and 35242 transitions. [2020-10-26 22:39:55,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-26 22:39:55,329 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 337 [2020-10-26 22:39:55,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:39:55,374 INFO L225 Difference]: With dead ends: 28910 [2020-10-26 22:39:55,374 INFO L226 Difference]: Without dead ends: 17185 [2020-10-26 22:39:55,397 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-26 22:39:55,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17185 states. [2020-10-26 22:39:55,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17185 to 17132. [2020-10-26 22:39:55,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17132 states. [2020-10-26 22:39:55,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17132 states to 17132 states and 20648 transitions. [2020-10-26 22:39:55,780 INFO L78 Accepts]: Start accepts. Automaton has 17132 states and 20648 transitions. Word has length 337 [2020-10-26 22:39:55,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:39:55,781 INFO L481 AbstractCegarLoop]: Abstraction has 17132 states and 20648 transitions. [2020-10-26 22:39:55,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 22:39:55,781 INFO L276 IsEmpty]: Start isEmpty. Operand 17132 states and 20648 transitions. [2020-10-26 22:39:55,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2020-10-26 22:39:55,794 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:39:55,794 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:39:55,795 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-26 22:39:55,795 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:39:55,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:39:55,795 INFO L82 PathProgramCache]: Analyzing trace with hash 614801548, now seen corresponding path program 1 times [2020-10-26 22:39:55,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:39:55,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [338345664] [2020-10-26 22:39:55,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:39:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:55,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:56,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:57,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:57,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 369 [2020-10-26 22:39:57,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:39:57,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1310 [2020-10-26 22:39:57,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:57,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:39:57,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 255 [2020-10-26 22:39:57,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-26 22:39:57,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:57,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:39:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:57,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:57,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:57,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:39:57,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:57,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:39:57,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:57,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:39:57,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:39:57,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:39:57,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:57,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:39:57,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:57,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:57,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:57,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-26 22:39:57,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:57,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-26 22:39:57,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:57,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:39:57,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:39:57,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:39:57,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:57,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-26 22:39:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:57,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:57,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:57,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-26 22:39:57,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:57,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-26 22:39:57,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:57,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:39:57,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:39:57,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-26 22:39:57,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:57,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-26 22:39:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:57,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:57,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:57,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-26 22:39:57,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:57,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-26 22:39:57,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:57,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:39:57,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:39:57,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-26 22:39:57,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:57,797 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 189 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-10-26 22:39:57,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [338345664] [2020-10-26 22:39:57,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:39:57,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:39:57,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235853826] [2020-10-26 22:39:57,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:39:57,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:39:57,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:39:57,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:39:57,800 INFO L87 Difference]: Start difference. First operand 17132 states and 20648 transitions. Second operand 7 states. [2020-10-26 22:40:02,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:40:02,900 INFO L93 Difference]: Finished difference Result 31752 states and 38228 transitions. [2020-10-26 22:40:02,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:40:02,901 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 353 [2020-10-26 22:40:02,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:40:02,945 INFO L225 Difference]: With dead ends: 31752 [2020-10-26 22:40:02,945 INFO L226 Difference]: Without dead ends: 20237 [2020-10-26 22:40:02,963 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:40:02,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20237 states. [2020-10-26 22:40:03,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20237 to 19240. [2020-10-26 22:40:03,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19240 states. [2020-10-26 22:40:03,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19240 states to 19240 states and 22956 transitions. [2020-10-26 22:40:03,442 INFO L78 Accepts]: Start accepts. Automaton has 19240 states and 22956 transitions. Word has length 353 [2020-10-26 22:40:03,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:40:03,443 INFO L481 AbstractCegarLoop]: Abstraction has 19240 states and 22956 transitions. [2020-10-26 22:40:03,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:40:03,443 INFO L276 IsEmpty]: Start isEmpty. Operand 19240 states and 22956 transitions. [2020-10-26 22:40:03,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2020-10-26 22:40:03,455 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:40:03,456 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:40:03,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-26 22:40:03,456 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:40:03,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:40:03,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1083258880, now seen corresponding path program 1 times [2020-10-26 22:40:03,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:40:03,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1827073419] [2020-10-26 22:40:03,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:40:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:40:03,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:40:03,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:40:05,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:40:05,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 372 [2020-10-26 22:40:05,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:40:05,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1519 [2020-10-26 22:40:05,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:40:05,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:40:05,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 258 [2020-10-26 22:40:05,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-26 22:40:05,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:40:05,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:40:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:40:05,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:40:05,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:40:05,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:40:05,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:40:05,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 22:40:05,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:40:05,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:40:05,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:40:05,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:40:05,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:40:05,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:40:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:40:05,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:40:05,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:40:05,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-26 22:40:05,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:40:05,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-26 22:40:05,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:40:05,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:40:05,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:40:05,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:40:05,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:40:05,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-26 22:40:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:40:05,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:40:05,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:40:05,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-26 22:40:05,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:40:05,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-26 22:40:05,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:40:05,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:40:05,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:40:05,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-26 22:40:05,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:40:05,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-26 22:40:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:40:05,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:40:05,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:40:05,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-26 22:40:05,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:40:05,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-26 22:40:05,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:40:05,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:40:05,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:40:05,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-26 22:40:05,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:40:05,853 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 211 proven. 2 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-26 22:40:05,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1827073419] [2020-10-26 22:40:05,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:40:05,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:40:05,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348893764] [2020-10-26 22:40:05,854 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:40:05,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:40:05,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:40:05,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:40:05,855 INFO L87 Difference]: Start difference. First operand 19240 states and 22956 transitions. Second operand 7 states. [2020-10-26 22:40:09,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:40:09,576 INFO L93 Difference]: Finished difference Result 32953 states and 39711 transitions. [2020-10-26 22:40:09,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:40:09,583 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 356 [2020-10-26 22:40:09,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:40:09,630 INFO L225 Difference]: With dead ends: 32953 [2020-10-26 22:40:09,630 INFO L226 Difference]: Without dead ends: 19132 [2020-10-26 22:40:09,653 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-26 22:40:09,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19132 states. [2020-10-26 22:40:10,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19132 to 19040. [2020-10-26 22:40:10,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19040 states. [2020-10-26 22:40:10,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19040 states to 19040 states and 22608 transitions. [2020-10-26 22:40:10,090 INFO L78 Accepts]: Start accepts. Automaton has 19040 states and 22608 transitions. Word has length 356 [2020-10-26 22:40:10,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:40:10,091 INFO L481 AbstractCegarLoop]: Abstraction has 19040 states and 22608 transitions. [2020-10-26 22:40:10,091 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:40:10,091 INFO L276 IsEmpty]: Start isEmpty. Operand 19040 states and 22608 transitions. [2020-10-26 22:40:10,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2020-10-26 22:40:10,102 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:40:10,102 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:40:10,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-26 22:40:10,102 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:40:10,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:40:10,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1140794928, now seen corresponding path program 1 times [2020-10-26 22:40:10,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:40:10,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1109877093] [2020-10-26 22:40:10,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:40:10,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:40:10,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:40:10,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:40:11,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:40:14,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:40:14,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 380 [2020-10-26 22:40:14,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:40:14,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3983 [2020-10-26 22:40:14,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:40:14,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-26 22:40:14,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:40:14,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 358 [2020-10-26 22:40:14,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:40:14,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:40:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:40:14,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:40:14,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:40:14,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:40:14,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:40:14,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-26 22:40:14,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:40:14,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:40:14,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:40:14,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:40:14,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:40:14,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:40:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:40:14,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:40:14,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:40:14,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-26 22:40:14,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:40:14,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-26 22:40:14,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:40:14,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:40:14,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:40:14,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-26 22:40:14,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:40:14,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-26 22:40:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:40:14,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:40:14,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:40:14,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-26 22:40:14,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:40:14,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-26 22:40:14,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:40:14,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-26 22:40:14,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:40:14,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-26 22:40:14,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:40:14,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-26 22:40:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:40:14,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:40:15,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:40:15,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-26 22:40:15,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:40:15,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-26 22:40:15,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:40:15,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:40:15,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:40:15,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-26 22:40:15,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:40:15,367 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 105 proven. 211 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-26 22:40:15,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1109877093] [2020-10-26 22:40:15,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:40:15,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-26 22:40:15,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950899202] [2020-10-26 22:40:15,369 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-26 22:40:15,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:40:15,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-26 22:40:15,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:40:15,370 INFO L87 Difference]: Start difference. First operand 19040 states and 22608 transitions. Second operand 11 states. [2020-10-26 22:40:15,604 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2020-10-26 22:40:19,347 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2020-10-26 22:40:21,067 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2020-10-26 22:40:21,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:40:21,988 INFO L93 Difference]: Finished difference Result 34641 states and 42495 transitions. [2020-10-26 22:40:21,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-26 22:40:21,989 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 364 [2020-10-26 22:40:21,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:40:22,038 INFO L225 Difference]: With dead ends: 34641 [2020-10-26 22:40:22,038 INFO L226 Difference]: Without dead ends: 21224 [2020-10-26 22:40:22,060 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=176, Invalid=526, Unknown=0, NotChecked=0, Total=702 [2020-10-26 22:40:22,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21224 states. [2020-10-26 22:40:22,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21224 to 20801. [2020-10-26 22:40:22,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20801 states. [2020-10-26 22:40:22,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20801 states to 20801 states and 24791 transitions. [2020-10-26 22:40:22,494 INFO L78 Accepts]: Start accepts. Automaton has 20801 states and 24791 transitions. Word has length 364 [2020-10-26 22:40:22,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:40:22,495 INFO L481 AbstractCegarLoop]: Abstraction has 20801 states and 24791 transitions. [2020-10-26 22:40:22,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-26 22:40:22,495 INFO L276 IsEmpty]: Start isEmpty. Operand 20801 states and 24791 transitions. [2020-10-26 22:40:22,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2020-10-26 22:40:22,506 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:40:22,508 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:40:22,508 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-26 22:40:22,508 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:40:22,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:40:22,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1430302010, now seen corresponding path program 1 times [2020-10-26 22:40:22,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:40:22,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1208820467] [2020-10-26 22:40:22,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:40:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:40:22,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:40:22,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:40:24,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:40:24,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 382 [2020-10-26 22:40:24,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:40:24,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1718 [2020-10-26 22:40:24,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:40:24,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:40:24,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-26 22:40:24,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-26 22:40:24,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:40:24,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:40:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:40:24,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:40:24,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:40:24,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:40:24,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:40:24,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-26 22:40:24,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:40:24,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:40:24,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:40:24,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:40:24,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:40:24,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:40:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:40:24,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:40:24,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:40:24,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-26 22:40:24,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:40:24,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-26 22:40:24,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:40:24,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:40:24,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:40:24,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-26 22:40:24,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:40:24,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-26 22:40:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:40:24,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:40:24,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:40:24,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-26 22:40:24,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:40:24,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-26 22:40:24,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:40:24,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:40:24,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:40:24,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-26 22:40:24,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:40:24,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2020-10-26 22:40:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:40:24,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:40:24,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:40:24,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-26 22:40:24,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:40:24,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-26 22:40:24,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:40:24,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:40:24,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-26 22:40:24,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:40:24,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:40:25,028 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 134 proven. 93 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-10-26 22:40:25,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1208820467] [2020-10-26 22:40:25,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:40:25,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:40:25,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039807573] [2020-10-26 22:40:25,029 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:40:25,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:40:25,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:40:25,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:40:25,030 INFO L87 Difference]: Start difference. First operand 20801 states and 24791 transitions. Second operand 7 states. [2020-10-26 22:40:28,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:40:28,613 INFO L93 Difference]: Finished difference Result 39529 states and 47307 transitions. [2020-10-26 22:40:28,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 22:40:28,614 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 366 [2020-10-26 22:40:28,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:40:28,652 INFO L225 Difference]: With dead ends: 39529 [2020-10-26 22:40:28,652 INFO L226 Difference]: Without dead ends: 20289 [2020-10-26 22:40:28,672 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:40:28,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20289 states. [2020-10-26 22:40:29,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20289 to 19285. [2020-10-26 22:40:29,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19285 states. [2020-10-26 22:40:29,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19285 states to 19285 states and 23017 transitions. [2020-10-26 22:40:29,030 INFO L78 Accepts]: Start accepts. Automaton has 19285 states and 23017 transitions. Word has length 366 [2020-10-26 22:40:29,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:40:29,030 INFO L481 AbstractCegarLoop]: Abstraction has 19285 states and 23017 transitions. [2020-10-26 22:40:29,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:40:29,030 INFO L276 IsEmpty]: Start isEmpty. Operand 19285 states and 23017 transitions. [2020-10-26 22:40:29,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2020-10-26 22:40:29,041 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:40:29,041 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:40:29,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-26 22:40:29,042 INFO L429 AbstractCegarLoop]: === Iteration 21 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:40:29,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:40:29,042 INFO L82 PathProgramCache]: Analyzing trace with hash -1477477703, now seen corresponding path program 1 times [2020-10-26 22:40:29,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:40:29,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1051855645] [2020-10-26 22:40:29,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:40:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:40:29,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:40:29,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:40:29,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:40:33,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:40:33,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 407 [2020-10-26 22:40:33,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:40:33,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3997 [2020-10-26 22:40:33,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:40:33,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-26 22:40:33,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:40:33,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 289 [2020-10-26 22:40:33,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:40:33,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:40:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:40:33,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:40:33,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:40:33,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:40:33,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:40:33,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-26 22:40:33,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:40:33,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:40:33,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:40:33,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:40:33,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:40:33,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:40:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:40:33,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:40:33,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:40:33,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-26 22:40:33,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:40:33,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-10-26 22:40:33,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:40:33,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:40:33,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:40:33,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 172 [2020-10-26 22:40:33,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:40:33,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-26 22:40:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:40:33,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:40:33,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:40:33,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-26 22:40:33,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:40:33,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-26 22:40:33,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:40:33,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:40:33,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:40:33,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-26 22:40:33,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:40:34,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2020-10-26 22:40:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:40:34,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:40:34,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:40:34,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-26 22:40:34,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:40:34,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-26 22:40:34,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:40:34,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:40:34,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-26 22:40:34,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:40:34,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:40:34,872 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 132 proven. 180 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-26 22:40:34,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1051855645] [2020-10-26 22:40:34,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:40:34,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-26 22:40:34,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695362990] [2020-10-26 22:40:34,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 22:40:34,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:40:34,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 22:40:34,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-26 22:40:34,874 INFO L87 Difference]: Start difference. First operand 19285 states and 23017 transitions. Second operand 8 states. [2020-10-26 22:40:38,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:40:38,517 INFO L93 Difference]: Finished difference Result 33000 states and 39602 transitions. [2020-10-26 22:40:38,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 22:40:38,518 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 391 [2020-10-26 22:40:38,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:40:38,552 INFO L225 Difference]: With dead ends: 33000 [2020-10-26 22:40:38,552 INFO L226 Difference]: Without dead ends: 19324 [2020-10-26 22:40:38,568 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:40:38,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19324 states. [2020-10-26 22:40:38,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19324 to 19277. [2020-10-26 22:40:38,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19277 states. [2020-10-26 22:40:39,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19277 states to 19277 states and 23005 transitions. [2020-10-26 22:40:39,008 INFO L78 Accepts]: Start accepts. Automaton has 19277 states and 23005 transitions. Word has length 391 [2020-10-26 22:40:39,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:40:39,009 INFO L481 AbstractCegarLoop]: Abstraction has 19277 states and 23005 transitions. [2020-10-26 22:40:39,009 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 22:40:39,009 INFO L276 IsEmpty]: Start isEmpty. Operand 19277 states and 23005 transitions. [2020-10-26 22:40:39,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2020-10-26 22:40:39,020 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:40:39,020 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2020-10-26 22:40:39,021 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-26 22:40:39,021 INFO L429 AbstractCegarLoop]: === Iteration 22 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:40:39,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:40:39,021 INFO L82 PathProgramCache]: Analyzing trace with hash 701856934, now seen corresponding path program 1 times [2020-10-26 22:40:39,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:40:39,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2006552140] [2020-10-26 22:40:39,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:40:39,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:40:39,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:40:39,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:40:39,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 432 [2020-10-26 22:40:39,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:40:39,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 795 [2020-10-26 22:40:39,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:40:39,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:40:39,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 318 [2020-10-26 22:40:39,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-26 22:40:39,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:40:40,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:40:40,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:40:40,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:40:40,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:40:40,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:40:40,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:40:40,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-26 22:40:40,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:40:40,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:40:40,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:40:40,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:40:40,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:40:40,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:40:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:40:40,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:40:40,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:40:40,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-26 22:40:40,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:40:40,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-26 22:40:40,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:40:40,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:40:40,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:40:40,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:40:40,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:40:40,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-26 22:40:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:40:40,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:40:40,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:40:40,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-26 22:40:40,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:40:40,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-26 22:40:40,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:40:40,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:40:40,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:40:40,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:40:40,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:40:40,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-26 22:40:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:40:40,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:40:40,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:40:40,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-26 22:40:40,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:40:40,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-26 22:40:40,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:40:40,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:40:40,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:40:40,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-26 22:40:40,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:40:40,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-10-26 22:40:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:40:40,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:40:40,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:40:40,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-26 22:40:40,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:40:40,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-10-26 22:40:40,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:40:40,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:40:40,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:40:40,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-26 22:40:40,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:40:41,045 INFO L134 CoverageAnalysis]: Checked inductivity of 568 backedges. 305 proven. 2 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2020-10-26 22:40:41,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2006552140] [2020-10-26 22:40:41,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:40:41,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:40:41,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74008340] [2020-10-26 22:40:41,047 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:40:41,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:40:41,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:40:41,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:40:41,048 INFO L87 Difference]: Start difference. First operand 19277 states and 23005 transitions. Second operand 7 states. [2020-10-26 22:40:42,225 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-10-26 22:40:46,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:40:46,509 INFO L93 Difference]: Finished difference Result 38007 states and 45513 transitions. [2020-10-26 22:40:46,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:40:46,513 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 414 [2020-10-26 22:40:46,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:40:46,551 INFO L225 Difference]: With dead ends: 38007 [2020-10-26 22:40:46,551 INFO L226 Difference]: Without dead ends: 21041 [2020-10-26 22:40:46,571 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:40:46,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21041 states. [2020-10-26 22:40:46,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21041 to 20423. [2020-10-26 22:40:46,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20423 states. [2020-10-26 22:40:46,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20423 states to 20423 states and 24110 transitions. [2020-10-26 22:40:46,933 INFO L78 Accepts]: Start accepts. Automaton has 20423 states and 24110 transitions. Word has length 414 [2020-10-26 22:40:46,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:40:46,934 INFO L481 AbstractCegarLoop]: Abstraction has 20423 states and 24110 transitions. [2020-10-26 22:40:46,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:40:46,934 INFO L276 IsEmpty]: Start isEmpty. Operand 20423 states and 24110 transitions. [2020-10-26 22:40:46,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2020-10-26 22:40:46,946 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:40:46,946 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:40:46,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-26 22:40:46,947 INFO L429 AbstractCegarLoop]: === Iteration 23 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:40:46,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:40:46,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1967392006, now seen corresponding path program 1 times [2020-10-26 22:40:46,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:40:46,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1929064978] [2020-10-26 22:40:46,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:40:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 22:40:47,034 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-26 22:40:47,035 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-26 22:40:47,040 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-26 22:40:47,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:40:47 BoogieIcfgContainer [2020-10-26 22:40:47,098 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 22:40:47,099 INFO L168 Benchmark]: Toolchain (without parser) took 163816.68 ms. Allocated memory was 164.6 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 136.2 MB in the beginning and 988.0 MB in the end (delta: -851.8 MB). Peak memory consumption was 876.3 MB. Max. memory is 8.0 GB. [2020-10-26 22:40:47,100 INFO L168 Benchmark]: CDTParser took 0.60 ms. Allocated memory is still 164.6 MB. Free memory is still 135.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-26 22:40:47,100 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1096.44 ms. Allocated memory is still 164.6 MB. Free memory was 135.6 MB in the beginning and 126.5 MB in the end (delta: 9.0 MB). Peak memory consumption was 31.9 MB. Max. memory is 8.0 GB. [2020-10-26 22:40:47,101 INFO L168 Benchmark]: Boogie Preprocessor took 178.32 ms. Allocated memory is still 164.6 MB. Free memory was 126.5 MB in the beginning and 119.2 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-10-26 22:40:47,102 INFO L168 Benchmark]: RCFGBuilder took 2552.95 ms. Allocated memory was 164.6 MB in the beginning and 209.7 MB in the end (delta: 45.1 MB). Free memory was 119.2 MB in the beginning and 73.4 MB in the end (delta: 45.7 MB). Peak memory consumption was 91.4 MB. Max. memory is 8.0 GB. [2020-10-26 22:40:47,102 INFO L168 Benchmark]: TraceAbstraction took 159970.37 ms. Allocated memory was 209.7 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 72.9 MB in the beginning and 988.0 MB in the end (delta: -915.1 MB). Peak memory consumption was 766.7 MB. Max. memory is 8.0 GB. [2020-10-26 22:40:47,104 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 ms. Allocated memory is still 164.6 MB. Free memory is still 135.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1096.44 ms. Allocated memory is still 164.6 MB. Free memory was 135.6 MB in the beginning and 126.5 MB in the end (delta: 9.0 MB). Peak memory consumption was 31.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 178.32 ms. Allocated memory is still 164.6 MB. Free memory was 126.5 MB in the beginning and 119.2 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2552.95 ms. Allocated memory was 164.6 MB in the beginning and 209.7 MB in the end (delta: 45.1 MB). Free memory was 119.2 MB in the beginning and 73.4 MB in the end (delta: 45.7 MB). Peak memory consumption was 91.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 159970.37 ms. Allocated memory was 209.7 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 72.9 MB in the beginning and 988.0 MB in the end (delta: -915.1 MB). Peak memory consumption was 766.7 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 FALSE !(( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) ))) [L307] COND FALSE !(((((a8==15) && ( a29 <= 140 && ( a23 <= -43 && ((input == 2) && ((a25==10) || (a25==11)))))) && !(a4==1)) && (a3==1))) [L312] COND FALSE !(((a3==1) && ( ((245 < a29) && (277 >= a29)) && (((a4==1) && ((a8==15) && ((((a25==11) || (a25==12)) || (a25==13)) && (input == 5)))) && 306 < a23 )))) [L319] COND FALSE !(((((a8==15) && (((a4==1) && ((input == 2) && ((a25==13) || ((a25==11) || (a25==12))))) && ((245 < a29) && (277 >= a29)) )) && 306 < a23 ) && (a3==1))) [L324] COND FALSE !((( 306 < a23 && ((a8==15) && ((((input == 6) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a4==1))) [L331] COND FALSE !(((((a8==15) && (((((a25==11) || (a25==12)) && (input == 4)) && 306 < a23 ) && (a3==1))) && (a4==1)) && ((140 < a29) && (245 >= a29)) )) [L336] COND FALSE !(( a23 <= -43 && ( ((140 < a29) && (245 >= a29)) && (((a8==15) && (((input == 4) && ((a25==11) || ((a25==9) || (a25==10)))) && !(a4==1))) && (a3==1))))) [L342] COND FALSE !((((((((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ( 277 < a29 && (a25==9))) && (input == 1)) && a23 <= -43 ) && (a8==15)) && !(a4==1)) && (a3==1))) [L348] COND FALSE !((!(a4==1) && ( a29 <= 140 && ((((((a25==12) || (a25==13)) && (input == 2)) && a23 <= -43 ) && (a3==1)) && (a8==15))))) [L355] COND FALSE !(((a8==15) && (( 306 < a23 && ((a3==1) && ((input == 4) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))))) && (a4==1)))) [L360] COND FALSE !(((((input == 3) && (( a23 <= -43 && ((!(a4==1) && a29 <= 140 ) && (a25==9))) || (( 306 < a23 && (( 277 < a29 && (a4==1)) && (a25==12))) || ((((a4==1) && 277 < a29 ) && (a25==13)) && 306 < a23 )))) && (a3==1)) && (a8==15))) [L367] COND FALSE !(( 306 < a23 && ((a4==1) && (((((((a25==11) || (a25==12)) || (a25==13)) && (input == 3)) && (a8==15)) && (a3==1)) && ((245 < a29) && (277 >= a29)) )))) [L372] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((!(a4==1) && (input == 6)) && (a3==1)) && (a25==11)) && (a8==15)) && a23 <= -43 ))) [L379] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && (((a8==15) && ((input == 2) && ((( a29 <= 140 && (a25==13)) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ((a25==10) && ((140 < a29) && (245 >= a29)) )))) && (a3==1))) && !(a4==1))) [L386] COND FALSE !(( a29 <= 140 && ((a8==15) && ((((((a25==10) || (a25==11)) && (input == 3)) && a23 <= -43 ) && (a3==1)) && !(a4==1))))) [L393] COND FALSE !((((((a8==15) && (((input == 3) && (((a25==10) || (a25==11)) || (a25==12))) && (a3==1))) && a23 <= -43 ) && !(a4==1)) && 277 < a29 )) [L400] COND FALSE !(((!(a4==1) && ((a25==9) && ((a8==15) && ((a3==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 1)))))) && a29 <= 140 )) [L413] COND FALSE !(((a8==15) && ((( 306 < a23 && (((((a25==11) || (a25==12)) || (a25==13)) && (input == 6)) && ((245 < a29) && (277 >= a29)) )) && (a4==1)) && (a3==1)))) [L419] COND FALSE !((((((!(a4==1) && ((a8==15) && (input == 2))) && (a3==1)) && ((140 < a29) && (245 >= a29)) ) && (a25==12)) && a23 <= -43 )) [L424] COND FALSE !(( a23 <= -43 && (( a29 <= 140 && ((a8==15) && (!(a4==1) && (((a25==12) || (a25==13)) && (input == 3))))) && (a3==1)))) [L431] COND FALSE !(((((((input == 6) && ((((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ( ((140 < a29) && (245 >= a29)) && (a25==10)))) && (a8==15)) && (a3==1)) && !(a4==1)) && ((-43 < a23) && (138 >= a23)) )) [L438] COND FALSE !(((!(a4==1) && (((((a3==1) && (input == 4)) && (a25==11)) && ((245 < a29) && (277 >= a29)) ) && a23 <= -43 )) && (a8==15))) [L445] COND FALSE !(((a3==1) && ( ((140 < a29) && (245 >= a29)) && ( a23 <= -43 && ((a8==15) && (!(a4==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 3)))))))) [L452] COND FALSE !(((((!(a4==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 4)) && 277 < a29 )) && a23 <= -43 ) && (a8==15)) && (a3==1))) [L458] COND FALSE !(( ((140 < a29) && (245 >= a29)) && ((a8==15) && (((a25==12) && (!(a4==1) && ( a23 <= -43 && (input == 4)))) && (a3==1))))) [L465] COND FALSE !(((a3==1) && ((((((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || (((a25==9) && (!(a4==1) && a29 <= 140 )) && a23 <= -43 )) && (input == 2)) && (a8==15)))) [L472] COND FALSE !(((((input == 5) && (((((a25==12) && ((a4==1) && 277 < a29 )) && 306 < a23 ) || ((( 277 < a29 && (a4==1)) && (a25==13)) && 306 < a23 )) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 ))) && (a8==15)) && (a3==1))) [L479] COND FALSE !(((a25==12) && (((a3==1) && ((((input == 1) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) ) && !(a4==1))) && (a8==15)))) [L489] COND FALSE !((((a8==15) && (( ((-43 < a23) && (138 >= a23)) && ((input == 1) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (((a25==13) && a29 <= 140 ) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))))) && (a3==1))) && !(a4==1))) [L502] COND FALSE !(((a3==1) && ((a8==15) && (((((( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 3)) && !(a4==1)) && a23 <= -43 )))) [L509] COND FALSE !((( a29 <= 140 && ( ((-43 < a23) && (138 >= a23)) && ((a3==1) && ((a8==15) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 2)))))) && !(a4==1))) [L516] COND FALSE !((((a4==1) && ( 306 < a23 && ((((input == 3) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a8==15))) [L528] COND FALSE !(((a4==1) && ((((a3==1) && ( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 4)))) && a29 <= 140 ) && (a8==15)))) [L533] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 5)) && (a3==1))) && (a25==9)) && a29 <= 140 ) && (a8==15))) [L539] COND FALSE !(( 306 < a23 && (((a8==15) && ((((input == 1) && ((a25==11) || (a25==12))) && (a4==1)) && (a3==1))) && ((140 < a29) && (245 >= a29)) ))) [L544] COND FALSE !(((((a8==15) && ( a23 <= -43 && (((input == 1) && ((a25==10) || (a25==11))) && a29 <= 140 ))) && !(a4==1)) && (a3==1))) [L551] COND FALSE !(((( a23 <= -43 && (!(a4==1) && ((a3==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 5))))) && (a8==15)) && ((140 < a29) && (245 >= a29)) )) [L557] COND FALSE !(((a3==1) && ( ((-43 < a23) && (138 >= a23)) && ((a8==15) && ((((((a25==10) || (a25==11)) || (a25==12)) && (input == 5)) && a29 <= 140 ) && !(a4==1)))))) [L563] COND FALSE !(( 306 < a23 && (((a3==1) && ( 277 < a29 && (((input == 4) && (((a25==9) || (a25==10)) || (a25==11))) && (a8==15)))) && (a4==1)))) [L568] COND FALSE !((!(a4==1) && ( a23 <= -43 && ((a8==15) && (((((a25==12) || ((a25==10) || (a25==11))) && (input == 1)) && (a3==1)) && 277 < a29 ))))) [L574] COND FALSE !(( 277 < a29 && (((a25==13) && ( a23 <= -43 && (!(a4==1) && ((input == 1) && (a3==1))))) && (a8==15)))) [L577] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (((a25==9) && ((input == 4) && !(a4==1))) && a29 <= 140 )) && (a3==1)) && (a8==15))) [L583] COND FALSE !(((a8==15) && ((((a3==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 3)) && (a4==1))) && 306 < a23 ) && a29 <= 140 ))) [L588] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && ((a3==1) && (!(a4==1) && ((input == 4) && (((a25==10) && ((140 < a29) && (245 >= a29)) ) || (((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9)))))))) && (a8==15))) [L600] COND FALSE !(((((a8==15) && ((!(a4==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 6))) && (a3==1))) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) )) [L605] COND FALSE !(( a29 <= 140 && (((a4==1) && ((a8==15) && (((input == 6) && (((a25==10) || (a25==11)) || (a25==12))) && 306 < a23 ))) && (a3==1)))) [L617] COND FALSE !(((((((a3==1) && ((input == 5) && ((a25==11) || (a25==12)))) && (a4==1)) && 306 < a23 ) && ((140 < a29) && (245 >= a29)) ) && (a8==15))) [L623] COND TRUE ((((a4==1) && ( 306 < a23 && ((a8==15) && (((a25==11) || (a25==12)) && (input == 2))))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)) [L624] a29 = ((((a29 / -5) - 119439) + 125177) * -5) [L625] a23 = (((a23 + 0) - 600293) - 11) [L626] a4 = 0 [L627] a25 = 10 [L629] return 21; [L1044] RET, EXPR calculate_output(input) [L1044] output = calculate_output(input) [L1036] COND TRUE 1 [L1039] int input; [L1040] input = __VERIFIER_nondet_int() [L1041] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1044] CALL, EXPR calculate_output(input) [L25] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L28] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L31] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L34] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L37] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L40] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L43] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L46] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L49] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L52] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L55] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L58] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L61] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L64] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L67] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L70] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L73] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L76] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L79] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L82] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L85] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L88] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L91] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L94] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L97] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L100] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L103] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L106] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L109] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L112] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L115] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L118] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L121] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L124] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L127] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L130] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L133] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L136] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L139] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L142] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L145] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L148] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L151] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L154] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L157] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L160] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L163] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L166] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L169] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L172] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L175] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L178] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L181] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L184] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L187] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L190] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L193] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L196] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L199] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L202] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L205] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L209] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L216] COND FALSE !((!(a4==1) && (((a3==1) && ((((((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 4)) && a23 <= -43 )) && (a8==15)))) [L223] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L229] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L235] COND FALSE !((((a8==15) && (((((((a4==1) && 277 < a29 ) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 )) && (input == 6))) && (a3==1))) [L242] COND FALSE !(((((input == 4) && (( a23 <= -43 && ((a25==9) && (!(a4==1) && a29 <= 140 ))) || (((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && ((a25==13) && ( 277 < a29 && (a4==1))))))) && (a8==15)) && (a3==1))) [L249] COND FALSE !((((a3==1) && (!(a4==1) && (( a29 <= 140 && ((input == 1) && ((a25==12) || ((a25==10) || (a25==11))))) && ((-43 < a23) && (138 >= a23)) ))) && (a8==15))) [L256] COND FALSE !(((( ((245 < a29) && (277 >= a29)) && (( a23 <= -43 && (!(a4==1) && (input == 1))) && (a25==11))) && (a8==15)) && (a3==1))) [L262] COND FALSE !(((((a4==1) && (((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && (a8==15))) && 306 < a23 ) && (a3==1))) [L267] COND FALSE !((( 277 < a29 && (((a8==15) && ( a23 <= -43 && ((input == 2) && (a3==1)))) && !(a4==1))) && (a25==13))) [L270] COND FALSE !(( a29 <= 140 && ((((a8==15) && ((a3==1) && ((input == 1) && ((a25==12) || (a25==13))))) && !(a4==1)) && a23 <= -43 ))) [L277] COND FALSE !((((a4==1) && ((a8==15) && (((a3==1) && (((a25==9) || (a25==10)) && (input == 5))) && ((140 < a29) && (245 >= a29)) ))) && 306 < a23 )) [L282] COND FALSE !(((a3==1) && (((((input == 5) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9))))) && (a8==15)) && !(a4==1)) && a23 <= -43 ))) [L289] COND FALSE !(((a8==15) && ((((!(a4==1) && (((a25==12) || (a25==13)) && (input == 4))) && a23 <= -43 ) && a29 <= 140 ) && (a3==1)))) [L296] COND FALSE !(((a8==15) && (!(a4==1) && ( a23 <= -43 && ((a3==1) && ( 277 < a29 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 6)))))))) [L301] COND FALSE !(( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) ))) [L307] COND FALSE !(((((a8==15) && ( a29 <= 140 && ( a23 <= -43 && ((input == 2) && ((a25==10) || (a25==11)))))) && !(a4==1)) && (a3==1))) [L312] COND FALSE !(((a3==1) && ( ((245 < a29) && (277 >= a29)) && (((a4==1) && ((a8==15) && ((((a25==11) || (a25==12)) || (a25==13)) && (input == 5)))) && 306 < a23 )))) [L319] COND FALSE !(((((a8==15) && (((a4==1) && ((input == 2) && ((a25==13) || ((a25==11) || (a25==12))))) && ((245 < a29) && (277 >= a29)) )) && 306 < a23 ) && (a3==1))) [L324] COND FALSE !((( 306 < a23 && ((a8==15) && ((((input == 6) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a4==1))) [L331] COND FALSE !(((((a8==15) && (((((a25==11) || (a25==12)) && (input == 4)) && 306 < a23 ) && (a3==1))) && (a4==1)) && ((140 < a29) && (245 >= a29)) )) [L336] COND FALSE !(( a23 <= -43 && ( ((140 < a29) && (245 >= a29)) && (((a8==15) && (((input == 4) && ((a25==11) || ((a25==9) || (a25==10)))) && !(a4==1))) && (a3==1))))) [L342] COND FALSE !((((((((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ( 277 < a29 && (a25==9))) && (input == 1)) && a23 <= -43 ) && (a8==15)) && !(a4==1)) && (a3==1))) [L348] COND FALSE !((!(a4==1) && ( a29 <= 140 && ((((((a25==12) || (a25==13)) && (input == 2)) && a23 <= -43 ) && (a3==1)) && (a8==15))))) [L355] COND FALSE !(((a8==15) && (( 306 < a23 && ((a3==1) && ((input == 4) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))))) && (a4==1)))) [L360] COND FALSE !(((((input == 3) && (( a23 <= -43 && ((!(a4==1) && a29 <= 140 ) && (a25==9))) || (( 306 < a23 && (( 277 < a29 && (a4==1)) && (a25==12))) || ((((a4==1) && 277 < a29 ) && (a25==13)) && 306 < a23 )))) && (a3==1)) && (a8==15))) [L367] COND FALSE !(( 306 < a23 && ((a4==1) && (((((((a25==11) || (a25==12)) || (a25==13)) && (input == 3)) && (a8==15)) && (a3==1)) && ((245 < a29) && (277 >= a29)) )))) [L372] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((!(a4==1) && (input == 6)) && (a3==1)) && (a25==11)) && (a8==15)) && a23 <= -43 ))) [L379] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && (((a8==15) && ((input == 2) && ((( a29 <= 140 && (a25==13)) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ((a25==10) && ((140 < a29) && (245 >= a29)) )))) && (a3==1))) && !(a4==1))) [L386] COND FALSE !(( a29 <= 140 && ((a8==15) && ((((((a25==10) || (a25==11)) && (input == 3)) && a23 <= -43 ) && (a3==1)) && !(a4==1))))) [L393] COND FALSE !((((((a8==15) && (((input == 3) && (((a25==10) || (a25==11)) || (a25==12))) && (a3==1))) && a23 <= -43 ) && !(a4==1)) && 277 < a29 )) [L400] COND FALSE !(((!(a4==1) && ((a25==9) && ((a8==15) && ((a3==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 1)))))) && a29 <= 140 )) [L413] COND FALSE !(((a8==15) && ((( 306 < a23 && (((((a25==11) || (a25==12)) || (a25==13)) && (input == 6)) && ((245 < a29) && (277 >= a29)) )) && (a4==1)) && (a3==1)))) [L419] COND FALSE !((((((!(a4==1) && ((a8==15) && (input == 2))) && (a3==1)) && ((140 < a29) && (245 >= a29)) ) && (a25==12)) && a23 <= -43 )) [L424] COND FALSE !(( a23 <= -43 && (( a29 <= 140 && ((a8==15) && (!(a4==1) && (((a25==12) || (a25==13)) && (input == 3))))) && (a3==1)))) [L431] COND FALSE !(((((((input == 6) && ((((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ( ((140 < a29) && (245 >= a29)) && (a25==10)))) && (a8==15)) && (a3==1)) && !(a4==1)) && ((-43 < a23) && (138 >= a23)) )) [L438] COND FALSE !(((!(a4==1) && (((((a3==1) && (input == 4)) && (a25==11)) && ((245 < a29) && (277 >= a29)) ) && a23 <= -43 )) && (a8==15))) [L445] COND FALSE !(((a3==1) && ( ((140 < a29) && (245 >= a29)) && ( a23 <= -43 && ((a8==15) && (!(a4==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 3)))))))) [L452] COND FALSE !(((((!(a4==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 4)) && 277 < a29 )) && a23 <= -43 ) && (a8==15)) && (a3==1))) [L458] COND FALSE !(( ((140 < a29) && (245 >= a29)) && ((a8==15) && (((a25==12) && (!(a4==1) && ( a23 <= -43 && (input == 4)))) && (a3==1))))) [L465] COND FALSE !(((a3==1) && ((((((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || (((a25==9) && (!(a4==1) && a29 <= 140 )) && a23 <= -43 )) && (input == 2)) && (a8==15)))) [L472] COND FALSE !(((((input == 5) && (((((a25==12) && ((a4==1) && 277 < a29 )) && 306 < a23 ) || ((( 277 < a29 && (a4==1)) && (a25==13)) && 306 < a23 )) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 ))) && (a8==15)) && (a3==1))) [L479] COND FALSE !(((a25==12) && (((a3==1) && ((((input == 1) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) ) && !(a4==1))) && (a8==15)))) [L489] COND FALSE !((((a8==15) && (( ((-43 < a23) && (138 >= a23)) && ((input == 1) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (((a25==13) && a29 <= 140 ) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))))) && (a3==1))) && !(a4==1))) [L502] COND FALSE !(((a3==1) && ((a8==15) && (((((( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 3)) && !(a4==1)) && a23 <= -43 )))) [L509] COND FALSE !((( a29 <= 140 && ( ((-43 < a23) && (138 >= a23)) && ((a3==1) && ((a8==15) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 2)))))) && !(a4==1))) [L516] COND FALSE !((((a4==1) && ( 306 < a23 && ((((input == 3) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a8==15))) [L528] COND FALSE !(((a4==1) && ((((a3==1) && ( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 4)))) && a29 <= 140 ) && (a8==15)))) [L533] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 5)) && (a3==1))) && (a25==9)) && a29 <= 140 ) && (a8==15))) [L539] COND FALSE !(( 306 < a23 && (((a8==15) && ((((input == 1) && ((a25==11) || (a25==12))) && (a4==1)) && (a3==1))) && ((140 < a29) && (245 >= a29)) ))) [L544] COND FALSE !(((((a8==15) && ( a23 <= -43 && (((input == 1) && ((a25==10) || (a25==11))) && a29 <= 140 ))) && !(a4==1)) && (a3==1))) [L551] COND FALSE !(((( a23 <= -43 && (!(a4==1) && ((a3==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 5))))) && (a8==15)) && ((140 < a29) && (245 >= a29)) )) [L557] COND FALSE !(((a3==1) && ( ((-43 < a23) && (138 >= a23)) && ((a8==15) && ((((((a25==10) || (a25==11)) || (a25==12)) && (input == 5)) && a29 <= 140 ) && !(a4==1)))))) [L563] COND FALSE !(( 306 < a23 && (((a3==1) && ( 277 < a29 && (((input == 4) && (((a25==9) || (a25==10)) || (a25==11))) && (a8==15)))) && (a4==1)))) [L568] COND FALSE !((!(a4==1) && ( a23 <= -43 && ((a8==15) && (((((a25==12) || ((a25==10) || (a25==11))) && (input == 1)) && (a3==1)) && 277 < a29 ))))) [L574] COND FALSE !(( 277 < a29 && (((a25==13) && ( a23 <= -43 && (!(a4==1) && ((input == 1) && (a3==1))))) && (a8==15)))) [L577] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (((a25==9) && ((input == 4) && !(a4==1))) && a29 <= 140 )) && (a3==1)) && (a8==15))) [L583] COND FALSE !(((a8==15) && ((((a3==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 3)) && (a4==1))) && 306 < a23 ) && a29 <= 140 ))) [L588] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && ((a3==1) && (!(a4==1) && ((input == 4) && (((a25==10) && ((140 < a29) && (245 >= a29)) ) || (((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9)))))))) && (a8==15))) [L600] COND FALSE !(((((a8==15) && ((!(a4==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 6))) && (a3==1))) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) )) [L605] COND FALSE !(( a29 <= 140 && (((a4==1) && ((a8==15) && (((input == 6) && (((a25==10) || (a25==11)) || (a25==12))) && 306 < a23 ))) && (a3==1)))) [L617] COND FALSE !(((((((a3==1) && ((input == 5) && ((a25==11) || (a25==12)))) && (a4==1)) && 306 < a23 ) && ((140 < a29) && (245 >= a29)) ) && (a8==15))) [L623] COND FALSE !(((((a4==1) && ( 306 < a23 && ((a8==15) && (((a25==11) || (a25==12)) && (input == 2))))) && ((140 < a29) && (245 >= a29)) ) && (a3==1))) [L630] COND FALSE !(((((a8==15) && ( a23 <= -43 && (!(a4==1) && ((a25==11) && (input == 5))))) && (a3==1)) && ((245 < a29) && (277 >= a29)) )) [L637] COND FALSE !((((((((input == 2) && ((a25==9) || (a25==10))) && (a8==15)) && ((140 < a29) && (245 >= a29)) ) && 306 < a23 ) && (a3==1)) && (a4==1))) [L644] COND FALSE !(((a8==15) && (((( 277 < a29 && ((input == 2) && ((a25==11) || ((a25==9) || (a25==10))))) && (a4==1)) && (a3==1)) && 306 < a23 ))) [L649] COND FALSE !(((((( ((-43 < a23) && (138 >= a23)) && ((input == 3) && ((a25==12) || ((a25==10) || (a25==11))))) && !(a4==1)) && (a8==15)) && a29 <= 140 ) && (a3==1))) [L660] COND FALSE !((((!(a4==1) && ((((input == 6) && ((a25==12) || ((a25==10) || (a25==11)))) && (a8==15)) && ((-43 < a23) && (138 >= a23)) )) && (a3==1)) && a29 <= 140 )) [L665] COND FALSE !(((a25==9) && (( a29 <= 140 && ((a3==1) && (!(a4==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 2))))) && (a8==15)))) [L672] COND FALSE !((!(a4==1) && ( a23 <= -43 && (((a8==15) && (((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ( ((245 < a29) && (277 >= a29)) && (a25==13))) || ((a25==9) && 277 < a29 )) && (input == 3))) && (a3==1))))) [L677] COND FALSE !((((!(a4==1) && ((a3==1) && ((input == 5) && ((( ((245 < a29) && (277 >= a29)) && (a25==12)) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ((a25==9) && 277 < a29 ))))) && a23 <= -43 ) && (a8==15))) [L683] COND FALSE !(( a23 <= -43 && (!(a4==1) && ( ((245 < a29) && (277 >= a29)) && ((a8==15) && ((a25==11) && ((a3==1) && (input == 3)))))))) [L690] COND FALSE !(((((a8==15) && ( 306 < a23 && ( ((140 < a29) && (245 >= a29)) && ((input == 1) && ((a25==9) || (a25==10)))))) && (a4==1)) && (a3==1))) [L696] COND FALSE !((!(a4==1) && (((((a3==1) && ((input == 2) && (((a25==9) || (a25==10)) || (a25==11)))) && ((140 < a29) && (245 >= a29)) ) && a23 <= -43 ) && (a8==15)))) [L708] COND FALSE !(((((((( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) ))) && (input == 6)) && (a3==1)) && 306 < a23 ) && (a4==1)) && (a8==15))) [L714] COND FALSE !(( 306 < a23 && ((a8==15) && ( 277 < a29 && ((a4==1) && ((a3==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 5)))))))) [L719] COND FALSE !(((( 277 < a29 && ((a8==15) && (((input == 6) && a23 <= -43 ) && (a25==13)))) && !(a4==1)) && (a3==1))) [L733] COND FALSE !(((a3==1) && (((!(a4==1) && ((( ((140 < a29) && (245 >= a29)) && (a25==10)) || (( a29 <= 140 && (a25==13)) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))) && (input == 3))) && ((-43 < a23) && (138 >= a23)) ) && (a8==15)))) [L740] COND FALSE !(((a3==1) && (( 306 < a23 && (((a4==1) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 1))) && a29 <= 140 )) && (a8==15)))) [L745] COND FALSE !((((( a23 <= -43 && ((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) ))))) && (a3==1)) && !(a4==1)) && (a8==15))) [L752] COND FALSE !(((!(a4==1) && (((a8==15) && ( a29 <= 140 && (((a25==10) || (a25==11)) && (input == 5)))) && a23 <= -43 )) && (a3==1))) [L759] COND FALSE !((((((a8==15) && ((a3==1) && ( a23 <= -43 && (input == 5)))) && !(a4==1)) && (a25==13)) && 277 < a29 )) [L771] COND FALSE !(((a8==15) && ((a3==1) && ( 306 < a23 && ((((((a25==11) || (a25==12)) || (a25==13)) && (input == 1)) && (a4==1)) && ((245 < a29) && (277 >= a29)) ))))) [L776] COND FALSE !((!(a4==1) && (((((((a25==12) || (a25==13)) && (input == 6)) && (a8==15)) && a23 <= -43 ) && (a3==1)) && a29 <= 140 ))) [L782] COND FALSE !(((a3==1) && (( a23 <= -43 && (((input == 6) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && !(a4==1))) && (a8==15)))) [L789] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 6)) && (a25==9))) && a29 <= 140 ) && (a3==1)) && (a8==15))) [L794] COND FALSE !((( a29 <= 140 && ((a3==1) && ((a8==15) && ((a25==13) && ( 306 < a23 && (input == 1)))))) && (a4==1))) [L801] COND FALSE !(((a3==1) && (((a8==15) && (((( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9)))) && (input == 5)) && 306 < a23 )) && (a4==1)))) [L806] COND FALSE !((((((a8==15) && ((input == 4) && (( 277 < a29 && (a25==9)) || (( ((245 < a29) && (277 >= a29)) && (a25==12)) || ( ((245 < a29) && (277 >= a29)) && (a25==13)))))) && !(a4==1)) && a23 <= -43 ) && (a3==1))) [L818] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (!(a4==1) && ((input == 5) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (( a29 <= 140 && (a25==13)) || ((a25==9) && ((140 < a29) && (245 >= a29)) )))))) && (a8==15)) && (a3==1))) [L824] COND FALSE !(( a29 <= 140 && ((((( 306 < a23 && (input == 2)) && (a25==13)) && (a4==1)) && (a3==1)) && (a8==15)))) [L827] COND TRUE ((a8==15) && ((((a3==1) && ((((a25==10) || (a25==11)) && (input == 6)) && a29 <= 140 )) && a23 <= -43 ) && !(a4==1))) [L828] a23 = (((((a23 / 5) + -54477) / 5) % 90)- -119) [L829] a4 = 1 [L830] a25 = 10 [L832] 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 TRUE ((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15)) [L35] CALL reach_error() [L4] __assert_fail("0", "Problem11_label20.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: 159.7s, OverallIterations: 23, TraceHistogramMax: 5, AutomataDifference: 92.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1088 SDtfs, 15148 SDslu, 1944 SDs, 0 SdLazy, 36059 SolverSat, 4799 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 59.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 419 GetRequests, 207 SyntacticMatches, 2 SemanticMatches, 210 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 9.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20801occurred in iteration=19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.7s AutomataMinimizationTime, 22 MinimizatonAttempts, 5560 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 56.6s InterpolantComputationTime, 6369 NumberOfCodeBlocks, 6369 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 5924 ConstructedInterpolants, 0 QuantifiedInterpolants, 8530939 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 3 PerfectInterpolantSequences, 3833/4519 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...