/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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=0.4 --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 -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label47.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 03:20:41,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 03:20:41,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 03:20:41,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 03:20:41,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 03:20:41,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 03:20:41,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 03:20:41,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 03:20:41,072 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 03:20:41,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 03:20:41,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 03:20:41,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 03:20:41,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 03:20:41,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 03:20:41,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 03:20:41,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 03:20:41,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 03:20:41,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 03:20:41,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 03:20:41,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 03:20:41,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 03:20:41,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 03:20:41,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 03:20:41,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 03:20:41,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 03:20:41,092 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 03:20:41,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 03:20:41,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 03:20:41,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 03:20:41,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 03:20:41,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 03:20:41,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 03:20:41,097 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 03:20:41,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 03:20:41,099 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 03:20:41,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 03:20:41,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 03:20:41,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 03:20:41,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 03:20:41,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 03:20:41,101 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 03:20:41,102 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 [2020-10-14 03:20:41,126 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 03:20:41,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 03:20:41,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 03:20:41,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 03:20:41,128 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 03:20:41,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 03:20:41,129 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 03:20:41,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 03:20:41,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 03:20:41,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 03:20:41,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 03:20:41,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 03:20:41,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 03:20:41,130 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 03:20:41,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 03:20:41,130 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 03:20:41,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 03:20:41,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 03:20:41,131 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 03:20:41,131 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 03:20:41,132 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 03:20:41,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 03:20:41,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 03:20:41,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 03:20:41,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 03:20:41,133 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 03:20:41,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 03:20:41,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 03:20:41,133 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 03:20:41,133 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 03:20:41,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 03:20:41,500 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 03:20:41,504 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 03:20:41,506 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 03:20:41,506 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 03:20:41,507 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label47.c [2020-10-14 03:20:41,587 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fe8608245/d8a6dca9694245d4925fdc72a441190f/FLAGc95dff83f [2020-10-14 03:20:42,224 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 03:20:42,227 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label47.c [2020-10-14 03:20:42,240 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fe8608245/d8a6dca9694245d4925fdc72a441190f/FLAGc95dff83f [2020-10-14 03:20:42,498 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fe8608245/d8a6dca9694245d4925fdc72a441190f [2020-10-14 03:20:42,510 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 03:20:42,512 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 03:20:42,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 03:20:42,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 03:20:42,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 03:20:42,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:20:42" (1/1) ... [2020-10-14 03:20:42,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30a48022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:42, skipping insertion in model container [2020-10-14 03:20:42,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:20:42" (1/1) ... [2020-10-14 03:20:42,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 03:20:42,585 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 03:20:43,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 03:20:43,246 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 03:20:43,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 03:20:43,471 INFO L208 MainTranslator]: Completed translation [2020-10-14 03:20:43,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:43 WrapperNode [2020-10-14 03:20:43,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 03:20:43,474 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 03:20:43,474 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 03:20:43,475 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 03:20:43,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:43" (1/1) ... [2020-10-14 03:20:43,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:43" (1/1) ... [2020-10-14 03:20:43,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:43" (1/1) ... [2020-10-14 03:20:43,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:43" (1/1) ... [2020-10-14 03:20:43,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:43" (1/1) ... [2020-10-14 03:20:43,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:43" (1/1) ... [2020-10-14 03:20:43,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:43" (1/1) ... [2020-10-14 03:20:43,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 03:20:43,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 03:20:43,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 03:20:43,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 03:20:43,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:43" (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 [2020-10-14 03:20:43,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 03:20:43,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 03:20:43,699 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 03:20:43,700 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 03:20:43,700 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 03:20:43,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 03:20:43,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 03:20:43,702 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 03:20:43,702 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 03:20:43,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 03:20:43,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 03:20:45,104 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 03:20:45,105 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 03:20:45,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:20:45 BoogieIcfgContainer [2020-10-14 03:20:45,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 03:20:45,113 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 03:20:45,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 03:20:45,116 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 03:20:45,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:20:42" (1/3) ... [2020-10-14 03:20:45,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e7f9370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:20:45, skipping insertion in model container [2020-10-14 03:20:45,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:20:43" (2/3) ... [2020-10-14 03:20:45,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e7f9370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:20:45, skipping insertion in model container [2020-10-14 03:20:45,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:20:45" (3/3) ... [2020-10-14 03:20:45,120 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label47.c [2020-10-14 03:20:45,131 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 03:20:45,139 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 03:20:45,154 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 03:20:45,181 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 03:20:45,181 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 03:20:45,181 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 03:20:45,181 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 03:20:45,181 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 03:20:45,182 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 03:20:45,182 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 03:20:45,182 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 03:20:45,211 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-14 03:20:45,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-14 03:20:45,219 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:20:45,220 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] [2020-10-14 03:20:45,220 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:20:45,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:20:45,227 INFO L82 PathProgramCache]: Analyzing trace with hash -1824869262, now seen corresponding path program 1 times [2020-10-14 03:20:45,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:20:45,237 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1689554400] [2020-10-14 03:20:45,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:20:45,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:45,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:45,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:45,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-14 03:20:45,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:45,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 376 [2020-10-14 03:20:45,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:45,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:45,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 03:20:45,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 03:20:45,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-14 03:20:45,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 03:20:45,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:20:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:45,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:45,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:45,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:20:45,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:45,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 03:20:45,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:45,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:45,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:20:45,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:45,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 03:20:45,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:45,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:20:45,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1689554400] [2020-10-14 03:20:45,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 03:20:45,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 03:20:45,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169422510] [2020-10-14 03:20:45,970 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:20:45,971 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:20:45,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:20:45,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:20:45,992 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-10-14 03:20:48,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:20:48,691 INFO L93 Difference]: Finished difference Result 886 states and 1612 transitions. [2020-10-14 03:20:48,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 03:20:48,693 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2020-10-14 03:20:48,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:20:48,713 INFO L225 Difference]: With dead ends: 886 [2020-10-14 03:20:48,713 INFO L226 Difference]: Without dead ends: 564 [2020-10-14 03:20:48,724 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:20:48,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-14 03:20:48,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-14 03:20:48,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-14 03:20:48,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 855 transitions. [2020-10-14 03:20:48,820 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 855 transitions. Word has length 39 [2020-10-14 03:20:48,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:20:48,821 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 855 transitions. [2020-10-14 03:20:48,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:20:48,821 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 855 transitions. [2020-10-14 03:20:48,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-14 03:20:48,826 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:20:48,827 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:20:48,827 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 03:20:48,827 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:20:48,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:20:48,828 INFO L82 PathProgramCache]: Analyzing trace with hash 643656041, now seen corresponding path program 1 times [2020-10-14 03:20:48,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:20:48,828 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1830742951] [2020-10-14 03:20:48,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:20:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:48,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:49,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:49,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:50,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:50,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:20:50,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:20:50,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1243 [2020-10-14 03:20:50,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:50,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:50,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:50,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 03:20:50,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-14 03:20:50,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:20:50,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:20:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:50,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:50,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:50,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:20:50,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:50,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 03:20:50,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:50,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:50,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:50,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:50,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:50,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:50,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:20:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:50,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:50,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:50,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 03:20:50,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:50,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-14 03:20:50,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:50,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:50,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:20:50,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:50,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 03:20:50,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:50,329 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 31 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:20:50,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1830742951] [2020-10-14 03:20:50,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:20:50,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:20:50,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938063399] [2020-10-14 03:20:50,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:20:50,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:20:50,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:20:50,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:20:50,334 INFO L87 Difference]: Start difference. First operand 560 states and 855 transitions. Second operand 5 states. [2020-10-14 03:20:51,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:20:51,877 INFO L93 Difference]: Finished difference Result 1302 states and 2019 transitions. [2020-10-14 03:20:51,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:20:51,878 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 108 [2020-10-14 03:20:51,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:20:51,884 INFO L225 Difference]: With dead ends: 1302 [2020-10-14 03:20:51,885 INFO L226 Difference]: Without dead ends: 748 [2020-10-14 03:20:51,888 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:20:51,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-14 03:20:51,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 744. [2020-10-14 03:20:51,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-14 03:20:51,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1049 transitions. [2020-10-14 03:20:51,934 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1049 transitions. Word has length 108 [2020-10-14 03:20:51,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:20:51,935 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 1049 transitions. [2020-10-14 03:20:51,935 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:20:51,935 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1049 transitions. [2020-10-14 03:20:51,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-14 03:20:51,946 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:20:51,947 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 03:20:51,947 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 03:20:51,947 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:20:51,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:20:51,948 INFO L82 PathProgramCache]: Analyzing trace with hash 128425358, now seen corresponding path program 1 times [2020-10-14 03:20:51,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:20:51,948 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1299181459] [2020-10-14 03:20:51,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:20:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:52,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:52,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:52,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:52,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:54,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:56,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:56,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-10-14 03:20:56,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:20:56,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4237 [2020-10-14 03:20:56,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:56,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:56,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:56,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 03:20:56,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 03:20:56,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:56,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:20:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:56,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:56,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:56,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:20:56,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:56,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:20:56,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:56,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:56,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:56,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:56,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:56,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:56,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:20:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:56,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:56,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:56,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 03:20:56,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:56,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 03:20:56,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:56,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:56,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:20:56,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:56,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 03:20:56,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:56,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 03:20:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:56,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:56,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:56,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 03:20:56,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:56,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-14 03:20:56,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:56,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:56,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:56,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:20:56,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 03:20:56,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:56,759 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:20:56,760 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1299181459] [2020-10-14 03:20:56,760 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:20:56,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:20:56,760 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719469341] [2020-10-14 03:20:56,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:20:56,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:20:56,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:20:56,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:20:56,764 INFO L87 Difference]: Start difference. First operand 744 states and 1049 transitions. Second operand 7 states. [2020-10-14 03:20:58,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:20:58,748 INFO L93 Difference]: Finished difference Result 1684 states and 2320 transitions. [2020-10-14 03:20:58,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:20:58,750 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 191 [2020-10-14 03:20:58,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:20:58,765 INFO L225 Difference]: With dead ends: 1684 [2020-10-14 03:20:58,766 INFO L226 Difference]: Without dead ends: 760 [2020-10-14 03:20:58,770 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:20:58,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2020-10-14 03:20:58,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 748. [2020-10-14 03:20:58,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 748 states. [2020-10-14 03:20:58,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 859 transitions. [2020-10-14 03:20:58,820 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 859 transitions. Word has length 191 [2020-10-14 03:20:58,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:20:58,821 INFO L479 AbstractCegarLoop]: Abstraction has 748 states and 859 transitions. [2020-10-14 03:20:58,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:20:58,822 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 859 transitions. [2020-10-14 03:20:58,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-10-14 03:20:58,838 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:20:58,840 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:20:58,840 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 03:20:58,840 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:20:58,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:20:58,850 INFO L82 PathProgramCache]: Analyzing trace with hash -942295223, now seen corresponding path program 1 times [2020-10-14 03:20:58,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:20:58,853 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1896101045] [2020-10-14 03:20:58,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:20:58,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:58,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:59,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:59,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:01,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:02,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:03,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:03,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 304 [2020-10-14 03:21:03,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:21:03,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-10-14 03:21:03,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:03,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:03,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:03,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 189 [2020-10-14 03:21:03,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 03:21:03,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 03:21:04,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:04,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:04,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:04,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:04,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:04,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:21:04,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:04,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:04,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:04,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:04,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:04,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:04,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:04,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:04,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:04,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:21:04,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:04,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-14 03:21:04,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:04,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:04,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:04,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:04,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-14 03:21:04,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:04,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:21:04,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:04,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:04,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:04,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 03:21:04,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:04,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-14 03:21:04,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:04,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:04,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:04,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:21:04,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 03:21:04,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:04,526 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:21:04,527 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1896101045] [2020-10-14 03:21:04,527 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:04,528 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:21:04,528 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963527540] [2020-10-14 03:21:04,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:21:04,530 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:04,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:21:04,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:21:04,531 INFO L87 Difference]: Start difference. First operand 748 states and 859 transitions. Second operand 7 states. [2020-10-14 03:21:06,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:06,076 INFO L93 Difference]: Finished difference Result 2090 states and 2512 transitions. [2020-10-14 03:21:06,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:21:06,077 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 292 [2020-10-14 03:21:06,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:06,087 INFO L225 Difference]: With dead ends: 2090 [2020-10-14 03:21:06,087 INFO L226 Difference]: Without dead ends: 1348 [2020-10-14 03:21:06,091 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:21:06,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1348 states. [2020-10-14 03:21:06,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1348 to 1124. [2020-10-14 03:21:06,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1124 states. [2020-10-14 03:21:06,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1266 transitions. [2020-10-14 03:21:06,141 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1266 transitions. Word has length 292 [2020-10-14 03:21:06,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:06,142 INFO L479 AbstractCegarLoop]: Abstraction has 1124 states and 1266 transitions. [2020-10-14 03:21:06,142 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:21:06,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1266 transitions. [2020-10-14 03:21:06,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2020-10-14 03:21:06,148 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:06,149 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:21:06,149 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 03:21:06,149 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:06,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:06,150 INFO L82 PathProgramCache]: Analyzing trace with hash -1011630559, now seen corresponding path program 1 times [2020-10-14 03:21:06,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:06,150 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [543009899] [2020-10-14 03:21:06,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:06,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:06,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:07,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:10,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:10,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 316 [2020-10-14 03:21:10,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:21:10,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3880 [2020-10-14 03:21:10,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:10,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:10,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:10,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 277 [2020-10-14 03:21:10,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-14 03:21:10,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:10,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:10,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:10,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:10,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:10,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:10,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:21:10,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:10,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:10,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:10,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:10,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:10,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:10,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:10,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:10,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:10,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:21:10,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:10,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 03:21:10,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:10,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:10,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:10,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:10,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:10,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:10,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:21:10,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:10,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:10,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:10,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:21:10,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:10,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-14 03:21:10,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:10,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:10,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:10,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:10,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 03:21:10,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:10,594 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-14 03:21:10,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [543009899] [2020-10-14 03:21:10,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:10,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:21:10,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900463290] [2020-10-14 03:21:10,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:21:10,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:10,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:21:10,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:21:10,598 INFO L87 Difference]: Start difference. First operand 1124 states and 1266 transitions. Second operand 5 states. [2020-10-14 03:21:11,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:11,885 INFO L93 Difference]: Finished difference Result 2806 states and 3250 transitions. [2020-10-14 03:21:11,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:21:11,888 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 304 [2020-10-14 03:21:11,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:11,900 INFO L225 Difference]: With dead ends: 2806 [2020-10-14 03:21:11,901 INFO L226 Difference]: Without dead ends: 1688 [2020-10-14 03:21:11,905 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:21:11,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1688 states. [2020-10-14 03:21:11,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1688 to 1496. [2020-10-14 03:21:11,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1496 states. [2020-10-14 03:21:11,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1496 states and 1680 transitions. [2020-10-14 03:21:11,961 INFO L78 Accepts]: Start accepts. Automaton has 1496 states and 1680 transitions. Word has length 304 [2020-10-14 03:21:11,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:11,962 INFO L479 AbstractCegarLoop]: Abstraction has 1496 states and 1680 transitions. [2020-10-14 03:21:11,962 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:21:11,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 1680 transitions. [2020-10-14 03:21:11,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2020-10-14 03:21:11,968 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:11,969 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:21:11,969 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 03:21:11,969 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:11,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:11,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1727483277, now seen corresponding path program 1 times [2020-10-14 03:21:11,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:11,970 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [925144877] [2020-10-14 03:21:11,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:12,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:12,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:12,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:13,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:16,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:16,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 322 [2020-10-14 03:21:16,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:21:16,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4790 [2020-10-14 03:21:16,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:16,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:16,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:16,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 283 [2020-10-14 03:21:16,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-14 03:21:16,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:16,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:16,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:16,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:16,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:16,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:16,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:21:16,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:16,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:16,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:16,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:16,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:16,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:16,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:16,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:16,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:16,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:16,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:21:16,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:16,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 03:21:16,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:16,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:16,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:16,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:16,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:16,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:17,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:21:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:17,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:17,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:17,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-14 03:21:17,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:17,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-14 03:21:17,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:17,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:17,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:17,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:17,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 03:21:17,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:17,223 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-10-14 03:21:17,224 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [925144877] [2020-10-14 03:21:17,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:17,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:21:17,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198252678] [2020-10-14 03:21:17,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:21:17,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:17,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:21:17,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:21:17,226 INFO L87 Difference]: Start difference. First operand 1496 states and 1680 transitions. Second operand 5 states. [2020-10-14 03:21:18,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:18,346 INFO L93 Difference]: Finished difference Result 3544 states and 4030 transitions. [2020-10-14 03:21:18,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:21:18,347 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 310 [2020-10-14 03:21:18,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:18,355 INFO L225 Difference]: With dead ends: 3544 [2020-10-14 03:21:18,355 INFO L226 Difference]: Without dead ends: 1498 [2020-10-14 03:21:18,360 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:21:18,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states. [2020-10-14 03:21:18,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 1494. [2020-10-14 03:21:18,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1494 states. [2020-10-14 03:21:18,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1494 states and 1653 transitions. [2020-10-14 03:21:18,407 INFO L78 Accepts]: Start accepts. Automaton has 1494 states and 1653 transitions. Word has length 310 [2020-10-14 03:21:18,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:18,408 INFO L479 AbstractCegarLoop]: Abstraction has 1494 states and 1653 transitions. [2020-10-14 03:21:18,408 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:21:18,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 1653 transitions. [2020-10-14 03:21:18,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-10-14 03:21:18,414 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:18,414 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:21:18,415 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 03:21:18,415 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:18,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:18,415 INFO L82 PathProgramCache]: Analyzing trace with hash 540873046, now seen corresponding path program 1 times [2020-10-14 03:21:18,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:18,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1155794537] [2020-10-14 03:21:18,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:18,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:18,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:18,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:19,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:20,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:22,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:22,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 331 [2020-10-14 03:21:22,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:21:22,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3859 [2020-10-14 03:21:22,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:22,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:22,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:22,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 292 [2020-10-14 03:21:22,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-14 03:21:22,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:22,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:22,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:22,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:22,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:22,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:22,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:21:22,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:22,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:22,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:22,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:22,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:22,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:22,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:22,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:22,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:22,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:21:22,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:22,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 03:21:22,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:22,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:22,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:22,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:22,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:22,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:22,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:21:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:22,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:22,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:22,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-14 03:21:22,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:22,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-14 03:21:22,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:22,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:22,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:22,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:22,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-14 03:21:22,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:22,701 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-14 03:21:22,701 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1155794537] [2020-10-14 03:21:22,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:22,702 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:21:22,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043276231] [2020-10-14 03:21:22,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:21:22,704 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:22,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:21:22,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:21:22,705 INFO L87 Difference]: Start difference. First operand 1494 states and 1653 transitions. Second operand 5 states. [2020-10-14 03:21:23,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:23,819 INFO L93 Difference]: Finished difference Result 3538 states and 3951 transitions. [2020-10-14 03:21:23,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:21:23,819 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 319 [2020-10-14 03:21:23,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:23,830 INFO L225 Difference]: With dead ends: 3538 [2020-10-14 03:21:23,830 INFO L226 Difference]: Without dead ends: 2050 [2020-10-14 03:21:23,834 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:21:23,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2050 states. [2020-10-14 03:21:23,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2050 to 2046. [2020-10-14 03:21:23,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2046 states. [2020-10-14 03:21:23,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2046 states to 2046 states and 2239 transitions. [2020-10-14 03:21:23,885 INFO L78 Accepts]: Start accepts. Automaton has 2046 states and 2239 transitions. Word has length 319 [2020-10-14 03:21:23,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:23,886 INFO L479 AbstractCegarLoop]: Abstraction has 2046 states and 2239 transitions. [2020-10-14 03:21:23,886 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:21:23,886 INFO L276 IsEmpty]: Start isEmpty. Operand 2046 states and 2239 transitions. [2020-10-14 03:21:23,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2020-10-14 03:21:23,894 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:23,895 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:21:23,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 03:21:23,895 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:23,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:23,896 INFO L82 PathProgramCache]: Analyzing trace with hash 2037446949, now seen corresponding path program 1 times [2020-10-14 03:21:23,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:23,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [679839978] [2020-10-14 03:21:23,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:23,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:24,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:24,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:24,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:25,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:28,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:28,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 406 [2020-10-14 03:21:28,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:21:28,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-14 03:21:28,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:28,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:28,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:28,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 270 [2020-10-14 03:21:28,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-14 03:21:28,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:29,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:29,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:29,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:29,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:29,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:29,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:21:29,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:29,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:29,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:29,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:29,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:29,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:29,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:29,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:29,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:29,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:21:29,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:29,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 03:21:29,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:29,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:29,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:29,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:29,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:29,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:29,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:21:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:29,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:29,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:29,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 03:21:29,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:29,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 03:21:29,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:29,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:29,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:29,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:29,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 03:21:29,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:29,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-10-14 03:21:29,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:29,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:29,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:29,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 03:21:29,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:29,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-14 03:21:29,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:29,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:29,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:29,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:21:29,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-14 03:21:29,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:29,455 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 269 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-14 03:21:29,456 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [679839978] [2020-10-14 03:21:29,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:29,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:21:29,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273653143] [2020-10-14 03:21:29,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:21:29,458 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:29,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:21:29,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:21:29,458 INFO L87 Difference]: Start difference. First operand 2046 states and 2239 transitions. Second operand 7 states. [2020-10-14 03:21:30,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:30,945 INFO L93 Difference]: Finished difference Result 4706 states and 5410 transitions. [2020-10-14 03:21:30,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 03:21:30,946 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 392 [2020-10-14 03:21:30,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:30,962 INFO L225 Difference]: With dead ends: 4706 [2020-10-14 03:21:30,962 INFO L226 Difference]: Without dead ends: 2666 [2020-10-14 03:21:30,969 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-14 03:21:30,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2666 states. [2020-10-14 03:21:31,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2666 to 2606. [2020-10-14 03:21:31,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2606 states. [2020-10-14 03:21:31,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2606 states to 2606 states and 2879 transitions. [2020-10-14 03:21:31,048 INFO L78 Accepts]: Start accepts. Automaton has 2606 states and 2879 transitions. Word has length 392 [2020-10-14 03:21:31,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:31,049 INFO L479 AbstractCegarLoop]: Abstraction has 2606 states and 2879 transitions. [2020-10-14 03:21:31,049 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:21:31,049 INFO L276 IsEmpty]: Start isEmpty. Operand 2606 states and 2879 transitions. [2020-10-14 03:21:31,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2020-10-14 03:21:31,055 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:31,055 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 03:21:31,055 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 03:21:31,056 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:31,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:31,056 INFO L82 PathProgramCache]: Analyzing trace with hash -665426230, now seen corresponding path program 1 times [2020-10-14 03:21:31,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:31,057 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1747664685] [2020-10-14 03:21:31,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:31,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:31,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:32,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:32,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:34,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:34,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 405 [2020-10-14 03:21:34,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:21:34,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3612 [2020-10-14 03:21:34,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:34,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:34,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:34,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 366 [2020-10-14 03:21:34,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-14 03:21:34,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:34,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:34,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:34,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:34,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:34,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:34,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:34,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:21:34,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:34,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:34,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:34,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:34,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:34,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:34,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:34,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:34,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:34,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:34,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:21:34,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:34,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 03:21:34,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:34,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:34,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:34,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:34,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:34,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:34,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:21:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:34,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:35,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:35,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-14 03:21:35,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:35,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-14 03:21:35,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:35,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:35,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:35,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:35,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-14 03:21:35,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:35,092 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2020-10-14 03:21:35,093 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1747664685] [2020-10-14 03:21:35,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:35,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:21:35,094 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413118044] [2020-10-14 03:21:35,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:21:35,094 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:35,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:21:35,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:21:35,095 INFO L87 Difference]: Start difference. First operand 2606 states and 2879 transitions. Second operand 5 states. [2020-10-14 03:21:36,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:36,255 INFO L93 Difference]: Finished difference Result 6310 states and 7044 transitions. [2020-10-14 03:21:36,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:21:36,256 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 393 [2020-10-14 03:21:36,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:36,276 INFO L225 Difference]: With dead ends: 6310 [2020-10-14 03:21:36,276 INFO L226 Difference]: Without dead ends: 3710 [2020-10-14 03:21:36,283 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:21:36,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3710 states. [2020-10-14 03:21:36,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3710 to 3340. [2020-10-14 03:21:36,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3340 states. [2020-10-14 03:21:36,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3340 states to 3340 states and 3628 transitions. [2020-10-14 03:21:36,399 INFO L78 Accepts]: Start accepts. Automaton has 3340 states and 3628 transitions. Word has length 393 [2020-10-14 03:21:36,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:36,400 INFO L479 AbstractCegarLoop]: Abstraction has 3340 states and 3628 transitions. [2020-10-14 03:21:36,400 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:21:36,400 INFO L276 IsEmpty]: Start isEmpty. Operand 3340 states and 3628 transitions. [2020-10-14 03:21:36,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2020-10-14 03:21:36,410 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:36,411 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:21:36,411 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 03:21:36,411 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:36,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:36,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1781533650, now seen corresponding path program 1 times [2020-10-14 03:21:36,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:36,413 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [45521117] [2020-10-14 03:21:36,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:36,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:36,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:36,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:36,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:41,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:41,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 413 [2020-10-14 03:21:41,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:21:41,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-14 03:21:41,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:41,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:41,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 03:21:41,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 03:21:41,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-10-14 03:21:41,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:41,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:41,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:41,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:41,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:41,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:41,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 03:21:41,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:41,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:41,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:41,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:41,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 03:21:41,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:41,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:41,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:41,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:41,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:21:41,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:41,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-14 03:21:41,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:41,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:41,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:41,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:21:41,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:21:41,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:41,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:21:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:41,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:41,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:41,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:21:41,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:41,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 03:21:41,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:41,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:41,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:41,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:21:41,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:41,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:41,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2020-10-14 03:21:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:41,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:41,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:41,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 03:21:41,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:41,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 03:21:41,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:41,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:41,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:41,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-14 03:21:41,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:41,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:42,128 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 96 proven. 171 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2020-10-14 03:21:42,130 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [45521117] [2020-10-14 03:21:42,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:42,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:21:42,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976330903] [2020-10-14 03:21:42,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:21:42,132 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:42,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:21:42,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:21:42,132 INFO L87 Difference]: Start difference. First operand 3340 states and 3628 transitions. Second operand 7 states. [2020-10-14 03:21:43,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:43,418 INFO L93 Difference]: Finished difference Result 7048 states and 7658 transitions. [2020-10-14 03:21:43,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:21:43,420 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 399 [2020-10-14 03:21:43,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:43,435 INFO L225 Difference]: With dead ends: 7048 [2020-10-14 03:21:43,436 INFO L226 Difference]: Without dead ends: 3714 [2020-10-14 03:21:43,444 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:21:43,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3714 states. [2020-10-14 03:21:43,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3714 to 3530. [2020-10-14 03:21:43,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3530 states. [2020-10-14 03:21:43,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3530 states to 3530 states and 3826 transitions. [2020-10-14 03:21:43,533 INFO L78 Accepts]: Start accepts. Automaton has 3530 states and 3826 transitions. Word has length 399 [2020-10-14 03:21:43,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:43,533 INFO L479 AbstractCegarLoop]: Abstraction has 3530 states and 3826 transitions. [2020-10-14 03:21:43,533 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:21:43,534 INFO L276 IsEmpty]: Start isEmpty. Operand 3530 states and 3826 transitions. [2020-10-14 03:21:43,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2020-10-14 03:21:43,542 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:43,543 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:21:43,543 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 03:21:43,543 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:43,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:43,544 INFO L82 PathProgramCache]: Analyzing trace with hash -2011766027, now seen corresponding path program 1 times [2020-10-14 03:21:43,544 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:43,544 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [643695853] [2020-10-14 03:21:43,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:43,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:43,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:43,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:45,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:48,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:48,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 524 [2020-10-14 03:21:48,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:21:48,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 03:21:48,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:48,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:48,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:48,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-14 03:21:48,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:21:48,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:48,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:48,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:48,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:48,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:48,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:48,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:21:48,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:48,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:48,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:48,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:48,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:48,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:48,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:48,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:48,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:48,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:21:48,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:48,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 03:21:48,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:48,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:48,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:48,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:48,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 03:21:48,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:48,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 03:21:48,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:48,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:48,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:48,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:21:48,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:48,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-14 03:21:48,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:48,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:48,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:48,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:21:48,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:21:48,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:49,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2020-10-14 03:21:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:49,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:49,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:49,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:21:49,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:49,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 03:21:49,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:49,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:49,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:49,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:21:49,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:49,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:49,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2020-10-14 03:21:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:49,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:49,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:49,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 03:21:49,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:49,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:21:49,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:49,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:49,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:49,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-14 03:21:49,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:49,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:49,346 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 242 proven. 177 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2020-10-14 03:21:49,346 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [643695853] [2020-10-14 03:21:49,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:49,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:21:49,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72901293] [2020-10-14 03:21:49,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:21:49,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:49,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:21:49,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:21:49,349 INFO L87 Difference]: Start difference. First operand 3530 states and 3826 transitions. Second operand 7 states. [2020-10-14 03:21:50,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:50,659 INFO L93 Difference]: Finished difference Result 7796 states and 8523 transitions. [2020-10-14 03:21:50,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:21:50,660 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 508 [2020-10-14 03:21:50,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:50,680 INFO L225 Difference]: With dead ends: 7796 [2020-10-14 03:21:50,680 INFO L226 Difference]: Without dead ends: 4456 [2020-10-14 03:21:50,690 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:21:50,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4456 states. [2020-10-14 03:21:50,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4456 to 4448. [2020-10-14 03:21:50,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4448 states. [2020-10-14 03:21:50,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4448 states to 4448 states and 4806 transitions. [2020-10-14 03:21:50,796 INFO L78 Accepts]: Start accepts. Automaton has 4448 states and 4806 transitions. Word has length 508 [2020-10-14 03:21:50,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:50,797 INFO L479 AbstractCegarLoop]: Abstraction has 4448 states and 4806 transitions. [2020-10-14 03:21:50,797 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:21:50,797 INFO L276 IsEmpty]: Start isEmpty. Operand 4448 states and 4806 transitions. [2020-10-14 03:21:50,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2020-10-14 03:21:50,808 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:50,809 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 03:21:50,809 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 03:21:50,810 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:50,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:50,810 INFO L82 PathProgramCache]: Analyzing trace with hash 255383890, now seen corresponding path program 1 times [2020-10-14 03:21:50,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:50,811 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [317761588] [2020-10-14 03:21:50,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:50,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:51,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:51,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:51,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:55,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:55,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 685 [2020-10-14 03:21:55,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:21:55,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 03:21:55,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:55,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:55,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:55,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-14 03:21:55,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 162 [2020-10-14 03:21:55,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:55,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:55,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:55,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:55,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:55,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:55,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:21:55,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:55,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:55,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:55,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:55,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:55,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:55,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:56,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:56,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:56,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:21:56,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:56,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 03:21:56,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:56,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:56,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:56,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:56,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 03:21:56,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:56,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 03:21:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:56,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:56,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:56,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 03:21:56,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:56,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-14 03:21:56,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:56,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:56,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:56,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:21:56,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-14 03:21:56,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:56,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2020-10-14 03:21:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:56,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:56,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:56,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:21:56,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:56,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 03:21:56,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:56,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:56,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:56,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 03:21:56,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:56,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:56,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2020-10-14 03:21:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:56,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:56,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:56,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:21:56,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:56,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 03:21:56,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:56,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:56,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:56,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:21:56,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:56,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:56,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2020-10-14 03:21:56,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:56,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:56,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:56,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 03:21:56,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:56,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 03:21:56,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:56,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:56,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:56,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-14 03:21:56,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:56,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:56,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1166 backedges. 278 proven. 333 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2020-10-14 03:21:56,658 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [317761588] [2020-10-14 03:21:56,658 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:56,658 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:21:56,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502274249] [2020-10-14 03:21:56,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:21:56,660 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:56,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:21:56,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:21:56,660 INFO L87 Difference]: Start difference. First operand 4448 states and 4806 transitions. Second operand 7 states. [2020-10-14 03:21:57,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:57,793 INFO L93 Difference]: Finished difference Result 9072 states and 9897 transitions. [2020-10-14 03:21:57,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 03:21:57,793 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 667 [2020-10-14 03:21:57,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:57,828 INFO L225 Difference]: With dead ends: 9072 [2020-10-14 03:21:57,829 INFO L226 Difference]: Without dead ends: 4814 [2020-10-14 03:21:57,838 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-10-14 03:21:57,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4814 states. [2020-10-14 03:21:57,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4814 to 4814. [2020-10-14 03:21:57,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4814 states. [2020-10-14 03:21:57,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4814 states to 4814 states and 5199 transitions. [2020-10-14 03:21:57,934 INFO L78 Accepts]: Start accepts. Automaton has 4814 states and 5199 transitions. Word has length 667 [2020-10-14 03:21:57,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:57,935 INFO L479 AbstractCegarLoop]: Abstraction has 4814 states and 5199 transitions. [2020-10-14 03:21:57,935 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:21:57,935 INFO L276 IsEmpty]: Start isEmpty. Operand 4814 states and 5199 transitions. [2020-10-14 03:21:57,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 820 [2020-10-14 03:21:57,951 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:57,953 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, 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, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 03:21:57,953 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 03:21:57,953 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:57,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:57,954 INFO L82 PathProgramCache]: Analyzing trace with hash 575313042, now seen corresponding path program 1 times [2020-10-14 03:21:57,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:57,954 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [408761274] [2020-10-14 03:21:57,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:58,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:58,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:58,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:58,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:59,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:03,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:03,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 839 [2020-10-14 03:22:03,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:22:03,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-14 03:22:03,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:03,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:03,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:03,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 434 [2020-10-14 03:22:03,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:22:03,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:03,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:03,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:03,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:03,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:03,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:03,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:22:03,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:03,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:03,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:03,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:03,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:03,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:03,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:03,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:03,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:03,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:22:03,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:03,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:22:03,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:03,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:03,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:03,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:03,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:03,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:03,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:22:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:03,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:03,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:03,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 03:22:03,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:03,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 03:22:03,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:03,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:03,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:03,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:03,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:03,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:03,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-14 03:22:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:03,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:03,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:03,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:22:03,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:03,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-14 03:22:03,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:03,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:03,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:03,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:03,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 172 [2020-10-14 03:22:03,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:03,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2020-10-14 03:22:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:03,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:03,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:03,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:22:03,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:03,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-14 03:22:03,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:03,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:03,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:03,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:03,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:22:03,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:03,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2020-10-14 03:22:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:03,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:03,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:03,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:22:03,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:03,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 03:22:03,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:03,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:03,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:03,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:22:03,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:03,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:03,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2020-10-14 03:22:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:03,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:03,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:03,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 03:22:03,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:03,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 03:22:03,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:03,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:03,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:03,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-14 03:22:03,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:03,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:03,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1775 backedges. 637 proven. 177 refuted. 0 times theorem prover too weak. 961 trivial. 0 not checked. [2020-10-14 03:22:03,966 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [408761274] [2020-10-14 03:22:03,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:03,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:22:03,967 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034671975] [2020-10-14 03:22:03,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:22:03,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:03,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:22:03,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:22:03,968 INFO L87 Difference]: Start difference. First operand 4814 states and 5199 transitions. Second operand 7 states. [2020-10-14 03:22:05,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:05,259 INFO L93 Difference]: Finished difference Result 10178 states and 11043 transitions. [2020-10-14 03:22:05,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:22:05,259 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 819 [2020-10-14 03:22:05,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:05,280 INFO L225 Difference]: With dead ends: 10178 [2020-10-14 03:22:05,281 INFO L226 Difference]: Without dead ends: 5554 [2020-10-14 03:22:05,294 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:22:05,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5554 states. [2020-10-14 03:22:05,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5554 to 5548. [2020-10-14 03:22:05,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5548 states. [2020-10-14 03:22:05,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5548 states to 5548 states and 5973 transitions. [2020-10-14 03:22:05,388 INFO L78 Accepts]: Start accepts. Automaton has 5548 states and 5973 transitions. Word has length 819 [2020-10-14 03:22:05,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:05,388 INFO L479 AbstractCegarLoop]: Abstraction has 5548 states and 5973 transitions. [2020-10-14 03:22:05,389 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:22:05,389 INFO L276 IsEmpty]: Start isEmpty. Operand 5548 states and 5973 transitions. [2020-10-14 03:22:05,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 895 [2020-10-14 03:22:05,404 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:05,406 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, 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, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2020-10-14 03:22:05,406 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 03:22:05,406 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:05,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:05,407 INFO L82 PathProgramCache]: Analyzing trace with hash 1559783709, now seen corresponding path program 1 times [2020-10-14 03:22:05,407 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:05,408 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1476536685] [2020-10-14 03:22:05,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:22:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:05,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:05,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:05,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:06,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:10,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:10,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 916 [2020-10-14 03:22:10,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:22:10,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5048 [2020-10-14 03:22:10,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:10,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:10,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:10,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-14 03:22:10,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:22:10,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:10,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:10,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:10,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:10,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:10,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:10,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:10,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:22:10,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:10,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:10,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:10,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:10,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:10,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:10,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:10,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:10,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:10,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:22:10,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:10,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 03:22:10,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:10,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:10,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:10,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:10,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:10,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:10,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:22:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:10,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:10,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:10,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:22:10,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:10,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:22:10,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:10,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:10,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:10,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:10,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:10,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:10,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:22:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:10,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:10,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:10,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:22:10,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:10,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 03:22:10,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:10,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:10,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:10,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:10,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:10,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:10,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:22:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:10,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:11,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:11,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 03:22:11,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:11,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-14 03:22:11,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:11,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:11,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:11,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:11,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 03:22:11,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:11,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 03:22:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:11,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:11,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:11,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:22:11,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:11,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-14 03:22:11,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:11,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:11,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:11,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:11,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:22:11,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:11,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2020-10-14 03:22:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:11,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:11,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:11,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:22:11,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:11,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 03:22:11,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:11,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:11,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:11,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:22:11,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:11,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:11,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 768 [2020-10-14 03:22:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:11,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:11,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:11,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 03:22:11,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:11,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 03:22:11,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:11,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:11,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:11,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-14 03:22:11,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:11,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:11,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2374 backedges. 754 proven. 177 refuted. 0 times theorem prover too weak. 1443 trivial. 0 not checked. [2020-10-14 03:22:11,715 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1476536685] [2020-10-14 03:22:11,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:11,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:22:11,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502071275] [2020-10-14 03:22:11,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:22:11,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:11,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:22:11,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:22:11,718 INFO L87 Difference]: Start difference. First operand 5548 states and 5973 transitions. Second operand 7 states. [2020-10-14 03:22:12,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:12,986 INFO L93 Difference]: Finished difference Result 11096 states and 11957 transitions. [2020-10-14 03:22:12,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:22:12,990 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 894 [2020-10-14 03:22:12,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:13,008 INFO L225 Difference]: With dead ends: 11096 [2020-10-14 03:22:13,008 INFO L226 Difference]: Without dead ends: 5738 [2020-10-14 03:22:13,019 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:22:13,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5738 states. [2020-10-14 03:22:13,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5738 to 5732. [2020-10-14 03:22:13,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5732 states. [2020-10-14 03:22:13,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5732 states to 5732 states and 6160 transitions. [2020-10-14 03:22:13,115 INFO L78 Accepts]: Start accepts. Automaton has 5732 states and 6160 transitions. Word has length 894 [2020-10-14 03:22:13,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:13,116 INFO L479 AbstractCegarLoop]: Abstraction has 5732 states and 6160 transitions. [2020-10-14 03:22:13,116 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:22:13,116 INFO L276 IsEmpty]: Start isEmpty. Operand 5732 states and 6160 transitions. [2020-10-14 03:22:13,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 896 [2020-10-14 03:22:13,130 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:13,130 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:22:13,131 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 03:22:13,131 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:13,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:13,131 INFO L82 PathProgramCache]: Analyzing trace with hash -1668979494, now seen corresponding path program 1 times [2020-10-14 03:22:13,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:13,133 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [331138270] [2020-10-14 03:22:13,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:22:13,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:13,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:13,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:13,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:13,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:13,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:18,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:18,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 917 [2020-10-14 03:22:18,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:22:18,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-14 03:22:18,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:18,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:18,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:18,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 255 [2020-10-14 03:22:18,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:22:18,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:18,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:18,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:18,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:18,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:18,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:18,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:18,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:22:18,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:18,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:18,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:18,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:18,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:18,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:18,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:18,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:18,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:18,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:22:18,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:18,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 03:22:18,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:18,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:18,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:18,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:18,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:18,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:18,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:22:18,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:18,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:18,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:18,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 03:22:18,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:18,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-14 03:22:18,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:18,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:18,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:18,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:18,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 03:22:18,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:18,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-14 03:22:18,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:18,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:18,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:18,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:22:18,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:18,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-14 03:22:18,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:18,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:18,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:18,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:18,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 03:22:18,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:18,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2020-10-14 03:22:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:18,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:18,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:18,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:22:18,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:18,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:22:18,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:18,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:18,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:18,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 03:22:18,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:18,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:18,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-10-14 03:22:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:18,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:18,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:18,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:22:18,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:18,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 03:22:18,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:18,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:18,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:18,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 03:22:18,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:18,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:19,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2020-10-14 03:22:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:19,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:19,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:19,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:22:19,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:19,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 03:22:19,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:19,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:19,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:19,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:22:19,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:19,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:19,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 769 [2020-10-14 03:22:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:19,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:19,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:19,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 03:22:19,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:19,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 03:22:19,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:19,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:19,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:19,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-14 03:22:19,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:19,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:19,676 INFO L134 CoverageAnalysis]: Checked inductivity of 2263 backedges. 498 proven. 424 refuted. 0 times theorem prover too weak. 1341 trivial. 0 not checked. [2020-10-14 03:22:19,676 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [331138270] [2020-10-14 03:22:19,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:19,676 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 03:22:19,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068403873] [2020-10-14 03:22:19,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 03:22:19,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:19,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 03:22:19,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:22:19,678 INFO L87 Difference]: Start difference. First operand 5732 states and 6160 transitions. Second operand 8 states. [2020-10-14 03:22:21,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:21,672 INFO L93 Difference]: Finished difference Result 11458 states and 12334 transitions. [2020-10-14 03:22:21,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 03:22:21,674 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 895 [2020-10-14 03:22:21,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:21,691 INFO L225 Difference]: With dead ends: 11458 [2020-10-14 03:22:21,692 INFO L226 Difference]: Without dead ends: 5730 [2020-10-14 03:22:21,704 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-10-14 03:22:21,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5730 states. [2020-10-14 03:22:21,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5730 to 5366. [2020-10-14 03:22:21,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5366 states. [2020-10-14 03:22:21,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5366 states to 5366 states and 5740 transitions. [2020-10-14 03:22:21,800 INFO L78 Accepts]: Start accepts. Automaton has 5366 states and 5740 transitions. Word has length 895 [2020-10-14 03:22:21,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:21,801 INFO L479 AbstractCegarLoop]: Abstraction has 5366 states and 5740 transitions. [2020-10-14 03:22:21,801 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 03:22:21,801 INFO L276 IsEmpty]: Start isEmpty. Operand 5366 states and 5740 transitions. [2020-10-14 03:22:21,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 982 [2020-10-14 03:22:21,818 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:21,819 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, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 03:22:21,819 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 03:22:21,819 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:21,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:21,820 INFO L82 PathProgramCache]: Analyzing trace with hash -932711714, now seen corresponding path program 1 times [2020-10-14 03:22:21,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:21,821 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [584282420] [2020-10-14 03:22:21,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:22:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:22,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:22,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:22,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:23,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:27,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:27,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1005 [2020-10-14 03:22:27,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:22:27,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5061 [2020-10-14 03:22:27,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:27,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:27,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:27,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 343 [2020-10-14 03:22:27,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:22:27,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:27,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:27,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:27,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:27,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:27,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:27,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:22:27,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:27,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:27,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:27,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:27,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:27,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:27,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:27,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:27,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:27,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:22:27,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:27,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:22:27,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:27,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:27,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:27,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:27,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:27,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:27,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:22:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:27,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:27,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:27,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:22:27,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:27,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:22:27,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:27,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:27,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:27,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:27,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:27,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:27,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:22:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:27,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:27,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:27,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:22:27,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:27,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 03:22:27,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:27,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:27,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:27,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:27,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-14 03:22:27,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:27,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-10-14 03:22:27,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:27,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:27,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:27,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:22:27,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:27,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-14 03:22:27,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:27,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:27,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:27,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:27,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 03:22:27,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:27,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2020-10-14 03:22:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:27,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:27,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:27,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:22:27,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:27,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:22:27,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:27,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:27,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:27,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 03:22:27,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:27,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:27,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2020-10-14 03:22:27,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:27,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:27,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:27,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:22:27,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:27,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 03:22:27,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:27,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:27,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:27,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 03:22:27,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:27,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:27,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 769 [2020-10-14 03:22:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:27,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:27,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:27,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:22:27,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:27,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 03:22:27,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:27,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:27,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:27,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:22:27,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:27,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:27,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 855 [2020-10-14 03:22:27,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:27,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:27,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:27,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 03:22:27,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:27,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:22:27,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:27,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:27,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:27,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-14 03:22:27,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:27,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:28,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2942 backedges. 634 proven. 424 refuted. 0 times theorem prover too weak. 1884 trivial. 0 not checked. [2020-10-14 03:22:28,173 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [584282420] [2020-10-14 03:22:28,173 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:28,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:22:28,173 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402080117] [2020-10-14 03:22:28,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:22:28,175 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:28,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:22:28,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:22:28,175 INFO L87 Difference]: Start difference. First operand 5366 states and 5740 transitions. Second operand 7 states. [2020-10-14 03:22:29,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:29,537 INFO L93 Difference]: Finished difference Result 10912 states and 11684 transitions. [2020-10-14 03:22:29,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:22:29,538 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 981 [2020-10-14 03:22:29,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:29,552 INFO L225 Difference]: With dead ends: 10912 [2020-10-14 03:22:29,552 INFO L226 Difference]: Without dead ends: 5736 [2020-10-14 03:22:29,562 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:22:29,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5736 states. [2020-10-14 03:22:29,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5736 to 5368. [2020-10-14 03:22:29,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5368 states. [2020-10-14 03:22:29,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5368 states to 5368 states and 5735 transitions. [2020-10-14 03:22:29,643 INFO L78 Accepts]: Start accepts. Automaton has 5368 states and 5735 transitions. Word has length 981 [2020-10-14 03:22:29,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:29,643 INFO L479 AbstractCegarLoop]: Abstraction has 5368 states and 5735 transitions. [2020-10-14 03:22:29,644 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:22:29,644 INFO L276 IsEmpty]: Start isEmpty. Operand 5368 states and 5735 transitions. [2020-10-14 03:22:29,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1068 [2020-10-14 03:22:29,660 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:29,660 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, 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, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:22:29,661 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 03:22:29,661 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:29,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:29,661 INFO L82 PathProgramCache]: Analyzing trace with hash -2049742106, now seen corresponding path program 1 times [2020-10-14 03:22:29,662 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:29,662 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [513249456] [2020-10-14 03:22:29,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:22:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:30,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:30,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:33,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:33,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:34,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:34,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1091 [2020-10-14 03:22:34,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:22:34,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-10-14 03:22:34,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:34,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:34,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:34,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 686 [2020-10-14 03:22:34,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:22:34,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:35,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:35,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:35,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:35,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:35,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:35,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:35,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:22:35,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:35,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:35,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:35,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:35,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:35,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:22:35,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:35,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:35,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:35,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:35,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:22:35,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:35,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:22:35,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:35,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:35,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:35,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:35,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:35,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:22:35,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:22:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:35,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:35,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:35,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:22:35,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:35,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:22:35,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:35,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:35,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:35,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:35,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:35,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:35,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:22:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:35,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:35,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:35,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:22:35,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:35,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 03:22:35,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:35,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:35,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:35,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:35,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:35,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:35,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:22:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:35,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:35,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:35,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 03:22:35,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:35,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 03:22:35,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:35,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:35,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:35,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:35,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:35,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:35,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 03:22:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:35,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:35,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:35,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-14 03:22:35,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:35,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-14 03:22:35,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:35,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:35,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:35,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:35,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 168 [2020-10-14 03:22:35,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:35,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2020-10-14 03:22:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:35,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:35,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:35,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:22:35,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:35,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183 [2020-10-14 03:22:35,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:35,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:35,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:35,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:35,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:22:35,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:35,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 855 [2020-10-14 03:22:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:35,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:35,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:35,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:22:35,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:35,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 03:22:35,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:35,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:35,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:35,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:22:35,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:35,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:35,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 941 [2020-10-14 03:22:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:35,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:35,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:35,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 03:22:35,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:35,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:22:35,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:35,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:35,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:35,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-14 03:22:35,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:35,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:36,311 INFO L134 CoverageAnalysis]: Checked inductivity of 3255 backedges. 969 proven. 177 refuted. 0 times theorem prover too weak. 2109 trivial. 0 not checked. [2020-10-14 03:22:36,311 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [513249456] [2020-10-14 03:22:36,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:36,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 03:22:36,312 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129031966] [2020-10-14 03:22:36,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 03:22:36,313 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:36,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 03:22:36,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:22:36,313 INFO L87 Difference]: Start difference. First operand 5368 states and 5735 transitions. Second operand 8 states. [2020-10-14 03:22:38,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:38,299 INFO L93 Difference]: Finished difference Result 10550 states and 11281 transitions. [2020-10-14 03:22:38,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 03:22:38,304 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1067 [2020-10-14 03:22:38,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:38,306 INFO L225 Difference]: With dead ends: 10550 [2020-10-14 03:22:38,306 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 03:22:38,325 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-14 03:22:38,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 03:22:38,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 03:22:38,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 03:22:38,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 03:22:38,328 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1067 [2020-10-14 03:22:38,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:38,329 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 03:22:38,329 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 03:22:38,329 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 03:22:38,329 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 03:22:38,329 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 03:22:38,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 03:22:39,177 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 102 [2020-10-14 03:22:39,512 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 102 [2020-10-14 03:22:40,185 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 43 [2020-10-14 03:22:40,351 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 32 [2020-10-14 03:22:40,494 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 32 [2020-10-14 03:22:40,498 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 03:22:40,500 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-10-14 03:22:40,500 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 03:22:40,500 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-14 03:22:40,501 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-14 03:22:40,501 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,501 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,502 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,502 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-14 03:22:40,502 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 03:22:40,502 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 03:22:40,502 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 03:22:40,502 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-14 03:22:40,502 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-14 03:22:40,502 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-14 03:22:40,503 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-14 03:22:40,503 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,503 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,503 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,503 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-14 03:22:40,503 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-14 03:22:40,503 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 03:22:40,503 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 03:22:40,504 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 03:22:40,504 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-14 03:22:40,504 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-14 03:22:40,504 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-14 03:22:40,504 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,505 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,505 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,505 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-14 03:22:40,505 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 03:22:40,505 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 03:22:40,505 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 03:22:40,505 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-14 03:22:40,506 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-14 03:22:40,506 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-14 03:22:40,506 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-14 03:22:40,506 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-14 03:22:40,507 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,508 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,508 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,508 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-14 03:22:40,508 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 03:22:40,508 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 03:22:40,508 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 03:22:40,508 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-14 03:22:40,508 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-14 03:22:40,509 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-14 03:22:40,509 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,509 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,509 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,509 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-14 03:22:40,509 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 03:22:40,509 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 03:22:40,509 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 03:22:40,509 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-14 03:22:40,509 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-14 03:22:40,510 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-14 03:22:40,510 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-14 03:22:40,510 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-14 03:22:40,510 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,510 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,510 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,510 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,510 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-14 03:22:40,510 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 03:22:40,511 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 03:22:40,512 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 03:22:40,512 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-14 03:22:40,512 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-14 03:22:40,512 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-14 03:22:40,512 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-14 03:22:40,512 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,512 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,513 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,513 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 03:22:40,513 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 03:22:40,513 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 03:22:40,513 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-14 03:22:40,513 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-14 03:22:40,513 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-14 03:22:40,513 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-14 03:22:40,513 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-14 03:22:40,514 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,514 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,514 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,514 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-14 03:22:40,514 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-14 03:22:40,514 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 03:22:40,514 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 03:22:40,514 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 03:22:40,514 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-14 03:22:40,515 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse0 (= ~a24~0 |old(~a24~0)|)) (.cse1 (= ~a21~0 |old(~a21~0)|)) (.cse2 (= ~a12~0 |old(~a12~0)|))) (let ((.cse3 (and .cse0 .cse1 .cse2 (= ~a15~0 |old(~a15~0)|)))) (and (or (not (<= |old(~a24~0)| 1)) (and (= 5 ~a15~0) .cse0 .cse1 .cse2) (not (= 5 |old(~a15~0)|))) (or .cse3 (not (<= 12 |old(~a12~0)|))) (or .cse3 (= 9 |old(~a21~0)|)) (or (not (= 6 |old(~a15~0)|)) .cse3) (or (not (= 8 |old(~a15~0)|)) (and .cse0 .cse1 (= ~a15~0 8) .cse2))))) [2020-10-14 03:22:40,515 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-14 03:22:40,515 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-14 03:22:40,515 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,515 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,515 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,515 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 03:22:40,515 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 03:22:40,516 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 03:22:40,516 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-14 03:22:40,516 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-14 03:22:40,517 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-14 03:22:40,517 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-14 03:22:40,517 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-14 03:22:40,517 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,517 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,517 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,517 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-14 03:22:40,517 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-14 03:22:40,518 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 03:22:40,518 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 03:22:40,518 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 03:22:40,518 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-14 03:22:40,518 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-14 03:22:40,518 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-14 03:22:40,518 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,518 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,518 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,519 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-14 03:22:40,519 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 03:22:40,519 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 03:22:40,519 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 03:22:40,519 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-14 03:22:40,519 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-14 03:22:40,519 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-14 03:22:40,519 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-14 03:22:40,519 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,520 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,520 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,520 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-14 03:22:40,520 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 03:22:40,520 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 03:22:40,520 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 03:22:40,520 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-14 03:22:40,520 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-14 03:22:40,520 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-14 03:22:40,521 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-14 03:22:40,521 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,521 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,521 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-14 03:22:40,521 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 03:22:40,521 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 03:22:40,521 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-14 03:22:40,521 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-14 03:22:40,521 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-14 03:22:40,521 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-14 03:22:40,522 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-14 03:22:40,522 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 103) no Hoare annotation was computed. [2020-10-14 03:22:40,522 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,522 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,522 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-14 03:22:40,522 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 03:22:40,522 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 03:22:40,522 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-14 03:22:40,523 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-14 03:22:40,523 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-14 03:22:40,523 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,523 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,523 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-14 03:22:40,523 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-14 03:22:40,523 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 03:22:40,523 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 03:22:40,523 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-14 03:22:40,524 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-14 03:22:40,524 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-14 03:22:40,524 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-14 03:22:40,524 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,524 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,524 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-14 03:22:40,524 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-14 03:22:40,524 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 03:22:40,524 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 03:22:40,525 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-14 03:22:40,525 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-14 03:22:40,525 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-14 03:22:40,525 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,525 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,525 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,525 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-14 03:22:40,525 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-14 03:22:40,525 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 03:22:40,525 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 03:22:40,526 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-14 03:22:40,526 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-14 03:22:40,526 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,526 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,526 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 03:22:40,526 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,526 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-14 03:22:40,526 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-14 03:22:40,526 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-14 03:22:40,526 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 03:22:40,526 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 03:22:40,527 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 03:22:40,527 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-14 03:22:40,527 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-14 03:22:40,527 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-14 03:22:40,527 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-14 03:22:40,527 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,527 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,527 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,527 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-14 03:22:40,527 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 03:22:40,528 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 03:22:40,528 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 03:22:40,528 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-14 03:22:40,528 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-14 03:22:40,528 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-14 03:22:40,528 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-14 03:22:40,528 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,528 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,529 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,529 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-14 03:22:40,529 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-14 03:22:40,529 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 03:22:40,529 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 03:22:40,529 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 03:22:40,529 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-14 03:22:40,529 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-14 03:22:40,529 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-14 03:22:40,530 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,530 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,530 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,530 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-14 03:22:40,530 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 03:22:40,530 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 03:22:40,530 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 03:22:40,530 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-14 03:22:40,531 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-14 03:22:40,531 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-14 03:22:40,531 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-14 03:22:40,531 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-14 03:22:40,531 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,531 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,531 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:22:40,531 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-14 03:22:40,531 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 03:22:40,532 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 03:22:40,532 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 03:22:40,532 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-14 03:22:40,532 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 03:22:40,532 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= (+ ~a12~0 49) 0) (= ~a15~0 8) (= 7 ~a21~0)) [2020-10-14 03:22:40,533 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 03:22:40,533 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 03:22:40,533 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (and (= ~a24~0 |old(~a24~0)|) (= ~a15~0 8) (= ~a12~0 |old(~a12~0)|) (= 7 ~a21~0)) (not (= 8 |old(~a15~0)|)) (not (<= (+ |old(~a12~0)| 49) 0))) [2020-10-14 03:22:40,534 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-14 03:22:40,534 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (<= 12 ~a12~0) (= ~a15~0 8) (not (= 8 |old(~a15~0)|)) (not (= ~a21~0 9)) (= ~a15~0 6) (not (<= (+ |old(~a12~0)| 49) 0)) (and (= 5 ~a15~0) (<= ~a24~0 1))) [2020-10-14 03:22:40,534 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-14 03:22:40,534 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-14 03:22:40,535 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (<= 12 ~a12~0) (= ~a15~0 8) (not (= 8 |old(~a15~0)|)) (not (= ~a21~0 9)) (= ~a15~0 6) (not (<= (+ |old(~a12~0)| 49) 0)) (and (= 5 ~a15~0) (<= ~a24~0 1))) [2020-10-14 03:22:40,535 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-14 03:22:40,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 03:22:40 BoogieIcfgContainer [2020-10-14 03:22:40,560 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 03:22:40,569 INFO L168 Benchmark]: Toolchain (without parser) took 118050.84 ms. Allocated memory was 144.7 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 98.9 MB in the beginning and 1.1 GB in the end (delta: -952.2 MB). Peak memory consumption was 855.6 MB. Max. memory is 7.1 GB. [2020-10-14 03:22:40,572 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 144.7 MB. Free memory was 119.3 MB in the beginning and 118.8 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-14 03:22:40,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 960.36 ms. Allocated memory was 144.7 MB in the beginning and 206.0 MB in the end (delta: 61.3 MB). Free memory was 98.5 MB in the beginning and 168.6 MB in the end (delta: -70.1 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. [2020-10-14 03:22:40,577 INFO L168 Benchmark]: Boogie Preprocessor took 150.11 ms. Allocated memory is still 206.0 MB. Free memory was 168.6 MB in the beginning and 162.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. [2020-10-14 03:22:40,580 INFO L168 Benchmark]: RCFGBuilder took 1486.95 ms. Allocated memory was 206.0 MB in the beginning and 235.9 MB in the end (delta: 29.9 MB). Free memory was 162.2 MB in the beginning and 157.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2020-10-14 03:22:40,581 INFO L168 Benchmark]: TraceAbstraction took 115447.54 ms. Allocated memory was 235.9 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 157.1 MB in the beginning and 1.1 GB in the end (delta: -894.0 MB). Peak memory consumption was 822.5 MB. Max. memory is 7.1 GB. [2020-10-14 03:22:40,588 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 144.7 MB. Free memory was 119.3 MB in the beginning and 118.8 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 960.36 ms. Allocated memory was 144.7 MB in the beginning and 206.0 MB in the end (delta: 61.3 MB). Free memory was 98.5 MB in the beginning and 168.6 MB in the end (delta: -70.1 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 150.11 ms. Allocated memory is still 206.0 MB. Free memory was 168.6 MB in the beginning and 162.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1486.95 ms. Allocated memory was 206.0 MB in the beginning and 235.9 MB in the end (delta: 29.9 MB). Free memory was 162.2 MB in the beginning and 157.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 115447.54 ms. Allocated memory was 235.9 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 157.1 MB in the beginning and 1.1 GB in the end (delta: -894.0 MB). Peak memory consumption was 822.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 103]: 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: 880]: Loop Invariant Derived loop invariant: ((((((!(7 == \old(a21)) || 12 <= a12) || a15 == 8) || !(8 == \old(a15))) || !(a21 == 9)) || a15 == 6) || !(\old(a12) + 49 <= 0)) || (5 == a15 && a24 <= 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 113.1s, OverallIterations: 17, TraceHistogramMax: 9, AutomataDifference: 26.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 482 SDtfs, 9289 SDslu, 639 SDs, 0 SdLazy, 17087 SolverSat, 1305 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 338 GetRequests, 208 SyntacticMatches, 4 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5732occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 1810 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 298 PreInvPairs, 366 NumberOfFragments, 236 HoareAnnotationTreeSize, 298 FomulaSimplifications, 564668 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3238 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 80.8s InterpolantComputationTime, 8578 NumberOfCodeBlocks, 8578 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 8561 ConstructedInterpolants, 0 QuantifiedInterpolants, 10031375 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 1 PerfectInterpolantSequences, 14110/16185 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...