/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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/Problem14_label03.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 12:45:44,500 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 12:45:44,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 12:45:44,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 12:45:44,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 12:45:44,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 12:45:44,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 12:45:44,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 12:45:44,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 12:45:44,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 12:45:44,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 12:45:44,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 12:45:44,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 12:45:44,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 12:45:44,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 12:45:44,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 12:45:44,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 12:45:44,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 12:45:44,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 12:45:44,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 12:45:44,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 12:45:44,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 12:45:44,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 12:45:44,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 12:45:44,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 12:45:44,626 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 12:45:44,627 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 12:45:44,628 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 12:45:44,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 12:45:44,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 12:45:44,630 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 12:45:44,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 12:45:44,633 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 12:45:44,635 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 12:45:44,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 12:45:44,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 12:45:44,638 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 12:45:44,638 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 12:45:44,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 12:45:44,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 12:45:44,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 12:45:44,650 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 [2020-10-28 12:45:44,703 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 12:45:44,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 12:45:44,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 12:45:44,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 12:45:44,709 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 12:45:44,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 12:45:44,709 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 12:45:44,710 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 12:45:44,710 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 12:45:44,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 12:45:44,711 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 12:45:44,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 12:45:44,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 12:45:44,712 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 12:45:44,712 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 12:45:44,713 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 12:45:44,713 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 12:45:44,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 12:45:44,713 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 12:45:44,713 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 12:45:44,714 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 12:45:44,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 12:45:44,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 12:45:44,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 12:45:44,715 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 12:45:44,715 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 12:45:44,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 12:45:44,715 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 12:45:44,715 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 12:45:44,716 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 12:45:45,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 12:45:45,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 12:45:45,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 12:45:45,259 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 12:45:45,259 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 12:45:45,262 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label03.c [2020-10-28 12:45:45,345 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/72c914cc6/4026feec0be544a6b303161018aa66fc/FLAG840a1e765 [2020-10-28 12:45:46,191 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 12:45:46,192 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label03.c [2020-10-28 12:45:46,224 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/72c914cc6/4026feec0be544a6b303161018aa66fc/FLAG840a1e765 [2020-10-28 12:45:46,450 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/72c914cc6/4026feec0be544a6b303161018aa66fc [2020-10-28 12:45:46,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 12:45:46,464 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 12:45:46,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 12:45:46,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 12:45:46,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 12:45:46,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 12:45:46" (1/1) ... [2020-10-28 12:45:46,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@522b80ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:45:46, skipping insertion in model container [2020-10-28 12:45:46,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 12:45:46" (1/1) ... [2020-10-28 12:45:46,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 12:45:46,551 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 12:45:47,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 12:45:47,167 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 12:45:47,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 12:45:47,433 INFO L208 MainTranslator]: Completed translation [2020-10-28 12:45:47,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:45:47 WrapperNode [2020-10-28 12:45:47,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 12:45:47,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 12:45:47,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 12:45:47,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 12:45:47,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:45:47" (1/1) ... [2020-10-28 12:45:47,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:45:47" (1/1) ... [2020-10-28 12:45:47,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:45:47" (1/1) ... [2020-10-28 12:45:47,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:45:47" (1/1) ... [2020-10-28 12:45:47,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:45:47" (1/1) ... [2020-10-28 12:45:47,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:45:47" (1/1) ... [2020-10-28 12:45:47,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:45:47" (1/1) ... [2020-10-28 12:45:47,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 12:45:47,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 12:45:47,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 12:45:47,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 12:45:47,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:45:47" (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 [2020-10-28 12:45:47,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 12:45:47,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 12:45:47,727 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 12:45:47,727 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 12:45:47,728 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 12:45:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 12:45:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 12:45:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 12:45:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 12:45:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 12:45:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 12:45:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 12:45:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 12:45:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 12:45:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 12:45:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 12:45:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 12:45:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 12:45:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 12:45:49,577 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 12:45:49,577 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 12:45:49,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 12:45:49 BoogieIcfgContainer [2020-10-28 12:45:49,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 12:45:49,582 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 12:45:49,583 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 12:45:49,587 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 12:45:49,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 12:45:46" (1/3) ... [2020-10-28 12:45:49,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59fedfb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 12:45:49, skipping insertion in model container [2020-10-28 12:45:49,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:45:47" (2/3) ... [2020-10-28 12:45:49,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59fedfb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 12:45:49, skipping insertion in model container [2020-10-28 12:45:49,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 12:45:49" (3/3) ... [2020-10-28 12:45:49,592 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label03.c [2020-10-28 12:45:49,607 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 12:45:49,614 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 12:45:49,631 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 12:45:49,666 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 12:45:49,667 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 12:45:49,667 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 12:45:49,667 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 12:45:49,667 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 12:45:49,667 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 12:45:49,668 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 12:45:49,668 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 12:45:49,698 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states. [2020-10-28 12:45:49,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-28 12:45:49,708 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:45:49,710 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:45:49,710 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:45:49,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:45:49,717 INFO L82 PathProgramCache]: Analyzing trace with hash 35937696, now seen corresponding path program 1 times [2020-10-28 12:45:49,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:45:49,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1322037832] [2020-10-28 12:45:49,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:45:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:45:50,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:45:50,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:45:50,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-28 12:45:50,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:45:50,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 751 [2020-10-28 12:45:50,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:45:50,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:45:50,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:45:50,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:45:50,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-28 12:45:50,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 12:45:50,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:45:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:45:50,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:45:50,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:45:50,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:45:50,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:45:50,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 12:45:50,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:45:50,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:45:50,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:45:50,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:45:50,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:45:50,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:45:50,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:45:50,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1322037832] [2020-10-28 12:45:50,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 12:45:50,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 12:45:50,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506553551] [2020-10-28 12:45:50,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 12:45:50,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:45:51,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 12:45:51,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 12:45:51,011 INFO L87 Difference]: Start difference. First operand 258 states. Second operand 4 states. [2020-10-28 12:45:53,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:45:53,585 INFO L93 Difference]: Finished difference Result 703 states and 1246 transitions. [2020-10-28 12:45:53,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:45:53,588 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2020-10-28 12:45:53,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:45:53,604 INFO L225 Difference]: With dead ends: 703 [2020-10-28 12:45:53,604 INFO L226 Difference]: Without dead ends: 381 [2020-10-28 12:45:53,613 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 [2020-10-28 12:45:53,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2020-10-28 12:45:53,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 377. [2020-10-28 12:45:53,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2020-10-28 12:45:53,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 553 transitions. [2020-10-28 12:45:53,700 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 553 transitions. Word has length 58 [2020-10-28 12:45:53,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:45:53,701 INFO L481 AbstractCegarLoop]: Abstraction has 377 states and 553 transitions. [2020-10-28 12:45:53,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 12:45:53,701 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 553 transitions. [2020-10-28 12:45:53,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-28 12:45:53,708 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:45:53,709 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 12:45:53,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 12:45:53,709 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:45:53,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:45:53,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1283510676, now seen corresponding path program 1 times [2020-10-28 12:45:53,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:45:53,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [283134721] [2020-10-28 12:45:53,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:45:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:45:53,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:45:53,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:45:54,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:45:55,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:45:55,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-28 12:45:55,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:45:55,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1666 [2020-10-28 12:45:55,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:45:55,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:45:55,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:45:55,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:45:55,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-28 12:45:55,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:45:55,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:45:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:45:55,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:45:55,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:45:55,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:45:55,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:45:55,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 12:45:55,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:45:55,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:45:55,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:45:55,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:45:55,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:45:55,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:45:55,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:45:55,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:45:55,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:45:55,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:45:55,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-28 12:45:55,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:45:55,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-28 12:45:55,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:45:55,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:45:55,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:45:55,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:45:55,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-28 12:45:55,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:45:55,824 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:45:55,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [283134721] [2020-10-28 12:45:55,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 12:45:55,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 12:45:55,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479840076] [2020-10-28 12:45:55,827 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:45:55,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:45:55,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:45:55,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:45:55,828 INFO L87 Difference]: Start difference. First operand 377 states and 553 transitions. Second operand 7 states. [2020-10-28 12:45:58,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:45:58,883 INFO L93 Difference]: Finished difference Result 1159 states and 1756 transitions. [2020-10-28 12:45:58,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 12:45:58,889 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 127 [2020-10-28 12:45:58,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:45:58,898 INFO L225 Difference]: With dead ends: 1159 [2020-10-28 12:45:58,898 INFO L226 Difference]: Without dead ends: 788 [2020-10-28 12:45:58,900 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-28 12:45:58,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2020-10-28 12:45:59,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 751. [2020-10-28 12:45:59,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 751 states. [2020-10-28 12:45:59,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 992 transitions. [2020-10-28 12:45:59,018 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 992 transitions. Word has length 127 [2020-10-28 12:45:59,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:45:59,020 INFO L481 AbstractCegarLoop]: Abstraction has 751 states and 992 transitions. [2020-10-28 12:45:59,020 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:45:59,020 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 992 transitions. [2020-10-28 12:45:59,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-28 12:45:59,034 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:45:59,035 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:45:59,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 12:45:59,035 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:45:59,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:45:59,039 INFO L82 PathProgramCache]: Analyzing trace with hash 352584804, now seen corresponding path program 1 times [2020-10-28 12:45:59,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:45:59,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [699688506] [2020-10-28 12:45:59,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:45:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:45:59,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:45:59,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:00,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:00,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-28 12:46:00,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:46:00,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1517 [2020-10-28 12:46:00,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:00,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:00,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:46:00,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:46:00,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-28 12:46:00,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:46:00,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:46:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:00,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:00,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:00,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:46:00,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:46:00,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 12:46:00,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:00,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:00,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:46:00,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:46:00,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:46:00,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:46:00,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:46:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:00,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:01,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:01,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 12:46:01,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:46:01,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-10-28 12:46:01,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:01,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:01,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:46:01,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:46:01,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 12:46:01,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:46:01,299 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:46:01,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [699688506] [2020-10-28 12:46:01,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 12:46:01,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 12:46:01,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699790001] [2020-10-28 12:46:01,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 12:46:01,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:46:01,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 12:46:01,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-28 12:46:01,307 INFO L87 Difference]: Start difference. First operand 751 states and 992 transitions. Second operand 8 states. [2020-10-28 12:46:04,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:46:04,445 INFO L93 Difference]: Finished difference Result 1905 states and 2598 transitions. [2020-10-28 12:46:04,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 12:46:04,446 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 131 [2020-10-28 12:46:04,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:46:04,454 INFO L225 Difference]: With dead ends: 1905 [2020-10-28 12:46:04,454 INFO L226 Difference]: Without dead ends: 1160 [2020-10-28 12:46:04,457 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-28 12:46:04,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2020-10-28 12:46:04,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 753. [2020-10-28 12:46:04,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 753 states. [2020-10-28 12:46:04,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 967 transitions. [2020-10-28 12:46:04,513 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 967 transitions. Word has length 131 [2020-10-28 12:46:04,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:46:04,514 INFO L481 AbstractCegarLoop]: Abstraction has 753 states and 967 transitions. [2020-10-28 12:46:04,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 12:46:04,514 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 967 transitions. [2020-10-28 12:46:04,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-28 12:46:04,517 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:46:04,517 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 12:46:04,517 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 12:46:04,518 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:46:04,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:46:04,518 INFO L82 PathProgramCache]: Analyzing trace with hash -769517684, now seen corresponding path program 1 times [2020-10-28 12:46:04,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:46:04,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1910976806] [2020-10-28 12:46:04,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:46:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:04,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:04,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:05,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:05,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-28 12:46:05,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:46:05,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 503 [2020-10-28 12:46:05,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:05,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:05,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:46:05,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-28 12:46:05,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-28 12:46:05,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:46:05,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:46:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:05,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:05,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:05,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:46:05,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:46:05,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 12:46:05,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:05,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:05,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:46:05,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:46:05,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:46:05,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:46:05,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:46:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:05,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:05,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:05,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-28 12:46:05,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:46:05,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-28 12:46:05,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:05,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:05,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:46:05,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:46:05,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-28 12:46:05,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:46:05,424 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 49 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:46:05,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1910976806] [2020-10-28 12:46:05,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:46:05,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:46:05,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199792282] [2020-10-28 12:46:05,426 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:46:05,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:46:05,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:46:05,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:46:05,427 INFO L87 Difference]: Start difference. First operand 753 states and 967 transitions. Second operand 5 states. [2020-10-28 12:46:07,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:46:07,948 INFO L93 Difference]: Finished difference Result 2066 states and 2724 transitions. [2020-10-28 12:46:07,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:46:07,950 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2020-10-28 12:46:07,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:46:07,962 INFO L225 Difference]: With dead ends: 2066 [2020-10-28 12:46:07,962 INFO L226 Difference]: Without dead ends: 1319 [2020-10-28 12:46:07,965 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 [2020-10-28 12:46:07,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2020-10-28 12:46:08,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 1315. [2020-10-28 12:46:08,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1315 states. [2020-10-28 12:46:08,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1315 states and 1627 transitions. [2020-10-28 12:46:08,031 INFO L78 Accepts]: Start accepts. Automaton has 1315 states and 1627 transitions. Word has length 142 [2020-10-28 12:46:08,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:46:08,033 INFO L481 AbstractCegarLoop]: Abstraction has 1315 states and 1627 transitions. [2020-10-28 12:46:08,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:46:08,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1627 transitions. [2020-10-28 12:46:08,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-10-28 12:46:08,039 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:46:08,039 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:46:08,040 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 12:46:08,040 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:46:08,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:46:08,040 INFO L82 PathProgramCache]: Analyzing trace with hash -848373276, now seen corresponding path program 1 times [2020-10-28 12:46:08,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:46:08,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1141623653] [2020-10-28 12:46:08,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:46:08,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:08,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:08,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:08,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:09,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:10,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:12,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:12,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-10-28 12:46:12,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 12:46:12,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4695 [2020-10-28 12:46:12,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:12,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:12,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:46:12,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-28 12:46:12,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-28 12:46:12,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:46:12,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:46:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:12,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:12,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:12,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:46:12,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:46:12,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 12:46:12,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:12,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:12,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:46:12,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:46:12,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:46:12,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:46:12,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:46:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:12,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:13,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:13,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-28 12:46:13,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:46:13,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-28 12:46:13,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:13,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:13,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:46:13,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:46:13,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-28 12:46:13,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:46:13,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-28 12:46:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:13,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:13,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:13,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-28 12:46:13,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:46:13,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-28 12:46:13,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:13,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:13,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:46:13,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:46:13,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-28 12:46:13,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:46:13,431 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 180 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 12:46:13,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1141623653] [2020-10-28 12:46:13,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:46:13,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:46:13,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110452127] [2020-10-28 12:46:13,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:46:13,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:46:13,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:46:13,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:46:13,435 INFO L87 Difference]: Start difference. First operand 1315 states and 1627 transitions. Second operand 7 states. [2020-10-28 12:46:16,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:46:16,137 INFO L93 Difference]: Finished difference Result 3394 states and 4324 transitions. [2020-10-28 12:46:16,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 12:46:16,138 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 225 [2020-10-28 12:46:16,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:46:16,150 INFO L225 Difference]: With dead ends: 3394 [2020-10-28 12:46:16,150 INFO L226 Difference]: Without dead ends: 1893 [2020-10-28 12:46:16,155 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-28 12:46:16,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1893 states. [2020-10-28 12:46:16,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1893 to 1875. [2020-10-28 12:46:16,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1875 states. [2020-10-28 12:46:16,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2127 transitions. [2020-10-28 12:46:16,230 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2127 transitions. Word has length 225 [2020-10-28 12:46:16,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:46:16,231 INFO L481 AbstractCegarLoop]: Abstraction has 1875 states and 2127 transitions. [2020-10-28 12:46:16,231 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:46:16,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2127 transitions. [2020-10-28 12:46:16,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2020-10-28 12:46:16,238 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:46:16,239 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1] [2020-10-28 12:46:16,239 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 12:46:16,239 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:46:16,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:46:16,241 INFO L82 PathProgramCache]: Analyzing trace with hash -648517496, now seen corresponding path program 1 times [2020-10-28 12:46:16,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:46:16,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [155897273] [2020-10-28 12:46:16,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:46:16,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:16,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:16,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:16,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:18,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:18,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:21,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:21,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 339 [2020-10-28 12:46:21,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 12:46:21,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 12:46:21,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:21,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:21,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:46:21,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:46:21,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-28 12:46:21,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:46:21,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:46:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:21,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:21,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:21,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:46:21,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:46:21,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 12:46:21,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:21,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:21,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:46:21,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:46:21,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:46:21,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:46:21,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:46:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:21,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:21,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:21,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 12:46:21,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:46:21,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 230 [2020-10-28 12:46:21,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:21,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:21,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:46:21,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:46:21,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-28 12:46:21,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:46:21,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-28 12:46:21,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:21,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:21,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:21,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 12:46:21,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:46:21,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 12:46:21,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:21,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:21,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:46:21,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-28 12:46:21,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:46:21,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:46:21,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-28 12:46:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:21,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:21,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:21,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-28 12:46:21,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:46:21,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-28 12:46:21,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:21,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:21,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:46:21,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-28 12:46:21,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:46:21,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:46:22,126 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 150 proven. 146 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-28 12:46:22,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [155897273] [2020-10-28 12:46:22,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:46:22,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:46:22,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712661437] [2020-10-28 12:46:22,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:46:22,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:46:22,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:46:22,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:46:22,130 INFO L87 Difference]: Start difference. First operand 1875 states and 2127 transitions. Second operand 7 states. [2020-10-28 12:46:24,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:46:24,351 INFO L93 Difference]: Finished difference Result 4316 states and 4979 transitions. [2020-10-28 12:46:24,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 12:46:24,355 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 323 [2020-10-28 12:46:24,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:46:24,369 INFO L225 Difference]: With dead ends: 4316 [2020-10-28 12:46:24,369 INFO L226 Difference]: Without dead ends: 2447 [2020-10-28 12:46:24,375 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:46:24,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2447 states. [2020-10-28 12:46:24,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2447 to 2433. [2020-10-28 12:46:24,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2433 states. [2020-10-28 12:46:24,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2433 states to 2433 states and 2784 transitions. [2020-10-28 12:46:24,451 INFO L78 Accepts]: Start accepts. Automaton has 2433 states and 2784 transitions. Word has length 323 [2020-10-28 12:46:24,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:46:24,451 INFO L481 AbstractCegarLoop]: Abstraction has 2433 states and 2784 transitions. [2020-10-28 12:46:24,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:46:24,452 INFO L276 IsEmpty]: Start isEmpty. Operand 2433 states and 2784 transitions. [2020-10-28 12:46:24,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2020-10-28 12:46:24,461 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:46:24,462 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:46:24,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 12:46:24,462 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:46:24,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:46:24,463 INFO L82 PathProgramCache]: Analyzing trace with hash 283009104, now seen corresponding path program 1 times [2020-10-28 12:46:24,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:46:24,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1551199320] [2020-10-28 12:46:24,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:46:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:24,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:24,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:24,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:26,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:29,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:29,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 451 [2020-10-28 12:46:29,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 12:46:29,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-28 12:46:29,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:29,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:29,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:46:29,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 306 [2020-10-28 12:46:29,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-28 12:46:29,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:46:29,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:46:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:29,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:29,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:29,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:46:29,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:46:29,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 12:46:29,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:29,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:29,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:46:29,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:46:29,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:46:29,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 12:46:29,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:46:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:29,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:29,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:29,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 12:46:29,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:46:29,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 12:46:29,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:29,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:29,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:46:29,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:46:29,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:46:29,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:46:29,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 12:46:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:29,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:29,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:29,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 12:46:29,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:46:29,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 12:46:29,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:29,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:29,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:46:29,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:46:29,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:46:29,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:46:29,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-28 12:46:29,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:29,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:29,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:29,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 12:46:29,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:46:29,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-28 12:46:29,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:29,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:29,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:46:29,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:46:29,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-28 12:46:29,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:46:29,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-10-28 12:46:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:30,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:30,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:30,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-28 12:46:30,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:46:30,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-28 12:46:30,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:30,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:30,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:46:30,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:46:30,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-28 12:46:30,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:46:30,566 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 440 proven. 2 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2020-10-28 12:46:30,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1551199320] [2020-10-28 12:46:30,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:46:30,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:46:30,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548524172] [2020-10-28 12:46:30,568 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:46:30,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:46:30,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:46:30,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:46:30,570 INFO L87 Difference]: Start difference. First operand 2433 states and 2784 transitions. Second operand 7 states. [2020-10-28 12:46:33,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:46:33,166 INFO L93 Difference]: Finished difference Result 5268 states and 6221 transitions. [2020-10-28 12:46:33,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 12:46:33,167 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 433 [2020-10-28 12:46:33,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:46:33,179 INFO L225 Difference]: With dead ends: 5268 [2020-10-28 12:46:33,180 INFO L226 Difference]: Without dead ends: 2461 [2020-10-28 12:46:33,188 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-28 12:46:33,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2461 states. [2020-10-28 12:46:33,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2461 to 2241. [2020-10-28 12:46:33,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2241 states. [2020-10-28 12:46:33,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2241 states to 2241 states and 2435 transitions. [2020-10-28 12:46:33,299 INFO L78 Accepts]: Start accepts. Automaton has 2241 states and 2435 transitions. Word has length 433 [2020-10-28 12:46:33,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:46:33,300 INFO L481 AbstractCegarLoop]: Abstraction has 2241 states and 2435 transitions. [2020-10-28 12:46:33,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:46:33,301 INFO L276 IsEmpty]: Start isEmpty. Operand 2241 states and 2435 transitions. [2020-10-28 12:46:33,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 574 [2020-10-28 12:46:33,316 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:46:33,316 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:46:33,317 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 12:46:33,317 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:46:33,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:46:33,317 INFO L82 PathProgramCache]: Analyzing trace with hash 947361512, now seen corresponding path program 1 times [2020-10-28 12:46:33,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:46:33,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2142346363] [2020-10-28 12:46:33,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:46:33,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:33,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:33,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:34,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:36,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:38,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:38,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 591 [2020-10-28 12:46:38,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 12:46:38,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 12:46:38,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:38,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:38,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:46:38,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-28 12:46:38,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 301 [2020-10-28 12:46:38,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:46:38,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:46:38,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:38,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:38,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:38,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:46:38,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:46:38,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 12:46:38,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:38,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:38,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:46:38,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:46:38,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:46:38,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:46:38,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:46:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:38,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:38,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:38,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 12:46:38,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:46:38,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 12:46:38,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:38,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:38,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:46:38,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:46:38,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:46:38,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:46:38,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 12:46:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:38,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:38,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:38,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 12:46:38,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:46:38,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-28 12:46:38,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:38,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:38,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:46:38,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:46:38,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-28 12:46:38,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:46:38,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-28 12:46:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:38,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:39,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:39,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 12:46:39,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:46:39,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-10-28 12:46:39,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:39,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:39,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:46:39,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:46:39,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-28 12:46:39,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:46:39,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-28 12:46:39,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:39,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:39,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:39,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-28 12:46:39,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:46:39,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 243 [2020-10-28 12:46:39,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:39,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:39,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:46:39,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:46:39,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-28 12:46:39,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:46:39,794 INFO L134 CoverageAnalysis]: Checked inductivity of 864 backedges. 633 proven. 116 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-28 12:46:39,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2142346363] [2020-10-28 12:46:39,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:46:39,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 12:46:39,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231249819] [2020-10-28 12:46:39,797 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 12:46:39,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:46:39,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 12:46:39,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-28 12:46:39,798 INFO L87 Difference]: Start difference. First operand 2241 states and 2435 transitions. Second operand 8 states. [2020-10-28 12:46:42,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:46:42,159 INFO L93 Difference]: Finished difference Result 4878 states and 5414 transitions. [2020-10-28 12:46:42,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 12:46:42,160 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 573 [2020-10-28 12:46:42,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:46:42,176 INFO L225 Difference]: With dead ends: 4878 [2020-10-28 12:46:42,176 INFO L226 Difference]: Without dead ends: 3009 [2020-10-28 12:46:42,182 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-28 12:46:42,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3009 states. [2020-10-28 12:46:42,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3009 to 2803. [2020-10-28 12:46:42,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2803 states. [2020-10-28 12:46:42,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2803 states to 2803 states and 3069 transitions. [2020-10-28 12:46:42,273 INFO L78 Accepts]: Start accepts. Automaton has 2803 states and 3069 transitions. Word has length 573 [2020-10-28 12:46:42,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:46:42,275 INFO L481 AbstractCegarLoop]: Abstraction has 2803 states and 3069 transitions. [2020-10-28 12:46:42,275 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 12:46:42,275 INFO L276 IsEmpty]: Start isEmpty. Operand 2803 states and 3069 transitions. [2020-10-28 12:46:42,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590 [2020-10-28 12:46:42,293 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:46:42,293 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 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] [2020-10-28 12:46:42,294 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 12:46:42,294 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:46:42,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:46:42,294 INFO L82 PathProgramCache]: Analyzing trace with hash -763794680, now seen corresponding path program 1 times [2020-10-28 12:46:42,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:46:42,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1527156405] [2020-10-28 12:46:42,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:46:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:42,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:42,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:45,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:46,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:47,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:47,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 607 [2020-10-28 12:46:47,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 12:46:47,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 12:46:47,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:47,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:47,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:46:47,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 366 [2020-10-28 12:46:47,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-28 12:46:47,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:46:47,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:46:47,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:47,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:47,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:47,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:46:47,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:46:47,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 12:46:47,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:47,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:47,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:46:47,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:46:47,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:46:47,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:46:47,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:46:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:47,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:47,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:47,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 12:46:47,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:46:47,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 12:46:47,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:47,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:47,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:46:47,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:46:47,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:46:47,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:46:47,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 12:46:47,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:47,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:47,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:47,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 12:46:47,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:46:47,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 12:46:47,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:47,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:47,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:46:47,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:46:47,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:46:47,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:46:47,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-28 12:46:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:47,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:47,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:47,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-28 12:46:47,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:46:47,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-28 12:46:47,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:47,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:47,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:46:47,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:46:47,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-28 12:46:47,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:46:47,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2020-10-28 12:46:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:47,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:48,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:48,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-28 12:46:48,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:46:48,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-28 12:46:48,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:48,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:48,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:46:48,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:46:48,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-28 12:46:48,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:46:48,402 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 553 proven. 2 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2020-10-28 12:46:48,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1527156405] [2020-10-28 12:46:48,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:46:48,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:46:48,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198567592] [2020-10-28 12:46:48,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:46:48,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:46:48,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:46:48,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:46:48,406 INFO L87 Difference]: Start difference. First operand 2803 states and 3069 transitions. Second operand 7 states. [2020-10-28 12:46:50,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:46:50,572 INFO L93 Difference]: Finished difference Result 6548 states and 7256 transitions. [2020-10-28 12:46:50,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 12:46:50,573 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 589 [2020-10-28 12:46:50,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:46:50,596 INFO L225 Difference]: With dead ends: 6548 [2020-10-28 12:46:50,597 INFO L226 Difference]: Without dead ends: 3933 [2020-10-28 12:46:50,605 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:46:50,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3933 states. [2020-10-28 12:46:50,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3933 to 3737. [2020-10-28 12:46:50,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3737 states. [2020-10-28 12:46:50,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3737 states to 3737 states and 4093 transitions. [2020-10-28 12:46:50,713 INFO L78 Accepts]: Start accepts. Automaton has 3737 states and 4093 transitions. Word has length 589 [2020-10-28 12:46:50,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:46:50,715 INFO L481 AbstractCegarLoop]: Abstraction has 3737 states and 4093 transitions. [2020-10-28 12:46:50,715 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:46:50,715 INFO L276 IsEmpty]: Start isEmpty. Operand 3737 states and 4093 transitions. [2020-10-28 12:46:50,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 634 [2020-10-28 12:46:50,737 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:46:50,737 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:46:50,738 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 12:46:50,738 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:46:50,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:46:50,739 INFO L82 PathProgramCache]: Analyzing trace with hash -1424207264, now seen corresponding path program 1 times [2020-10-28 12:46:50,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:46:50,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1876062821] [2020-10-28 12:46:50,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:46:50,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:51,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:51,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:52,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:56,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:56,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 651 [2020-10-28 12:46:56,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:46:56,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5056 [2020-10-28 12:46:56,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:56,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:56,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:46:56,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-28 12:46:56,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-28 12:46:56,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:46:56,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:46:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:56,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:56,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:56,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:46:56,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:46:56,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 12:46:56,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:56,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:56,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:46:56,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:46:56,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:46:56,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:46:56,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:46:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:56,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:56,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:56,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 12:46:56,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:46:56,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 12:46:56,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:56,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:56,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:46:56,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:46:56,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:46:56,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:46:56,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 12:46:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:56,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:56,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:56,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 12:46:56,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:46:56,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-28 12:46:56,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:56,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:56,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:46:56,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:46:56,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-28 12:46:56,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:46:56,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-28 12:46:56,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:56,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:56,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:56,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-28 12:46:56,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:46:56,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-10-28 12:46:56,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:56,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:56,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:46:56,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:46:56,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-28 12:46:56,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:46:56,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-10-28 12:46:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:56,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:56,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:46:56,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-28 12:46:56,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:46:56,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-28 12:46:56,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:46:56,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:46:56,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:46:56,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-28 12:46:56,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:46:56,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:46:57,339 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 426 proven. 176 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2020-10-28 12:46:57,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1876062821] [2020-10-28 12:46:57,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:46:57,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:46:57,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640762609] [2020-10-28 12:46:57,341 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:46:57,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:46:57,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:46:57,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:46:57,342 INFO L87 Difference]: Start difference. First operand 3737 states and 4093 transitions. Second operand 7 states. [2020-10-28 12:46:59,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:46:59,541 INFO L93 Difference]: Finished difference Result 7112 states and 7824 transitions. [2020-10-28 12:46:59,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 12:46:59,542 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 633 [2020-10-28 12:46:59,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:46:59,561 INFO L225 Difference]: With dead ends: 7112 [2020-10-28 12:46:59,561 INFO L226 Difference]: Without dead ends: 3747 [2020-10-28 12:46:59,570 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-28 12:46:59,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3747 states. [2020-10-28 12:46:59,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3747 to 3737. [2020-10-28 12:46:59,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3737 states. [2020-10-28 12:46:59,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3737 states to 3737 states and 4065 transitions. [2020-10-28 12:46:59,667 INFO L78 Accepts]: Start accepts. Automaton has 3737 states and 4065 transitions. Word has length 633 [2020-10-28 12:46:59,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:46:59,668 INFO L481 AbstractCegarLoop]: Abstraction has 3737 states and 4065 transitions. [2020-10-28 12:46:59,668 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:46:59,668 INFO L276 IsEmpty]: Start isEmpty. Operand 3737 states and 4065 transitions. [2020-10-28 12:46:59,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 733 [2020-10-28 12:46:59,678 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:46:59,678 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:46:59,679 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 12:46:59,679 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:46:59,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:46:59,679 INFO L82 PathProgramCache]: Analyzing trace with hash -2004392672, now seen corresponding path program 1 times [2020-10-28 12:46:59,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:46:59,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1819912329] [2020-10-28 12:46:59,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:46:59,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:46:59,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:46:59,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:02,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:04,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:04,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 752 [2020-10-28 12:47:04,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:47:04,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5056 [2020-10-28 12:47:04,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:04,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:04,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:47:04,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-28 12:47:04,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-28 12:47:04,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:04,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:47:04,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:04,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:04,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:04,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:47:04,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:04,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 12:47:04,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:04,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:04,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:04,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:04,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:04,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:05,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:47:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:05,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:05,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:05,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 12:47:05,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:05,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 12:47:05,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:05,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:05,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:05,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:05,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:05,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:05,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 12:47:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:05,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:05,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:05,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 12:47:05,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:05,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 12:47:05,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:05,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:05,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:05,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:05,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:05,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:05,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-28 12:47:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:05,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:05,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:05,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 12:47:05,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:05,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 12:47:05,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:05,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:05,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:05,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:05,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:05,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:05,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-28 12:47:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:05,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:05,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:05,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-28 12:47:05,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:05,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-10-28 12:47:05,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:05,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:05,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:47:05,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:05,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-28 12:47:05,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:05,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-28 12:47:05,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:05,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:05,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:05,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-28 12:47:05,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:05,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-28 12:47:05,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:05,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:05,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:47:05,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:47:05,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-28 12:47:05,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:05,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1409 backedges. 748 proven. 2 refuted. 0 times theorem prover too weak. 659 trivial. 0 not checked. [2020-10-28 12:47:05,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1819912329] [2020-10-28 12:47:05,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:47:05,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:47:05,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575322631] [2020-10-28 12:47:05,991 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:47:05,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:47:05,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:47:05,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:47:05,999 INFO L87 Difference]: Start difference. First operand 3737 states and 4065 transitions. Second operand 7 states. [2020-10-28 12:47:08,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:47:08,331 INFO L93 Difference]: Finished difference Result 8402 states and 9286 transitions. [2020-10-28 12:47:08,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 12:47:08,339 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 732 [2020-10-28 12:47:08,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:47:08,366 INFO L225 Difference]: With dead ends: 8402 [2020-10-28 12:47:08,366 INFO L226 Difference]: Without dead ends: 5037 [2020-10-28 12:47:08,377 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:47:08,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5037 states. [2020-10-28 12:47:08,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5037 to 4661. [2020-10-28 12:47:08,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4661 states. [2020-10-28 12:47:08,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4661 states to 4661 states and 5177 transitions. [2020-10-28 12:47:08,538 INFO L78 Accepts]: Start accepts. Automaton has 4661 states and 5177 transitions. Word has length 732 [2020-10-28 12:47:08,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:47:08,539 INFO L481 AbstractCegarLoop]: Abstraction has 4661 states and 5177 transitions. [2020-10-28 12:47:08,540 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:47:08,540 INFO L276 IsEmpty]: Start isEmpty. Operand 4661 states and 5177 transitions. [2020-10-28 12:47:08,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 809 [2020-10-28 12:47:08,555 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:47:08,555 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:47:08,556 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 12:47:08,556 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:47:08,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:47:08,557 INFO L82 PathProgramCache]: Analyzing trace with hash 26793892, now seen corresponding path program 1 times [2020-10-28 12:47:08,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:47:08,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1441013749] [2020-10-28 12:47:08,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:47:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:08,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:09,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:10,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:10,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 830 [2020-10-28 12:47:10,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:47:10,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2220 [2020-10-28 12:47:10,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:10,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:10,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:47:10,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-28 12:47:10,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-28 12:47:10,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:11,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:47:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:11,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:11,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:11,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:47:11,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:11,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 12:47:11,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:11,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:11,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:11,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:11,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:11,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:11,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:47:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:11,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:11,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:11,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 12:47:11,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:11,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 12:47:11,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:11,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:11,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:11,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:11,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:11,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:11,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 12:47:11,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:11,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:11,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:11,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 12:47:11,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:11,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 12:47:11,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:11,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:11,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:11,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:11,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:11,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:11,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-28 12:47:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:11,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:11,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:11,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 12:47:11,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:11,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 12:47:11,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:11,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:11,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:11,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:11,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:11,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:11,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-28 12:47:11,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:11,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:11,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:11,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-28 12:47:11,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:11,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-28 12:47:11,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:11,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:11,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:47:11,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:11,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-28 12:47:11,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:11,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-28 12:47:11,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:11,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:11,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:11,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-28 12:47:11,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:11,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-28 12:47:11,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:11,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:11,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:47:11,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:47:11,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-28 12:47:11,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:11,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-10-28 12:47:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:11,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:11,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:11,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-28 12:47:11,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:11,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-28 12:47:11,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:11,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:11,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:11,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-28 12:47:11,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:11,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:12,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1839 backedges. 623 proven. 75 refuted. 0 times theorem prover too weak. 1141 trivial. 0 not checked. [2020-10-28 12:47:12,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1441013749] [2020-10-28 12:47:12,231 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:47:12,231 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:47:12,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522109074] [2020-10-28 12:47:12,232 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:47:12,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:47:12,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:47:12,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:47:12,233 INFO L87 Difference]: Start difference. First operand 4661 states and 5177 transitions. Second operand 7 states. [2020-10-28 12:47:14,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:47:14,396 INFO L93 Difference]: Finished difference Result 9886 states and 11140 transitions. [2020-10-28 12:47:14,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 12:47:14,397 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 808 [2020-10-28 12:47:14,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:47:14,424 INFO L225 Difference]: With dead ends: 9886 [2020-10-28 12:47:14,424 INFO L226 Difference]: Without dead ends: 5407 [2020-10-28 12:47:14,438 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:47:14,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5407 states. [2020-10-28 12:47:14,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5407 to 5397. [2020-10-28 12:47:14,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5397 states. [2020-10-28 12:47:14,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5397 states to 5397 states and 5962 transitions. [2020-10-28 12:47:14,704 INFO L78 Accepts]: Start accepts. Automaton has 5397 states and 5962 transitions. Word has length 808 [2020-10-28 12:47:14,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:47:14,705 INFO L481 AbstractCegarLoop]: Abstraction has 5397 states and 5962 transitions. [2020-10-28 12:47:14,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:47:14,706 INFO L276 IsEmpty]: Start isEmpty. Operand 5397 states and 5962 transitions. [2020-10-28 12:47:14,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 906 [2020-10-28 12:47:14,720 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:47:14,721 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:47:14,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 12:47:14,722 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:47:14,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:47:14,723 INFO L82 PathProgramCache]: Analyzing trace with hash 585117360, now seen corresponding path program 1 times [2020-10-28 12:47:14,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:47:14,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [240395671] [2020-10-28 12:47:14,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:47:14,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:15,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:15,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:15,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:17,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:18,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:20,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:20,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 929 [2020-10-28 12:47:20,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 12:47:20,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5156 [2020-10-28 12:47:20,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:20,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:20,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:47:20,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 350 [2020-10-28 12:47:20,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-28 12:47:20,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:20,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:47:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:20,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:20,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:20,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:47:20,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:20,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 12:47:20,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:20,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:20,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:20,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:20,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:20,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:20,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:47:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:20,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:20,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:20,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 12:47:20,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:20,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 12:47:20,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:20,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:20,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:20,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:20,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:20,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:20,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 12:47:20,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:20,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:20,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:20,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 12:47:20,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:20,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 12:47:20,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:20,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:20,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:20,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:20,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:20,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:20,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-28 12:47:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:20,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:20,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:20,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 12:47:20,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:20,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-28 12:47:20,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:20,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:20,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:47:20,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:20,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-28 12:47:20,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:20,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-28 12:47:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:20,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:20,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:20,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-28 12:47:20,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:20,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-28 12:47:20,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:20,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:20,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:47:20,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:47:20,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-28 12:47:20,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:20,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-10-28 12:47:20,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:20,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:20,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:20,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-28 12:47:20,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:20,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 12:47:20,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:20,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:20,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:20,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-28 12:47:20,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:20,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:20,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2020-10-28 12:47:20,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:20,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:20,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:20,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-28 12:47:20,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:20,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-28 12:47:20,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:20,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:20,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:20,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-28 12:47:20,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:20,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:21,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2020-10-28 12:47:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:21,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:21,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:21,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 12:47:21,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:21,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 12:47:21,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:21,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:21,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:21,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-28 12:47:21,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:21,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:21,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2378 backedges. 723 proven. 325 refuted. 0 times theorem prover too weak. 1330 trivial. 0 not checked. [2020-10-28 12:47:21,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [240395671] [2020-10-28 12:47:21,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:47:21,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:47:21,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725091419] [2020-10-28 12:47:21,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:47:21,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:47:21,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:47:21,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:47:21,851 INFO L87 Difference]: Start difference. First operand 5397 states and 5962 transitions. Second operand 7 states. [2020-10-28 12:47:24,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:47:24,134 INFO L93 Difference]: Finished difference Result 10622 states and 11751 transitions. [2020-10-28 12:47:24,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 12:47:24,135 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 905 [2020-10-28 12:47:24,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:47:24,163 INFO L225 Difference]: With dead ends: 10622 [2020-10-28 12:47:24,163 INFO L226 Difference]: Without dead ends: 5409 [2020-10-28 12:47:24,177 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-28 12:47:24,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5409 states. [2020-10-28 12:47:24,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5409 to 5399. [2020-10-28 12:47:24,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5399 states. [2020-10-28 12:47:24,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 5399 states and 5816 transitions. [2020-10-28 12:47:24,295 INFO L78 Accepts]: Start accepts. Automaton has 5399 states and 5816 transitions. Word has length 905 [2020-10-28 12:47:24,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:47:24,295 INFO L481 AbstractCegarLoop]: Abstraction has 5399 states and 5816 transitions. [2020-10-28 12:47:24,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:47:24,296 INFO L276 IsEmpty]: Start isEmpty. Operand 5399 states and 5816 transitions. [2020-10-28 12:47:24,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 994 [2020-10-28 12:47:24,312 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:47:24,313 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:47:24,313 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-28 12:47:24,313 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:47:24,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:47:24,314 INFO L82 PathProgramCache]: Analyzing trace with hash 32194068, now seen corresponding path program 1 times [2020-10-28 12:47:24,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:47:24,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1981286597] [2020-10-28 12:47:24,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:47:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:24,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:24,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:29,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:29,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1019 [2020-10-28 12:47:29,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:47:29,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-10-28 12:47:29,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:29,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:29,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 12:47:29,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 690 [2020-10-28 12:47:29,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 270 [2020-10-28 12:47:29,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:29,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:47:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:29,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:29,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:29,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:47:29,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:29,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 12:47:29,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:29,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:29,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:29,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:29,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:29,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:29,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:47:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:29,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:29,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:29,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 12:47:29,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:29,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 12:47:29,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:29,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:29,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:29,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:29,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:29,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:29,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 12:47:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:29,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:29,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:29,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 12:47:29,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:29,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 12:47:29,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:29,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:29,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:29,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:29,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:29,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:29,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-28 12:47:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:29,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:29,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:29,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 12:47:29,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:29,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 12:47:29,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:29,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:29,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:29,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:29,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:29,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:29,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-28 12:47:29,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:29,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:30,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:30,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-28 12:47:30,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:30,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 12:47:30,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:30,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:30,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:30,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:30,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:30,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:30,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-28 12:47:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:30,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:30,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:30,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-28 12:47:30,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:30,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 12:47:30,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:30,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:30,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:30,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:30,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:30,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:30,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-28 12:47:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:30,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:30,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:30,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-28 12:47:30,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:30,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 12:47:30,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:30,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:30,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:47:30,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:30,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-28 12:47:30,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:30,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-28 12:47:30,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:30,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:30,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:30,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-28 12:47:30,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:30,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 259 [2020-10-28 12:47:30,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:30,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:30,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 12:47:30,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:47:30,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-28 12:47:30,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:30,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-28 12:47:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:30,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:30,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:30,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-28 12:47:30,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:30,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-28 12:47:30,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:30,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:30,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:47:30,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:47:30,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-28 12:47:30,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:31,474 INFO L134 CoverageAnalysis]: Checked inductivity of 3025 backedges. 1653 proven. 6 refuted. 0 times theorem prover too weak. 1366 trivial. 0 not checked. [2020-10-28 12:47:31,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1981286597] [2020-10-28 12:47:31,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:47:31,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 12:47:31,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605327763] [2020-10-28 12:47:31,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 12:47:31,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:47:31,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 12:47:31,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-28 12:47:31,477 INFO L87 Difference]: Start difference. First operand 5399 states and 5816 transitions. Second operand 10 states. [2020-10-28 12:47:33,604 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-10-28 12:47:35,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:47:35,580 INFO L93 Difference]: Finished difference Result 11923 states and 12975 transitions. [2020-10-28 12:47:35,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-28 12:47:35,581 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 993 [2020-10-28 12:47:35,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:47:35,602 INFO L225 Difference]: With dead ends: 11923 [2020-10-28 12:47:35,603 INFO L226 Difference]: Without dead ends: 6896 [2020-10-28 12:47:35,614 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2020-10-28 12:47:35,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6896 states. [2020-10-28 12:47:35,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6896 to 6509. [2020-10-28 12:47:35,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6509 states. [2020-10-28 12:47:35,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6509 states to 6509 states and 7105 transitions. [2020-10-28 12:47:35,750 INFO L78 Accepts]: Start accepts. Automaton has 6509 states and 7105 transitions. Word has length 993 [2020-10-28 12:47:35,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:47:35,751 INFO L481 AbstractCegarLoop]: Abstraction has 6509 states and 7105 transitions. [2020-10-28 12:47:35,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 12:47:35,752 INFO L276 IsEmpty]: Start isEmpty. Operand 6509 states and 7105 transitions. [2020-10-28 12:47:35,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1026 [2020-10-28 12:47:35,766 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:47:35,767 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:47:35,767 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-28 12:47:35,767 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:47:35,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:47:35,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1376110036, now seen corresponding path program 1 times [2020-10-28 12:47:35,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:47:35,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [773008176] [2020-10-28 12:47:35,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:47:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:36,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:37,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:38,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:38,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1051 [2020-10-28 12:47:38,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:47:38,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2943 [2020-10-28 12:47:38,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:38,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:38,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:47:38,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 871 [2020-10-28 12:47:38,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 176 [2020-10-28 12:47:38,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:39,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:47:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:39,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:39,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:39,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:47:39,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:39,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 12:47:39,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:39,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:39,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:39,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:39,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:39,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:39,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:47:39,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:39,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:39,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:39,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 12:47:39,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:39,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 12:47:39,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:39,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:39,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:39,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:39,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:39,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:39,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 12:47:39,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:39,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:39,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:39,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 12:47:39,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:39,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 12:47:39,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:39,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:39,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:39,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:39,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:39,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:39,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-28 12:47:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:39,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:39,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:39,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 12:47:39,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:39,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 12:47:39,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:39,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:39,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:39,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:39,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:39,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:39,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-28 12:47:39,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:39,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:39,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:39,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-28 12:47:39,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:39,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 12:47:39,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:39,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:39,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:39,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:39,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:39,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:39,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-28 12:47:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:39,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:39,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:39,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-28 12:47:39,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:39,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 12:47:39,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:39,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:39,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:39,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:39,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:39,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:39,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-28 12:47:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:39,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:39,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:39,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-28 12:47:39,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:39,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 12:47:39,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:39,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:39,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:39,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:39,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:39,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:39,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-28 12:47:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:39,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:39,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:39,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-28 12:47:39,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:39,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-28 12:47:39,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:39,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:39,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:47:39,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:39,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-28 12:47:39,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:39,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-28 12:47:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:39,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:39,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:39,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:39,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-28 12:47:39,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:47:39,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-28 12:47:39,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:39,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:39,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:47:39,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:39,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-28 12:47:39,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:40,424 INFO L134 CoverageAnalysis]: Checked inductivity of 3167 backedges. 446 proven. 12 refuted. 0 times theorem prover too weak. 2709 trivial. 0 not checked. [2020-10-28 12:47:40,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [773008176] [2020-10-28 12:47:40,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:47:40,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 12:47:40,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625681494] [2020-10-28 12:47:40,426 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 12:47:40,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:47:40,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 12:47:40,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:47:40,427 INFO L87 Difference]: Start difference. First operand 6509 states and 7105 transitions. Second operand 6 states. [2020-10-28 12:47:43,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:47:43,156 INFO L93 Difference]: Finished difference Result 14664 states and 16238 transitions. [2020-10-28 12:47:43,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 12:47:43,158 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1025 [2020-10-28 12:47:43,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:47:43,185 INFO L225 Difference]: With dead ends: 14664 [2020-10-28 12:47:43,186 INFO L226 Difference]: Without dead ends: 8527 [2020-10-28 12:47:43,200 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 12:47:43,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8527 states. [2020-10-28 12:47:43,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8527 to 8523. [2020-10-28 12:47:43,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8523 states. [2020-10-28 12:47:43,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8523 states to 8523 states and 9409 transitions. [2020-10-28 12:47:43,468 INFO L78 Accepts]: Start accepts. Automaton has 8523 states and 9409 transitions. Word has length 1025 [2020-10-28 12:47:43,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:47:43,470 INFO L481 AbstractCegarLoop]: Abstraction has 8523 states and 9409 transitions. [2020-10-28 12:47:43,470 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 12:47:43,470 INFO L276 IsEmpty]: Start isEmpty. Operand 8523 states and 9409 transitions. [2020-10-28 12:47:43,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1565 [2020-10-28 12:47:43,505 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:47:43,506 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 7, 7, 7, 6, 6, 6, 6, 5, 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, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:47:43,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-28 12:47:43,507 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:47:43,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:47:43,507 INFO L82 PathProgramCache]: Analyzing trace with hash 2145682816, now seen corresponding path program 1 times [2020-10-28 12:47:43,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:47:43,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [857607349] [2020-10-28 12:47:43,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:47:43,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:44,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:45,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:46,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:48,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:48,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1598 [2020-10-28 12:47:48,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:47:48,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4862 [2020-10-28 12:47:48,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:48,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:48,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:47:48,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1432 [2020-10-28 12:47:48,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 162 [2020-10-28 12:47:48,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:48,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:47:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:48,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:48,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:48,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:47:48,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:48,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 12:47:48,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:48,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:48,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:48,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:48,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:48,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:48,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:47:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:48,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:49,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:49,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 12:47:49,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:49,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 12:47:49,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:49,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:49,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:49,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:49,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:49,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:49,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 12:47:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:49,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:49,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:49,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 12:47:49,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:49,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 12:47:49,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:49,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:49,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:49,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:49,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:49,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:49,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-28 12:47:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:49,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:49,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:49,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 12:47:49,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:49,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 12:47:49,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:49,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:49,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:49,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:49,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:49,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:49,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-28 12:47:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:49,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:49,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:49,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-28 12:47:49,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:49,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 12:47:49,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:49,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:49,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:49,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:49,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:49,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:49,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-28 12:47:49,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:49,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:49,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:49,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-28 12:47:49,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:49,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 12:47:49,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:49,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:49,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:49,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:49,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:49,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:49,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-28 12:47:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:49,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:49,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:49,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-28 12:47:49,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:49,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 12:47:49,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:49,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:49,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:49,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:49,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:49,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:49,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-28 12:47:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:49,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:49,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:49,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-28 12:47:49,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:49,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 12:47:49,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:49,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:49,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:49,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:49,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:49,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:49,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-28 12:47:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:49,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:49,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:49,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-28 12:47:49,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:49,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 12:47:49,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:49,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:49,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:49,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:49,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:49,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:49,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-28 12:47:49,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:49,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:49,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:49,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-28 12:47:49,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:49,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 12:47:49,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:49,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:49,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:49,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:49,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:49,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:49,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-28 12:47:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:49,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:49,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:49,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-28 12:47:49,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:49,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 12:47:49,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:49,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:49,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:49,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:49,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:49,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:49,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-28 12:47:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:49,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:49,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:49,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-28 12:47:49,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:49,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-28 12:47:49,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:49,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:49,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:47:49,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:49,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-28 12:47:49,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:49,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-28 12:47:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:49,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:49,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:49,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-28 12:47:49,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:49,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-28 12:47:49,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:49,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:49,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:47:49,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:47:49,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-28 12:47:49,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:51,437 INFO L134 CoverageAnalysis]: Checked inductivity of 7512 backedges. 1648 proven. 60 refuted. 0 times theorem prover too weak. 5804 trivial. 0 not checked. [2020-10-28 12:47:51,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [857607349] [2020-10-28 12:47:51,437 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:47:51,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 12:47:51,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884322056] [2020-10-28 12:47:51,439 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 12:47:51,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:47:51,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 12:47:51,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:47:51,440 INFO L87 Difference]: Start difference. First operand 8523 states and 9409 transitions. Second operand 6 states. [2020-10-28 12:47:53,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:47:53,684 INFO L93 Difference]: Finished difference Result 18722 states and 20786 transitions. [2020-10-28 12:47:53,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 12:47:53,686 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1564 [2020-10-28 12:47:53,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:47:53,729 INFO L225 Difference]: With dead ends: 18722 [2020-10-28 12:47:53,730 INFO L226 Difference]: Without dead ends: 10381 [2020-10-28 12:47:53,752 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 12:47:53,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10381 states. [2020-10-28 12:47:53,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10381 to 10351. [2020-10-28 12:47:53,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10351 states. [2020-10-28 12:47:53,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10351 states to 10351 states and 11274 transitions. [2020-10-28 12:47:53,998 INFO L78 Accepts]: Start accepts. Automaton has 10351 states and 11274 transitions. Word has length 1564 [2020-10-28 12:47:54,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:47:54,001 INFO L481 AbstractCegarLoop]: Abstraction has 10351 states and 11274 transitions. [2020-10-28 12:47:54,001 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 12:47:54,001 INFO L276 IsEmpty]: Start isEmpty. Operand 10351 states and 11274 transitions. [2020-10-28 12:47:54,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1607 [2020-10-28 12:47:54,041 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:47:54,044 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 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, 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] [2020-10-28 12:47:54,045 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-28 12:47:54,045 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:47:54,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:47:54,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1743915660, now seen corresponding path program 1 times [2020-10-28 12:47:54,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:47:54,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1743289800] [2020-10-28 12:47:54,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:47:54,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:54,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:55,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:57,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:58,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:59,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:59,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1640 [2020-10-28 12:47:59,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 12:47:59,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5104 [2020-10-28 12:47:59,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:59,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:59,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:47:59,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1133 [2020-10-28 12:47:59,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 317 [2020-10-28 12:47:59,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:59,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:47:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:59,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:59,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:59,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:47:59,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:59,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 12:47:59,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:59,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:59,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:59,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:59,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:59,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:59,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:47:59,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:59,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:47:59,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:47:59,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 12:47:59,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:47:59,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 12:47:59,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:47:59,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:47:59,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:47:59,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:47:59,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:47:59,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:47:59,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 12:47:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:47:59,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:00,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:00,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 12:48:00,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:00,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-28 12:48:00,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:00,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:00,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:00,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:00,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:00,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:00,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-28 12:48:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:00,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:00,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:00,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 12:48:00,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:00,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 12:48:00,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:00,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:00,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:00,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:00,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:00,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:00,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-28 12:48:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:00,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:00,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:00,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-28 12:48:00,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:00,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 12:48:00,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:00,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:00,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:00,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:00,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:00,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:00,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-28 12:48:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:00,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:00,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:00,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-28 12:48:00,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:00,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 12:48:00,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:00,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:00,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:00,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:00,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:00,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:00,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-28 12:48:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:00,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:00,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:00,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-28 12:48:00,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:00,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 12:48:00,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:00,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:00,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:00,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:00,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:00,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:00,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-28 12:48:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:00,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:00,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:00,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-28 12:48:00,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:00,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 12:48:00,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:00,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:00,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:00,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:00,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:00,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:00,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-28 12:48:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:00,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:00,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:00,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-28 12:48:00,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:00,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 12:48:00,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:00,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:00,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:00,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:00,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:00,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:00,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-28 12:48:00,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:00,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:00,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:00,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-28 12:48:00,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:00,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-28 12:48:00,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:00,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:00,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:48:00,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:00,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-28 12:48:00,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:00,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-28 12:48:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:00,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:00,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:00,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-28 12:48:00,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:00,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 202 [2020-10-28 12:48:00,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:00,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:00,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:48:00,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:48:00,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-10-28 12:48:00,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:01,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-28 12:48:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:01,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:01,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:01,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-28 12:48:01,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:01,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-28 12:48:01,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:01,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:01,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:48:01,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:48:01,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-28 12:48:01,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:01,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1427 [2020-10-28 12:48:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:01,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:01,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:01,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-28 12:48:01,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:01,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-28 12:48:01,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:01,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:01,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:01,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-28 12:48:01,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:01,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:03,416 INFO L134 CoverageAnalysis]: Checked inductivity of 7752 backedges. 2750 proven. 256 refuted. 0 times theorem prover too weak. 4746 trivial. 0 not checked. [2020-10-28 12:48:03,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1743289800] [2020-10-28 12:48:03,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:48:03,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:48:03,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837982919] [2020-10-28 12:48:03,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:48:03,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:48:03,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:48:03,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:48:03,419 INFO L87 Difference]: Start difference. First operand 10351 states and 11274 transitions. Second operand 7 states. [2020-10-28 12:48:06,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:48:06,834 INFO L93 Difference]: Finished difference Result 21256 states and 23179 transitions. [2020-10-28 12:48:06,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 12:48:06,838 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1606 [2020-10-28 12:48:06,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:48:06,873 INFO L225 Difference]: With dead ends: 21256 [2020-10-28 12:48:06,874 INFO L226 Difference]: Without dead ends: 11093 [2020-10-28 12:48:06,894 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:48:06,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11093 states. [2020-10-28 12:48:07,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11093 to 10537. [2020-10-28 12:48:07,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10537 states. [2020-10-28 12:48:07,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10537 states to 10537 states and 11368 transitions. [2020-10-28 12:48:07,118 INFO L78 Accepts]: Start accepts. Automaton has 10537 states and 11368 transitions. Word has length 1606 [2020-10-28 12:48:07,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:48:07,120 INFO L481 AbstractCegarLoop]: Abstraction has 10537 states and 11368 transitions. [2020-10-28 12:48:07,120 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:48:07,120 INFO L276 IsEmpty]: Start isEmpty. Operand 10537 states and 11368 transitions. [2020-10-28 12:48:07,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1637 [2020-10-28 12:48:07,162 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:48:07,164 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 7, 6, 6, 6, 6, 6, 6, 5, 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, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:48:07,164 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-28 12:48:07,164 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:48:07,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:48:07,165 INFO L82 PathProgramCache]: Analyzing trace with hash -1941382908, now seen corresponding path program 1 times [2020-10-28 12:48:07,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:48:07,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1856550675] [2020-10-28 12:48:07,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:48:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:07,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:08,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:08,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:10,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:11,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:12,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:12,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:12,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1672 [2020-10-28 12:48:12,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 12:48:12,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5370 [2020-10-28 12:48:12,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:12,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:12,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:48:12,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1506 [2020-10-28 12:48:12,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 162 [2020-10-28 12:48:12,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:13,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:48:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:13,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:13,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:13,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:48:13,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:13,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 12:48:13,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:13,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:13,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:13,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:13,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:13,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:13,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:48:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:13,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:13,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:13,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 12:48:13,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:13,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 12:48:13,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:13,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:13,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:13,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:13,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:13,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:13,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 12:48:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:13,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:13,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:13,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 12:48:13,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:13,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 12:48:13,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:13,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:13,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:13,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:13,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:13,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:13,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-28 12:48:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:13,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:13,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:13,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 12:48:13,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:13,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 12:48:13,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:13,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:13,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:13,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:13,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:13,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:13,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-28 12:48:13,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:13,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:13,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:13,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-28 12:48:13,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:13,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 12:48:13,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:13,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:13,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:13,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:13,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:13,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:13,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-28 12:48:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:13,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:13,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:13,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-28 12:48:13,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:13,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 12:48:13,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:13,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:13,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:13,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:13,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:13,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:13,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-28 12:48:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:13,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:13,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:13,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-28 12:48:13,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:13,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 12:48:13,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:13,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:13,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:13,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:13,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:13,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:13,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-28 12:48:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:13,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:13,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:13,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-28 12:48:13,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:13,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 12:48:13,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:13,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:13,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:13,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:13,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:13,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:13,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-28 12:48:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:13,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:13,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:13,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-28 12:48:13,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:13,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-28 12:48:13,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:13,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:13,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:13,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:13,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:13,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:13,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-28 12:48:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:13,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:13,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:13,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-28 12:48:13,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:13,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 12:48:13,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:13,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:13,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:13,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:13,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:13,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:13,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-28 12:48:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:13,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:13,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:13,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-28 12:48:13,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:13,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-28 12:48:13,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:13,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:13,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:13,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:13,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:13,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:13,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-28 12:48:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:13,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:13,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:13,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-28 12:48:13,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:13,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 12:48:13,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:13,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:13,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:13,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:13,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:13,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:13,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1408 [2020-10-28 12:48:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:13,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:13,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:13,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-28 12:48:13,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:13,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 12:48:13,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:13,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:13,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:48:13,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:13,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-28 12:48:13,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:13,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1482 [2020-10-28 12:48:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:13,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:14,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:14,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-28 12:48:14,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:14,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-28 12:48:14,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:14,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:14,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:48:14,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:48:14,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-28 12:48:14,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:15,683 INFO L134 CoverageAnalysis]: Checked inductivity of 8438 backedges. 1773 proven. 61 refuted. 0 times theorem prover too weak. 6604 trivial. 0 not checked. [2020-10-28 12:48:15,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1856550675] [2020-10-28 12:48:15,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:48:15,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 12:48:15,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735068123] [2020-10-28 12:48:15,684 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 12:48:15,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:48:15,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 12:48:15,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:48:15,685 INFO L87 Difference]: Start difference. First operand 10537 states and 11368 transitions. Second operand 6 states. [2020-10-28 12:48:17,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:48:17,608 INFO L93 Difference]: Finished difference Result 21282 states and 22997 transitions. [2020-10-28 12:48:17,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 12:48:17,609 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1636 [2020-10-28 12:48:17,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:48:17,637 INFO L225 Difference]: With dead ends: 21282 [2020-10-28 12:48:17,637 INFO L226 Difference]: Without dead ends: 10933 [2020-10-28 12:48:17,653 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 12:48:17,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10933 states. [2020-10-28 12:48:17,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10933 to 10723. [2020-10-28 12:48:17,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10723 states. [2020-10-28 12:48:17,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10723 states to 10723 states and 11553 transitions. [2020-10-28 12:48:17,870 INFO L78 Accepts]: Start accepts. Automaton has 10723 states and 11553 transitions. Word has length 1636 [2020-10-28 12:48:17,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:48:17,871 INFO L481 AbstractCegarLoop]: Abstraction has 10723 states and 11553 transitions. [2020-10-28 12:48:17,871 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 12:48:17,872 INFO L276 IsEmpty]: Start isEmpty. Operand 10723 states and 11553 transitions. [2020-10-28 12:48:17,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1668 [2020-10-28 12:48:17,910 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:48:17,911 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 9, 8, 7, 6, 6, 6, 6, 6, 6, 5, 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, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:48:17,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-28 12:48:17,911 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:48:17,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:48:17,912 INFO L82 PathProgramCache]: Analyzing trace with hash -55987512, now seen corresponding path program 1 times [2020-10-28 12:48:17,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:48:17,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2115997304] [2020-10-28 12:48:17,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:48:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:18,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:18,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:20,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:22,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:23,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:23,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:23,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1703 [2020-10-28 12:48:23,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 12:48:23,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5162 [2020-10-28 12:48:23,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:23,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:23,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:48:23,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1430 [2020-10-28 12:48:23,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-28 12:48:23,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:23,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:48:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:23,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:23,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:23,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:48:23,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:23,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 12:48:23,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:23,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:23,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:23,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:23,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:23,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:23,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:48:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:23,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:23,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:23,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 12:48:23,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:23,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 12:48:23,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:23,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:23,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:23,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:23,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:23,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:23,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 12:48:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:23,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:23,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:23,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 12:48:23,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:23,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 12:48:23,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:23,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:23,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:23,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:23,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:23,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:23,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-28 12:48:23,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:23,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:23,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:23,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 12:48:23,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:23,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 12:48:23,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:23,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:23,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:23,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:23,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:23,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:24,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-28 12:48:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:24,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:24,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:24,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-28 12:48:24,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:24,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 12:48:24,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:24,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:24,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:24,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:24,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:24,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:24,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-28 12:48:24,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:24,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:24,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:24,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-28 12:48:24,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:24,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-28 12:48:24,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:24,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:24,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:24,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:24,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:24,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:48:24,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-28 12:48:24,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:24,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:24,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:24,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-28 12:48:24,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:24,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 12:48:24,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:24,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:24,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:24,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:24,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:24,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:24,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-28 12:48:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:24,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:24,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:24,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-28 12:48:24,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:24,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 12:48:24,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:24,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:24,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:24,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:24,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:24,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:24,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-28 12:48:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:24,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:24,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:24,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-28 12:48:24,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:24,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 12:48:24,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:24,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:24,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:24,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:24,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:24,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:24,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-28 12:48:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:24,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:24,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:24,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-28 12:48:24,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:24,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 12:48:24,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:24,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:24,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:24,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:24,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:24,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:24,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-28 12:48:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:24,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:24,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:24,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-28 12:48:24,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:24,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 12:48:24,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:24,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:24,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:24,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:24,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:24,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:24,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-28 12:48:24,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:24,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:24,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:24,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-28 12:48:24,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:24,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-28 12:48:24,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:24,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:24,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:48:24,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:24,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-28 12:48:24,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:24,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1408 [2020-10-28 12:48:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:24,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:24,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:24,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-28 12:48:24,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:24,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-28 12:48:24,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:24,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:24,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:48:24,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:48:24,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-28 12:48:24,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:24,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1513 [2020-10-28 12:48:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:24,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:24,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:24,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-28 12:48:24,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:24,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 12:48:24,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:24,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:24,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:24,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 102 [2020-10-28 12:48:24,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:24,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:26,934 INFO L134 CoverageAnalysis]: Checked inductivity of 8756 backedges. 1813 proven. 103 refuted. 0 times theorem prover too weak. 6840 trivial. 0 not checked. [2020-10-28 12:48:26,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2115997304] [2020-10-28 12:48:26,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:48:26,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:48:26,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709623462] [2020-10-28 12:48:26,937 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:48:26,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:48:26,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:48:26,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:48:26,938 INFO L87 Difference]: Start difference. First operand 10723 states and 11553 transitions. Second operand 7 states. [2020-10-28 12:48:29,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:48:29,210 INFO L93 Difference]: Finished difference Result 21282 states and 23031 transitions. [2020-10-28 12:48:29,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 12:48:29,211 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1667 [2020-10-28 12:48:29,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:48:29,228 INFO L225 Difference]: With dead ends: 21282 [2020-10-28 12:48:29,228 INFO L226 Difference]: Without dead ends: 7615 [2020-10-28 12:48:29,240 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-28 12:48:29,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7615 states. [2020-10-28 12:48:29,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7615 to 7391. [2020-10-28 12:48:29,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7391 states. [2020-10-28 12:48:29,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7391 states to 7391 states and 7708 transitions. [2020-10-28 12:48:29,403 INFO L78 Accepts]: Start accepts. Automaton has 7391 states and 7708 transitions. Word has length 1667 [2020-10-28 12:48:29,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:48:29,404 INFO L481 AbstractCegarLoop]: Abstraction has 7391 states and 7708 transitions. [2020-10-28 12:48:29,405 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:48:29,405 INFO L276 IsEmpty]: Start isEmpty. Operand 7391 states and 7708 transitions. [2020-10-28 12:48:29,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1951 [2020-10-28 12:48:29,452 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:48:29,453 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 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] [2020-10-28 12:48:29,454 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-28 12:48:29,454 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:48:29,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:48:29,455 INFO L82 PathProgramCache]: Analyzing trace with hash 74584148, now seen corresponding path program 1 times [2020-10-28 12:48:29,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:48:29,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [988492932] [2020-10-28 12:48:29,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:48:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:30,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:30,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:32,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:34,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:34,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1988 [2020-10-28 12:48:34,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:48:34,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5095 [2020-10-28 12:48:34,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:34,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:34,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:48:34,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1497 [2020-10-28 12:48:34,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-28 12:48:34,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:35,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:48:35,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:35,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:35,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:35,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:48:35,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:35,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 12:48:35,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:35,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:35,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:35,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:35,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:35,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:35,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:48:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:35,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:35,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:35,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 12:48:35,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:35,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 12:48:35,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:35,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:35,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:35,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:35,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:35,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:35,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 12:48:35,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:35,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:35,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:35,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 12:48:35,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:35,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 12:48:35,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:35,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:35,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:35,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:35,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:35,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:35,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-28 12:48:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:35,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:35,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:35,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 12:48:35,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:35,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 12:48:35,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:35,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:35,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:35,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:35,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:35,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:35,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-28 12:48:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:35,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:35,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:35,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-28 12:48:35,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:35,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 12:48:35,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:35,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:35,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:35,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:35,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:35,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:35,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-28 12:48:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:35,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:35,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:35,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-28 12:48:35,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:35,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-28 12:48:35,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:35,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:35,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:35,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:35,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:35,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:35,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-28 12:48:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:35,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:35,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:35,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-28 12:48:35,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:35,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 12:48:35,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:35,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:35,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:35,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:35,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:35,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:35,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-28 12:48:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:35,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:35,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:35,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-28 12:48:35,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:35,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 12:48:35,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:35,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:35,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:35,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:35,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:35,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:35,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-28 12:48:35,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:35,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:35,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:35,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-28 12:48:35,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:35,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 12:48:35,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:35,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:35,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:35,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:35,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:35,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:35,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-28 12:48:35,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:35,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:35,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:35,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-28 12:48:35,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:35,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 12:48:35,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:35,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:35,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:35,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:35,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:35,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:35,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-28 12:48:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:35,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:35,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:35,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-28 12:48:35,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:35,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 12:48:35,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:35,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:35,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:35,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:35,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:35,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:35,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-28 12:48:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:36,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:36,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:36,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-28 12:48:36,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:36,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-28 12:48:36,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:36,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:36,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:48:36,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:48:36,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-28 12:48:36,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:36,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1475 [2020-10-28 12:48:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:36,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:36,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:36,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-28 12:48:36,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:36,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-28 12:48:36,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:36,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:36,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:48:36,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:48:36,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-28 12:48:36,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:36,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1617 [2020-10-28 12:48:36,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:36,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:36,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:36,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-28 12:48:36,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:36,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-28 12:48:36,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:36,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:36,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:36,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-28 12:48:36,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:36,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:48:36,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1796 [2020-10-28 12:48:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:48:36,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:48:36,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:48:36,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-28 12:48:36,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:48:36,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 12:48:36,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:48:36,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:48:36,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:48:36,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 102 [2020-10-28 12:48:36,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:48:36,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:48:38,788 INFO L134 CoverageAnalysis]: Checked inductivity of 10975 backedges. 2124 proven. 242 refuted. 0 times theorem prover too weak. 8609 trivial. 0 not checked. [2020-10-28 12:48:38,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [988492932] [2020-10-28 12:48:38,788 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:48:38,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:48:38,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894340346] [2020-10-28 12:48:38,790 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:48:38,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:48:38,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:48:38,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:48:38,790 INFO L87 Difference]: Start difference. First operand 7391 states and 7708 transitions. Second operand 7 states. [2020-10-28 12:48:41,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:48:41,030 INFO L93 Difference]: Finished difference Result 12579 states and 13111 transitions. [2020-10-28 12:48:41,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 12:48:41,030 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1950 [2020-10-28 12:48:41,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:48:41,032 INFO L225 Difference]: With dead ends: 12579 [2020-10-28 12:48:41,032 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 12:48:41,043 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:48:41,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 12:48:41,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 12:48:41,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 12:48:41,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 12:48:41,044 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1950 [2020-10-28 12:48:41,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:48:41,045 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 12:48:41,045 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:48:41,045 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 12:48:41,045 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 12:48:41,045 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-28 12:48:41,048 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 12:48:41,925 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 211 [2020-10-28 12:48:43,273 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 211 [2020-10-28 12:48:46,033 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 200 DAG size of output: 101 [2020-10-28 12:48:46,167 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 28 [2020-10-28 12:48:53,071 WARN L193 SmtUtils]: Spent 6.88 s on a formula simplification. DAG size of input: 320 DAG size of output: 138 [2020-10-28 12:48:55,832 WARN L193 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 200 DAG size of output: 101 [2020-10-28 12:48:57,899 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 170 DAG size of output: 109 [2020-10-28 12:48:57,905 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 12:48:57,905 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 12:48:57,906 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 12:48:57,906 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 12:48:57,906 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 12:48:57,906 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~inputA~0 |old(~inputA~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a15~0 |old(~a15~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string7.base| |old(#t~string7.base)|)) [2020-10-28 12:48:57,906 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 12:48:57,906 INFO L274 CegarLoopResult]: For program point L696(lines 696 872) no Hoare annotation was computed. [2020-10-28 12:48:57,907 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-28 12:48:57,907 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-28 12:48:57,907 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-28 12:48:57,907 INFO L274 CegarLoopResult]: For program point L301(lines 301 872) no Hoare annotation was computed. [2020-10-28 12:48:57,907 INFO L274 CegarLoopResult]: For program point L434(lines 434 872) no Hoare annotation was computed. [2020-10-28 12:48:57,907 INFO L274 CegarLoopResult]: For program point L368(lines 368 872) no Hoare annotation was computed. [2020-10-28 12:48:57,908 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,908 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,908 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,908 INFO L274 CegarLoopResult]: For program point L237(lines 237 872) no Hoare annotation was computed. [2020-10-28 12:48:57,908 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-28 12:48:57,908 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-28 12:48:57,908 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-28 12:48:57,908 INFO L274 CegarLoopResult]: For program point L766(lines 766 872) no Hoare annotation was computed. [2020-10-28 12:48:57,908 INFO L274 CegarLoopResult]: For program point L634(lines 634 872) no Hoare annotation was computed. [2020-10-28 12:48:57,908 INFO L274 CegarLoopResult]: For program point L502(lines 502 872) no Hoare annotation was computed. [2020-10-28 12:48:57,908 INFO L274 CegarLoopResult]: For program point L833(lines 833 872) no Hoare annotation was computed. [2020-10-28 12:48:57,908 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,909 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,909 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,909 INFO L274 CegarLoopResult]: For program point L702(lines 702 872) no Hoare annotation was computed. [2020-10-28 12:48:57,910 INFO L274 CegarLoopResult]: For program point L570(lines 570 872) no Hoare annotation was computed. [2020-10-28 12:48:57,910 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-28 12:48:57,910 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-28 12:48:57,910 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-28 12:48:57,911 INFO L274 CegarLoopResult]: For program point L307(lines 307 872) no Hoare annotation was computed. [2020-10-28 12:48:57,911 INFO L274 CegarLoopResult]: For program point L440(lines 440 872) no Hoare annotation was computed. [2020-10-28 12:48:57,911 INFO L274 CegarLoopResult]: For program point L374(lines 374 872) no Hoare annotation was computed. [2020-10-28 12:48:57,911 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,911 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,911 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,913 INFO L274 CegarLoopResult]: For program point L243(lines 243 872) no Hoare annotation was computed. [2020-10-28 12:48:57,913 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-28 12:48:57,913 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-28 12:48:57,913 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-28 12:48:57,913 INFO L274 CegarLoopResult]: For program point L640(lines 640 872) no Hoare annotation was computed. [2020-10-28 12:48:57,913 INFO L274 CegarLoopResult]: For program point L508(lines 508 872) no Hoare annotation was computed. [2020-10-28 12:48:57,914 INFO L274 CegarLoopResult]: For program point L839(lines 839 872) no Hoare annotation was computed. [2020-10-28 12:48:57,914 INFO L274 CegarLoopResult]: For program point L773(lines 773 872) no Hoare annotation was computed. [2020-10-28 12:48:57,914 INFO L274 CegarLoopResult]: For program point L575(lines 575 872) no Hoare annotation was computed. [2020-10-28 12:48:57,914 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,914 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,914 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,914 INFO L274 CegarLoopResult]: For program point L708(lines 708 872) no Hoare annotation was computed. [2020-10-28 12:48:57,914 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-28 12:48:57,914 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-28 12:48:57,914 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-28 12:48:57,914 INFO L274 CegarLoopResult]: For program point L313(lines 313 872) no Hoare annotation was computed. [2020-10-28 12:48:57,914 INFO L274 CegarLoopResult]: For program point L446(lines 446 872) no Hoare annotation was computed. [2020-10-28 12:48:57,915 INFO L274 CegarLoopResult]: For program point L380(lines 380 872) no Hoare annotation was computed. [2020-10-28 12:48:57,915 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,916 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,916 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,916 INFO L274 CegarLoopResult]: For program point L249(lines 249 872) no Hoare annotation was computed. [2020-10-28 12:48:57,916 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-28 12:48:57,916 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-28 12:48:57,916 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-28 12:48:57,916 INFO L274 CegarLoopResult]: For program point L844(lines 844 872) no Hoare annotation was computed. [2020-10-28 12:48:57,916 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,916 INFO L274 CegarLoopResult]: For program point L646(lines 646 872) no Hoare annotation was computed. [2020-10-28 12:48:57,917 INFO L274 CegarLoopResult]: For program point L514(lines 514 872) no Hoare annotation was computed. [2020-10-28 12:48:57,917 INFO L274 CegarLoopResult]: For program point L779(lines 779 872) no Hoare annotation was computed. [2020-10-28 12:48:57,917 INFO L274 CegarLoopResult]: For program point L581(lines 581 872) no Hoare annotation was computed. [2020-10-28 12:48:57,917 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,917 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,917 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,917 INFO L274 CegarLoopResult]: For program point L714(lines 714 872) no Hoare annotation was computed. [2020-10-28 12:48:57,917 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-28 12:48:57,917 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-28 12:48:57,917 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-28 12:48:57,918 INFO L274 CegarLoopResult]: For program point L451(lines 451 872) no Hoare annotation was computed. [2020-10-28 12:48:57,918 INFO L274 CegarLoopResult]: For program point L319(lines 319 872) no Hoare annotation was computed. [2020-10-28 12:48:57,918 INFO L274 CegarLoopResult]: For program point L386(lines 386 872) no Hoare annotation was computed. [2020-10-28 12:48:57,918 INFO L274 CegarLoopResult]: For program point L254(lines 254 872) no Hoare annotation was computed. [2020-10-28 12:48:57,918 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,918 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,918 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,918 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-28 12:48:57,918 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-28 12:48:57,918 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-28 12:48:57,919 INFO L274 CegarLoopResult]: For program point L850(lines 850 872) no Hoare annotation was computed. [2020-10-28 12:48:57,919 INFO L274 CegarLoopResult]: For program point L652(lines 652 872) no Hoare annotation was computed. [2020-10-28 12:48:57,919 INFO L274 CegarLoopResult]: For program point L520(lines 520 872) no Hoare annotation was computed. [2020-10-28 12:48:57,919 INFO L274 CegarLoopResult]: For program point L785(lines 785 872) no Hoare annotation was computed. [2020-10-28 12:48:57,919 INFO L274 CegarLoopResult]: For program point L587(lines 587 872) no Hoare annotation was computed. [2020-10-28 12:48:57,919 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,919 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,919 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,919 INFO L274 CegarLoopResult]: For program point L720(lines 720 872) no Hoare annotation was computed. [2020-10-28 12:48:57,920 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 874) the Hoare annotation is: (let ((.cse13 (= ~a21~0 8)) (.cse28 (= ~a21~0 6)) (.cse30 (= ~a15~0 |old(~a15~0)|)) (.cse29 (= 7 ~a21~0)) (.cse12 (= ~a24~0 |old(~a24~0)|)) (.cse37 (= ~a21~0 |old(~a21~0)|)) (.cse27 (= ~a15~0 8)) (.cse14 (= ~a12~0 |old(~a12~0)|))) (let ((.cse5 (not (<= |old(~a12~0)| 76))) (.cse3 (and .cse12 .cse37 .cse27 .cse14)) (.cse1 (not (<= 10 |old(~a21~0)|))) (.cse35 (not (<= |old(~a15~0)| 8))) (.cse21 (not (<= (+ |old(~a12~0)| 49) 0))) (.cse11 (= 7 ~a15~0)) (.cse24 (= 5 |old(~a15~0)|)) (.cse19 (not (= 7 |old(~a21~0)|))) (.cse20 (and .cse12 .cse27 .cse14 .cse29)) (.cse2 (not (= 8 |old(~a15~0)|))) (.cse22 (and .cse12 .cse28 .cse14 .cse30)) (.cse26 (not (= 6 |old(~a21~0)|))) (.cse31 (not (<= |old(~a12~0)| 10))) (.cse23 (not (<= |old(~a15~0)| 6))) (.cse16 (not (<= |old(~a21~0)| 9))) (.cse9 (not (<= (+ |old(~a12~0)| 43) 0))) (.cse8 (and .cse12 .cse37 .cse14 .cse30)) (.cse4 (not (<= 9 |old(~a21~0)|))) (.cse15 (not (= 7 |old(~a15~0)|))) (.cse32 (not (<= 0 (+ |old(~a12~0)| 41)))) (.cse33 (not (<= |old(~a12~0)| 2))) (.cse0 (not (<= 19 |old(~a12~0)|))) (.cse36 (and .cse12 .cse13 .cse14 .cse30)) (.cse6 (not (<= 9 |old(~a15~0)|))) (.cse10 (not (= 8 |old(~a21~0)|))) (.cse7 (not (<= |old(~a24~0)| 1))) (.cse34 (not (<= |old(~a12~0)| 73282))) (.cse17 (and (<= ~a15~0 5) (<= ~a24~0 1) .cse12 .cse37 .cse14 .cse30)) (.cse25 (not (<= 13 |old(~a12~0)|))) (.cse18 (not (<= |old(~a15~0)| 5)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse3 .cse5) (or .cse6 .cse7 .cse1 .cse8 .cse9) (or .cse10 (and .cse11 .cse12 .cse13 .cse14) .cse15) (or .cse7 .cse16 .cse17 .cse18) (or .cse0 .cse6 .cse8 .cse4) (or .cse19 .cse7 .cse20 .cse2 .cse21) (or .cse22 .cse23 .cse24 .cse25 .cse26 .cse5) (or .cse7 .cse1 .cse2 .cse3 .cse21) (or .cse0 .cse2 (and .cse12 .cse27 .cse28 .cse14) .cse26) (or .cse0 .cse19 .cse6 (and .cse12 .cse14 .cse29 .cse30)) (or .cse0 .cse6 .cse22 .cse26) (or .cse31 .cse2 .cse4 .cse32 .cse3) (or .cse6 .cse1 .cse8 .cse32 .cse33) (or .cse0 .cse23 .cse16 .cse24 .cse8 .cse4) (or .cse0 .cse22 .cse26 .cse15) (or .cse0 .cse22 .cse24 .cse34 .cse26) (or .cse22 .cse23 .cse35 .cse21 .cse26) (or .cse7 .cse22 .cse35 .cse21 .cse26) (or .cse19 (and .cse11 .cse12 .cse14 .cse29) .cse15) (or .cse0 .cse36 .cse10 .cse24 .cse34) (or .cse23 .cse8 .cse24 .cse31 .cse4 .cse32) (or .cse19 .cse20 .cse2 .cse32 .cse33) (or .cse22 .cse31 .cse32 .cse26 .cse15) (or .cse7 .cse31 .cse17 .cse32 .cse18) (or .cse36 .cse6 .cse10 (not (<= (+ |old(~a12~0)| 526767) 0))) (or .cse7 .cse23 .cse16 .cse8 .cse4 .cse9) (or .cse8 .cse4 .cse15) (or .cse36 .cse6 .cse10 .cse32 .cse33) (or .cse0 .cse36 .cse6 .cse10) (or .cse7 .cse34 .cse17 .cse25 .cse18)))) [2020-10-28 12:48:57,920 INFO L274 CegarLoopResult]: For program point L456(lines 456 872) no Hoare annotation was computed. [2020-10-28 12:48:57,920 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-28 12:48:57,920 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-28 12:48:57,920 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-28 12:48:57,920 INFO L274 CegarLoopResult]: For program point L325(lines 325 872) no Hoare annotation was computed. [2020-10-28 12:48:57,921 INFO L274 CegarLoopResult]: For program point L392(lines 392 872) no Hoare annotation was computed. [2020-10-28 12:48:57,921 INFO L274 CegarLoopResult]: For program point L260(lines 260 872) no Hoare annotation was computed. [2020-10-28 12:48:57,921 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,921 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,921 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,921 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-28 12:48:57,922 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-28 12:48:57,922 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-28 12:48:57,922 INFO L274 CegarLoopResult]: For program point L856(lines 856 872) no Hoare annotation was computed. [2020-10-28 12:48:57,922 INFO L274 CegarLoopResult]: For program point L658(lines 658 872) no Hoare annotation was computed. [2020-10-28 12:48:57,922 INFO L274 CegarLoopResult]: For program point L526(lines 526 872) no Hoare annotation was computed. [2020-10-28 12:48:57,922 INFO L274 CegarLoopResult]: For program point L791(lines 791 872) no Hoare annotation was computed. [2020-10-28 12:48:57,922 INFO L274 CegarLoopResult]: For program point L593(lines 593 872) no Hoare annotation was computed. [2020-10-28 12:48:57,922 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,922 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,922 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,922 INFO L274 CegarLoopResult]: For program point L726(lines 726 872) no Hoare annotation was computed. [2020-10-28 12:48:57,922 INFO L274 CegarLoopResult]: For program point L462(lines 462 872) no Hoare annotation was computed. [2020-10-28 12:48:57,922 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-28 12:48:57,922 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-28 12:48:57,922 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-28 12:48:57,922 INFO L274 CegarLoopResult]: For program point L331(lines 331 872) no Hoare annotation was computed. [2020-10-28 12:48:57,922 INFO L274 CegarLoopResult]: For program point L398(lines 398 872) no Hoare annotation was computed. [2020-10-28 12:48:57,922 INFO L274 CegarLoopResult]: For program point L266(lines 266 872) no Hoare annotation was computed. [2020-10-28 12:48:57,923 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,923 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,923 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,923 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-10-28 12:48:57,923 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-28 12:48:57,923 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-28 12:48:57,923 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-28 12:48:57,923 INFO L274 CegarLoopResult]: For program point L664(lines 664 872) no Hoare annotation was computed. [2020-10-28 12:48:57,923 INFO L274 CegarLoopResult]: For program point L532(lines 532 872) no Hoare annotation was computed. [2020-10-28 12:48:57,923 INFO L274 CegarLoopResult]: For program point L797(lines 797 872) no Hoare annotation was computed. [2020-10-28 12:48:57,923 INFO L274 CegarLoopResult]: For program point L599(lines 599 872) no Hoare annotation was computed. [2020-10-28 12:48:57,923 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,923 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,923 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,923 INFO L274 CegarLoopResult]: For program point L732(lines 732 872) no Hoare annotation was computed. [2020-10-28 12:48:57,923 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-28 12:48:57,923 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-28 12:48:57,924 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-28 12:48:57,924 INFO L274 CegarLoopResult]: For program point L469(lines 469 872) no Hoare annotation was computed. [2020-10-28 12:48:57,924 INFO L274 CegarLoopResult]: For program point L337(lines 337 872) no Hoare annotation was computed. [2020-10-28 12:48:57,924 INFO L274 CegarLoopResult]: For program point L271(lines 271 872) no Hoare annotation was computed. [2020-10-28 12:48:57,924 INFO L274 CegarLoopResult]: For program point L404(lines 404 872) no Hoare annotation was computed. [2020-10-28 12:48:57,924 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,924 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,924 INFO L274 CegarLoopResult]: For program point L867(lines 867 872) no Hoare annotation was computed. [2020-10-28 12:48:57,924 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-28 12:48:57,924 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-28 12:48:57,924 INFO L274 CegarLoopResult]: For program point L670(lines 670 872) no Hoare annotation was computed. [2020-10-28 12:48:57,924 INFO L274 CegarLoopResult]: For program point L538(lines 538 872) no Hoare annotation was computed. [2020-10-28 12:48:57,924 INFO L274 CegarLoopResult]: For program point L803(lines 803 872) no Hoare annotation was computed. [2020-10-28 12:48:57,924 INFO L274 CegarLoopResult]: For program point L737(lines 737 872) no Hoare annotation was computed. [2020-10-28 12:48:57,924 INFO L274 CegarLoopResult]: For program point L605(lines 605 872) no Hoare annotation was computed. [2020-10-28 12:48:57,924 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,924 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,924 INFO L274 CegarLoopResult]: For program point L474(lines 474 872) no Hoare annotation was computed. [2020-10-28 12:48:57,925 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-28 12:48:57,925 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-28 12:48:57,925 INFO L274 CegarLoopResult]: For program point L343(lines 343 872) no Hoare annotation was computed. [2020-10-28 12:48:57,925 INFO L274 CegarLoopResult]: For program point L277(lines 277 872) no Hoare annotation was computed. [2020-10-28 12:48:57,925 INFO L274 CegarLoopResult]: For program point L410(lines 410 872) no Hoare annotation was computed. [2020-10-28 12:48:57,925 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,925 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,925 INFO L274 CegarLoopResult]: For program point L543(lines 543 872) no Hoare annotation was computed. [2020-10-28 12:48:57,925 INFO L274 CegarLoopResult]: For program point L213(lines 213 872) no Hoare annotation was computed. [2020-10-28 12:48:57,925 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-28 12:48:57,925 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-28 12:48:57,925 INFO L274 CegarLoopResult]: For program point L676(lines 676 872) no Hoare annotation was computed. [2020-10-28 12:48:57,925 INFO L274 CegarLoopResult]: For program point L809(lines 809 872) no Hoare annotation was computed. [2020-10-28 12:48:57,925 INFO L274 CegarLoopResult]: For program point L743(lines 743 872) no Hoare annotation was computed. [2020-10-28 12:48:57,925 INFO L274 CegarLoopResult]: For program point L611(lines 611 872) no Hoare annotation was computed. [2020-10-28 12:48:57,925 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,925 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,925 INFO L274 CegarLoopResult]: For program point L480(lines 480 872) no Hoare annotation was computed. [2020-10-28 12:48:57,926 INFO L274 CegarLoopResult]: For program point L282(lines 282 872) no Hoare annotation was computed. [2020-10-28 12:48:57,926 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-28 12:48:57,926 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-28 12:48:57,926 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,926 INFO L274 CegarLoopResult]: For program point L679(lines 679 872) no Hoare annotation was computed. [2020-10-28 12:48:57,926 INFO L274 CegarLoopResult]: For program point L349(lines 349 872) no Hoare annotation was computed. [2020-10-28 12:48:57,926 INFO L274 CegarLoopResult]: For program point L416(lines 416 872) no Hoare annotation was computed. [2020-10-28 12:48:57,926 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,926 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,926 INFO L274 CegarLoopResult]: For program point L549(lines 549 872) no Hoare annotation was computed. [2020-10-28 12:48:57,926 INFO L274 CegarLoopResult]: For program point L219(lines 219 872) no Hoare annotation was computed. [2020-10-28 12:48:57,926 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-28 12:48:57,926 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-28 12:48:57,926 INFO L274 CegarLoopResult]: For program point L749(lines 749 872) no Hoare annotation was computed. [2020-10-28 12:48:57,926 INFO L274 CegarLoopResult]: For program point L617(lines 617 872) no Hoare annotation was computed. [2020-10-28 12:48:57,926 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,926 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,926 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-28 12:48:57,927 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,927 INFO L274 CegarLoopResult]: For program point L816(lines 816 872) no Hoare annotation was computed. [2020-10-28 12:48:57,927 INFO L274 CegarLoopResult]: For program point L486(lines 486 872) no Hoare annotation was computed. [2020-10-28 12:48:57,927 INFO L274 CegarLoopResult]: For program point L288(lines 288 872) no Hoare annotation was computed. [2020-10-28 12:48:57,927 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-28 12:48:57,927 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-28 12:48:57,927 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-28 12:48:57,927 INFO L274 CegarLoopResult]: For program point L685(lines 685 872) no Hoare annotation was computed. [2020-10-28 12:48:57,927 INFO L274 CegarLoopResult]: For program point L355(lines 355 872) no Hoare annotation was computed. [2020-10-28 12:48:57,927 INFO L274 CegarLoopResult]: For program point L554(lines 554 872) no Hoare annotation was computed. [2020-10-28 12:48:57,927 INFO L274 CegarLoopResult]: For program point L422(lines 422 872) no Hoare annotation was computed. [2020-10-28 12:48:57,927 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,927 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,927 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,927 INFO L274 CegarLoopResult]: For program point L225(lines 225 872) no Hoare annotation was computed. [2020-10-28 12:48:57,928 INFO L270 CegarLoopResult]: At program point L159(line 159) the Hoare annotation is: (let ((.cse10 (not (<= (+ |old(~a12~0)| 43) 0))) (.cse5 (not (<= |old(~a15~0)| 8))) (.cse20 (not (<= 13 |old(~a12~0)|))) (.cse7 (not (<= |old(~a21~0)| 9))) (.cse19 (not (<= |old(~a12~0)| 73282))) (.cse14 (not (= 7 |old(~a21~0)|))) (.cse2 (not (= 6 |old(~a21~0)|))) (.cse17 (not (<= |old(~a12~0)| 2))) (.cse4 (not (<= |old(~a15~0)| 6))) (.cse8 (= 5 |old(~a15~0)|)) (.cse3 (not (<= 9 |old(~a21~0)|))) (.cse12 (not (<= 10 |old(~a21~0)|))) (.cse1 (not (= 8 |old(~a15~0)|))) (.cse6 (not (<= (+ |old(~a12~0)| 49) 0))) (.cse9 (not (<= |old(~a24~0)| 1))) (.cse18 (not (<= |old(~a12~0)| 10))) (.cse16 (not (<= 0 (+ |old(~a12~0)| 41)))) (.cse21 (not (<= |old(~a15~0)| 5))) (.cse0 (not (<= 19 |old(~a12~0)|))) (.cse11 (not (<= 9 |old(~a15~0)|))) (.cse15 (not (= 8 |old(~a21~0)|))) (.cse13 (not (= 7 |old(~a15~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3 (not (<= |old(~a12~0)| 76))) (or .cse4 .cse5 .cse6 .cse2) (or .cse0 .cse4 .cse7 .cse8 .cse3) (or .cse9 .cse4 .cse7 .cse3 .cse10) (or .cse11 .cse9 .cse12 .cse10) (or .cse0 .cse2 .cse13) (or .cse0 .cse14 .cse11) (or .cse11 .cse15 .cse16 .cse17) (or .cse14 .cse9 .cse1 .cse6) (or .cse18 .cse1 .cse3 .cse16) (or .cse9 .cse19 .cse20 .cse21) (or .cse9 .cse5 .cse6 .cse2) (or .cse4 .cse8 .cse19 .cse20 .cse2) (or .cse0 .cse11 .cse2) (or .cse3 .cse13) (or .cse9 .cse7 .cse21) (or .cse0 .cse12 .cse1) (or .cse0 .cse15 .cse8 .cse19) (or .cse14 .cse1 .cse16 .cse17) (or .cse14 .cse13) (or .cse18 .cse16 .cse2 .cse13) (or .cse0 .cse11 .cse3) (or .cse11 .cse12 .cse16 .cse17) (or .cse4 .cse8 .cse18 .cse3 .cse16) (or .cse9 .cse12 .cse1 .cse6) (or .cse11 .cse15 (not (<= (+ |old(~a12~0)| 526767) 0))) (or .cse9 .cse18 .cse16 .cse21) (or .cse0 .cse11 .cse15) (or .cse15 .cse13))) [2020-10-28 12:48:57,928 INFO L274 CegarLoopResult]: For program point L159-1(line 159) no Hoare annotation was computed. [2020-10-28 12:48:57,928 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-28 12:48:57,928 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-28 12:48:57,928 INFO L274 CegarLoopResult]: For program point L754(lines 754 872) no Hoare annotation was computed. [2020-10-28 12:48:57,928 INFO L274 CegarLoopResult]: For program point L821(lines 821 872) no Hoare annotation was computed. [2020-10-28 12:48:57,928 INFO L274 CegarLoopResult]: For program point L623(lines 623 872) no Hoare annotation was computed. [2020-10-28 12:48:57,928 INFO L274 CegarLoopResult]: For program point L557(lines 557 872) no Hoare annotation was computed. [2020-10-28 12:48:57,928 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,928 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,928 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,928 INFO L274 CegarLoopResult]: For program point L690(lines 690 872) no Hoare annotation was computed. [2020-10-28 12:48:57,928 INFO L274 CegarLoopResult]: For program point L492(lines 492 872) no Hoare annotation was computed. [2020-10-28 12:48:57,929 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-28 12:48:57,929 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-28 12:48:57,929 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-28 12:48:57,929 INFO L274 CegarLoopResult]: For program point L361(lines 361 872) no Hoare annotation was computed. [2020-10-28 12:48:57,929 INFO L274 CegarLoopResult]: For program point L295(lines 295 872) no Hoare annotation was computed. [2020-10-28 12:48:57,929 INFO L274 CegarLoopResult]: For program point L428(lines 428 872) no Hoare annotation was computed. [2020-10-28 12:48:57,929 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,929 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,929 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,929 INFO L274 CegarLoopResult]: For program point L231(lines 231 872) no Hoare annotation was computed. [2020-10-28 12:48:57,929 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-28 12:48:57,929 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-28 12:48:57,929 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-28 12:48:57,929 INFO L274 CegarLoopResult]: For program point L760(lines 760 872) no Hoare annotation was computed. [2020-10-28 12:48:57,929 INFO L274 CegarLoopResult]: For program point L628(lines 628 872) no Hoare annotation was computed. [2020-10-28 12:48:57,929 INFO L274 CegarLoopResult]: For program point L827(lines 827 872) no Hoare annotation was computed. [2020-10-28 12:48:57,929 INFO L274 CegarLoopResult]: For program point L563(lines 563 872) no Hoare annotation was computed. [2020-10-28 12:48:57,930 INFO L274 CegarLoopResult]: For program point L497(lines 497 872) no Hoare annotation was computed. [2020-10-28 12:48:57,930 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,930 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,930 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:48:57,930 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 12:48:57,930 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a24~0 1) (= ~a15~0 8) (= 7 ~a21~0) (= (+ ~a12~0 49) 0)) [2020-10-28 12:48:57,930 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 12:48:57,930 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 12:48:57,930 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 876 892) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (not (= (+ |old(~a12~0)| 49) 0)) (not (<= |old(~a24~0)| 1)) (and (= ~a24~0 |old(~a24~0)|) (= ~a15~0 8) (= ~a12~0 |old(~a12~0)|) (= 7 ~a21~0)) (not (= 8 |old(~a15~0)|))) [2020-10-28 12:48:57,931 INFO L270 CegarLoopResult]: At program point L890(line 890) the Hoare annotation is: (let ((.cse17 (<= (+ ~a12~0 49) 0)) (.cse21 (<= ~a12~0 76)) (.cse4 (= ~a24~0 |old(~a24~0)|)) (.cse5 (= ~a12~0 |old(~a12~0)|)) (.cse7 (= ~a15~0 |old(~a15~0)|)) (.cse22 (<= 13 ~a12~0)) (.cse12 (= ~a15~0 8)) (.cse0 (<= ~a15~0 5)) (.cse16 (<= ~a12~0 10)) (.cse2 (<= |old(~a21~0)| 9)) (.cse15 (<= 0 (+ ~a12~0 41))) (.cse25 (<= ~a12~0 2)) (.cse24 (<= 10 ~a21~0)) (.cse14 (= 7 ~a15~0)) (.cse6 (= 7 ~a21~0)) (.cse8 (not (= 5 ~a15~0))) (.cse13 (= ~a21~0 6)) (.cse10 (<= ~a12~0 73282)) (.cse11 (<= 19 ~a12~0)) (.cse18 (<= 9 ~a21~0)) (.cse1 (<= ~a24~0 1)) (.cse23 (<= (+ ~a12~0 43) 0)) (.cse3 (<= ~a21~0 9)) (.cse19 (<= ~a15~0 6)) (.cse20 (<= 9 ~a15~0)) (.cse9 (= ~a21~0 8))) (or (not (<= |old(~a24~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse9 .cse10 .cse11) (and .cse12 .cse13 .cse11) (and .cse14 .cse9) (and .cse14 .cse13 .cse11) (not (= 8 |old(~a15~0)|)) (and .cse14 .cse15 .cse16 .cse13) (and .cse1 .cse17 .cse13 (<= ~a15~0 8)) (and .cse18 .cse8 .cse3 .cse11 .cse19) (and .cse18 .cse20 .cse11) (and .cse17 .cse13 .cse19) (and .cse18 .cse12 .cse11 .cse21) (and .cse22 .cse8 .cse13 .cse19 .cse21) (and .cse1 .cse23 .cse20 .cse24) (and .cse15 .cse18 .cse16 .cse12) (and .cse12 .cse24 .cse11) (and .cse13 .cse20 .cse11) (and .cse14 .cse18) (and .cse4 .cse24 .cse5 .cse7) (and .cse22 .cse0 .cse1 .cse2 .cse10) (and .cse20 .cse9 .cse11) (and .cse15 .cse25 .cse20 .cse9) (and .cse15 .cse12 .cse25 .cse6) (and .cse15 .cse18 .cse8 .cse16 .cse19) (not (= (+ |old(~a12~0)| 49) 0)) (not (= 7 |old(~a21~0)|)) (and .cse15 .cse0 .cse16 .cse1 .cse2) (and .cse20 .cse6 .cse11) (and .cse15 .cse25 .cse20 .cse24) (and .cse14 .cse6) (and .cse8 .cse13 .cse10 .cse11) (and .cse18 .cse1 .cse23 .cse3 .cse19) (and .cse20 .cse9 (<= (+ ~a12~0 526767) 0)))) [2020-10-28 12:48:57,931 INFO L274 CegarLoopResult]: For program point L890-1(line 890) no Hoare annotation was computed. [2020-10-28 12:48:57,931 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 876 892) no Hoare annotation was computed. [2020-10-28 12:48:57,931 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-28 12:48:57,932 INFO L270 CegarLoopResult]: At program point L882-2(lines 882 891) the Hoare annotation is: (let ((.cse17 (<= (+ ~a12~0 49) 0)) (.cse21 (<= ~a12~0 76)) (.cse4 (= ~a24~0 |old(~a24~0)|)) (.cse5 (= ~a12~0 |old(~a12~0)|)) (.cse7 (= ~a15~0 |old(~a15~0)|)) (.cse22 (<= 13 ~a12~0)) (.cse12 (= ~a15~0 8)) (.cse0 (<= ~a15~0 5)) (.cse16 (<= ~a12~0 10)) (.cse2 (<= |old(~a21~0)| 9)) (.cse15 (<= 0 (+ ~a12~0 41))) (.cse25 (<= ~a12~0 2)) (.cse24 (<= 10 ~a21~0)) (.cse14 (= 7 ~a15~0)) (.cse6 (= 7 ~a21~0)) (.cse8 (not (= 5 ~a15~0))) (.cse13 (= ~a21~0 6)) (.cse10 (<= ~a12~0 73282)) (.cse11 (<= 19 ~a12~0)) (.cse18 (<= 9 ~a21~0)) (.cse1 (<= ~a24~0 1)) (.cse23 (<= (+ ~a12~0 43) 0)) (.cse3 (<= ~a21~0 9)) (.cse19 (<= ~a15~0 6)) (.cse20 (<= 9 ~a15~0)) (.cse9 (= ~a21~0 8))) (or (not (<= |old(~a24~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse9 .cse10 .cse11) (and .cse12 .cse13 .cse11) (and .cse14 .cse9) (and .cse14 .cse13 .cse11) (not (= 8 |old(~a15~0)|)) (and .cse14 .cse15 .cse16 .cse13) (and .cse1 .cse17 .cse13 (<= ~a15~0 8)) (and .cse18 .cse8 .cse3 .cse11 .cse19) (and .cse18 .cse20 .cse11) (and .cse17 .cse13 .cse19) (and .cse18 .cse12 .cse11 .cse21) (and .cse22 .cse8 .cse13 .cse19 .cse21) (and .cse1 .cse23 .cse20 .cse24) (and .cse15 .cse18 .cse16 .cse12) (and .cse12 .cse24 .cse11) (and .cse13 .cse20 .cse11) (and .cse14 .cse18) (and .cse4 .cse24 .cse5 .cse7) (and .cse22 .cse0 .cse1 .cse2 .cse10) (and .cse20 .cse9 .cse11) (and .cse15 .cse25 .cse20 .cse9) (and .cse15 .cse12 .cse25 .cse6) (and .cse15 .cse18 .cse8 .cse16 .cse19) (not (= (+ |old(~a12~0)| 49) 0)) (not (= 7 |old(~a21~0)|)) (and .cse15 .cse0 .cse16 .cse1 .cse2) (and .cse20 .cse6 .cse11) (and .cse15 .cse25 .cse20 .cse24) (and .cse14 .cse6) (and .cse8 .cse13 .cse10 .cse11) (and .cse18 .cse1 .cse23 .cse3 .cse19) (and .cse20 .cse9 (<= (+ ~a12~0 526767) 0)))) [2020-10-28 12:48:57,932 INFO L274 CegarLoopResult]: For program point L882-3(lines 876 892) no Hoare annotation was computed. [2020-10-28 12:48:57,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 12:48:57 BoogieIcfgContainer [2020-10-28 12:48:57,984 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 12:48:57,985 INFO L168 Benchmark]: Toolchain (without parser) took 191528.80 ms. Allocated memory was 156.2 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 129.9 MB in the beginning and 1.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.8 GB. Max. memory is 8.0 GB. [2020-10-28 12:48:57,986 INFO L168 Benchmark]: CDTParser took 0.72 ms. Allocated memory is still 156.2 MB. Free memory is still 128.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 12:48:57,986 INFO L168 Benchmark]: CACSL2BoogieTranslator took 968.53 ms. Allocated memory is still 156.2 MB. Free memory was 129.3 MB in the beginning and 129.2 MB in the end (delta: 155.5 kB). Peak memory consumption was 27.6 MB. Max. memory is 8.0 GB. [2020-10-28 12:48:57,992 INFO L168 Benchmark]: Boogie Preprocessor took 199.01 ms. Allocated memory is still 156.2 MB. Free memory was 129.2 MB in the beginning and 123.4 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-10-28 12:48:57,993 INFO L168 Benchmark]: RCFGBuilder took 1942.64 ms. Allocated memory is still 156.2 MB. Free memory was 123.4 MB in the beginning and 84.7 MB in the end (delta: 38.7 MB). Peak memory consumption was 79.7 MB. Max. memory is 8.0 GB. [2020-10-28 12:48:57,993 INFO L168 Benchmark]: TraceAbstraction took 188401.18 ms. Allocated memory was 156.2 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 84.2 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.8 GB. Max. memory is 8.0 GB. [2020-10-28 12:48:57,996 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72 ms. Allocated memory is still 156.2 MB. Free memory is still 128.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 968.53 ms. Allocated memory is still 156.2 MB. Free memory was 129.3 MB in the beginning and 129.2 MB in the end (delta: 155.5 kB). Peak memory consumption was 27.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 199.01 ms. Allocated memory is still 156.2 MB. Free memory was 129.2 MB in the beginning and 123.4 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1942.64 ms. Allocated memory is still 156.2 MB. Free memory was 123.4 MB in the beginning and 84.7 MB in the end (delta: 38.7 MB). Peak memory consumption was 79.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 188401.18 ms. Allocated memory was 156.2 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 84.2 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.8 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((!(\old(a24) <= 1) || (((a15 <= 5 && a24 <= 1) && \old(a21) <= 9) && a21 <= 9)) || (((a24 == \old(a24) && a12 == \old(a12)) && 7 == a21) && a15 == \old(a15))) || (((!(5 == a15) && a21 == 8) && a12 <= 73282) && 19 <= a12)) || ((a15 == 8 && a21 == 6) && 19 <= a12)) || (7 == a15 && a21 == 8)) || ((7 == a15 && a21 == 6) && 19 <= a12)) || !(8 == \old(a15))) || (((7 == a15 && 0 <= a12 + 41) && a12 <= 10) && a21 == 6)) || (((a24 <= 1 && a12 + 49 <= 0) && a21 == 6) && a15 <= 8)) || ((((9 <= a21 && !(5 == a15)) && a21 <= 9) && 19 <= a12) && a15 <= 6)) || ((9 <= a21 && 9 <= a15) && 19 <= a12)) || ((a12 + 49 <= 0 && a21 == 6) && a15 <= 6)) || (((9 <= a21 && a15 == 8) && 19 <= a12) && a12 <= 76)) || ((((13 <= a12 && !(5 == a15)) && a21 == 6) && a15 <= 6) && a12 <= 76)) || (((a24 <= 1 && a12 + 43 <= 0) && 9 <= a15) && 10 <= a21)) || (((0 <= a12 + 41 && 9 <= a21) && a12 <= 10) && a15 == 8)) || ((a15 == 8 && 10 <= a21) && 19 <= a12)) || ((a21 == 6 && 9 <= a15) && 19 <= a12)) || (7 == a15 && 9 <= a21)) || (((a24 == \old(a24) && 10 <= a21) && a12 == \old(a12)) && a15 == \old(a15))) || ((((13 <= a12 && a15 <= 5) && a24 <= 1) && \old(a21) <= 9) && a12 <= 73282)) || ((9 <= a15 && a21 == 8) && 19 <= a12)) || (((0 <= a12 + 41 && a12 <= 2) && 9 <= a15) && a21 == 8)) || (((0 <= a12 + 41 && a15 == 8) && a12 <= 2) && 7 == a21)) || ((((0 <= a12 + 41 && 9 <= a21) && !(5 == a15)) && a12 <= 10) && a15 <= 6)) || !(\old(a12) + 49 == 0)) || !(7 == \old(a21))) || ((((0 <= a12 + 41 && a15 <= 5) && a12 <= 10) && a24 <= 1) && \old(a21) <= 9)) || ((9 <= a15 && 7 == a21) && 19 <= a12)) || (((0 <= a12 + 41 && a12 <= 2) && 9 <= a15) && 10 <= a21)) || (7 == a15 && 7 == a21)) || (((!(5 == a15) && a21 == 6) && a12 <= 73282) && 19 <= a12)) || ((((9 <= a21 && a24 <= 1) && a12 + 43 <= 0) && a21 <= 9) && a15 <= 6)) || ((9 <= a15 && a21 == 8) && a12 + 526767 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 258 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 171.3s, OverallIterations: 20, TraceHistogramMax: 15, AutomataDifference: 51.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 562 SDtfs, 11808 SDslu, 735 SDs, 0 SdLazy, 21913 SolverSat, 2777 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 35.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 546 GetRequests, 358 SyntacticMatches, 4 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 6.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10723occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.6s AutomataMinimizationTime, 20 MinimizatonAttempts, 2923 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1064 PreInvPairs, 1188 NumberOfFragments, 2377 HoareAnnotationTreeSize, 1064 FomulaSimplifications, 157622 FormulaSimplificationTreeSizeReduction, 2.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 17561 FormulaSimplificationTreeSizeReductionInter, 14.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 99.2s InterpolantComputationTime, 16120 NumberOfCodeBlocks, 16120 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 16100 ConstructedInterpolants, 0 QuantifiedInterpolants, 32078256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 3 PerfectInterpolantSequences, 57738/59325 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 correct! Received shutdown request...