/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/Problem11_label27.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 02:35:22,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 02:35:22,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 02:35:22,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 02:35:22,587 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 02:35:22,588 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 02:35:22,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 02:35:22,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 02:35:22,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 02:35:22,594 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 02:35:22,595 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 02:35:22,596 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 02:35:22,597 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 02:35:22,598 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 02:35:22,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 02:35:22,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 02:35:22,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 02:35:22,602 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 02:35:22,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 02:35:22,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 02:35:22,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 02:35:22,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 02:35:22,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 02:35:22,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 02:35:22,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 02:35:22,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 02:35:22,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 02:35:22,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 02:35:22,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 02:35:22,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 02:35:22,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 02:35:22,618 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 02:35:22,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 02:35:22,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 02:35:22,620 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 02:35:22,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 02:35:22,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 02:35:22,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 02:35:22,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 02:35:22,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 02:35:22,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 02:35:22,625 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 02:35:22,650 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 02:35:22,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 02:35:22,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 02:35:22,652 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 02:35:22,652 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 02:35:22,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 02:35:22,652 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 02:35:22,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 02:35:22,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 02:35:22,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 02:35:22,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 02:35:22,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 02:35:22,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 02:35:22,654 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 02:35:22,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 02:35:22,654 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 02:35:22,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 02:35:22,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 02:35:22,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 02:35:22,655 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 02:35:22,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 02:35:22,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 02:35:22,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 02:35:22,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 02:35:22,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 02:35:22,656 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 02:35:22,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 02:35:22,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 02:35:22,656 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 02:35:22,657 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 02:35:23,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 02:35:23,016 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 02:35:23,019 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 02:35:23,021 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 02:35:23,021 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 02:35:23,022 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label27.c [2020-10-14 02:35:23,086 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a8e1ca623/27ae183d20c04a5a893d074bdfe909f3/FLAG7e5515c01 [2020-10-14 02:35:23,707 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 02:35:23,708 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label27.c [2020-10-14 02:35:23,729 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a8e1ca623/27ae183d20c04a5a893d074bdfe909f3/FLAG7e5515c01 [2020-10-14 02:35:23,935 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a8e1ca623/27ae183d20c04a5a893d074bdfe909f3 [2020-10-14 02:35:23,944 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 02:35:23,946 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 02:35:23,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 02:35:23,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 02:35:23,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 02:35:23,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:35:23" (1/1) ... [2020-10-14 02:35:23,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fb66ff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:35:23, skipping insertion in model container [2020-10-14 02:35:23,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:35:23" (1/1) ... [2020-10-14 02:35:23,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 02:35:24,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 02:35:24,817 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 02:35:24,822 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 02:35:25,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 02:35:25,148 INFO L208 MainTranslator]: Completed translation [2020-10-14 02:35:25,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:35:25 WrapperNode [2020-10-14 02:35:25,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 02:35:25,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 02:35:25,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 02:35:25,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 02:35:25,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:35:25" (1/1) ... [2020-10-14 02:35:25,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:35:25" (1/1) ... [2020-10-14 02:35:25,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:35:25" (1/1) ... [2020-10-14 02:35:25,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:35:25" (1/1) ... [2020-10-14 02:35:25,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:35:25" (1/1) ... [2020-10-14 02:35:25,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:35:25" (1/1) ... [2020-10-14 02:35:25,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:35:25" (1/1) ... [2020-10-14 02:35:25,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 02:35:25,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 02:35:25,407 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 02:35:25,407 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 02:35:25,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:35:25" (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 02:35:25,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 02:35:25,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 02:35:25,491 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 02:35:25,491 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 02:35:25,491 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 02:35:25,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 02:35:25,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 02:35:25,493 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 02:35:25,493 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 02:35:25,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 02:35:25,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 02:35:27,380 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 02:35:27,381 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 02:35:27,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:35:27 BoogieIcfgContainer [2020-10-14 02:35:27,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 02:35:27,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 02:35:27,390 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 02:35:27,393 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 02:35:27,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 02:35:23" (1/3) ... [2020-10-14 02:35:27,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd8f123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:35:27, skipping insertion in model container [2020-10-14 02:35:27,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:35:25" (2/3) ... [2020-10-14 02:35:27,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd8f123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:35:27, skipping insertion in model container [2020-10-14 02:35:27,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:35:27" (3/3) ... [2020-10-14 02:35:27,398 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label27.c [2020-10-14 02:35:27,410 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 02:35:27,421 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 02:35:27,438 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 02:35:27,468 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 02:35:27,468 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 02:35:27,468 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 02:35:27,468 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 02:35:27,469 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 02:35:27,469 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 02:35:27,469 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 02:35:27,469 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 02:35:27,497 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-14 02:35:27,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-14 02:35:27,507 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:35:27,509 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:35:27,509 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:35:27,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:35:27,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1647483275, now seen corresponding path program 1 times [2020-10-14 02:35:27,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:35:27,527 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [287975114] [2020-10-14 02:35:27,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:35:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:35:27,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:28,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:28,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-14 02:35:28,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:35:28,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 427 [2020-10-14 02:35:28,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:28,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:28,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 02:35:28,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 02:35:28,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-14 02:35:28,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 02:35:28,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:35:28,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:35:28,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:28,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:28,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:35:28,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:35:28,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 02:35:28,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:28,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:28,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:35:28,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:35:28,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 02:35:28,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:35:28,406 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 02:35:28,408 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [287975114] [2020-10-14 02:35:28,411 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 02:35:28,411 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 02:35:28,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057538565] [2020-10-14 02:35:28,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 02:35:28,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:35:28,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 02:35:28,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 02:35:28,441 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2020-10-14 02:35:30,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:35:30,690 INFO L93 Difference]: Finished difference Result 795 states and 1396 transitions. [2020-10-14 02:35:30,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:35:30,693 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2020-10-14 02:35:30,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:35:30,712 INFO L225 Difference]: With dead ends: 795 [2020-10-14 02:35:30,713 INFO L226 Difference]: Without dead ends: 439 [2020-10-14 02:35:30,722 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:35:30,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-10-14 02:35:30,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 427. [2020-10-14 02:35:30,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2020-10-14 02:35:30,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 626 transitions. [2020-10-14 02:35:30,805 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 626 transitions. Word has length 48 [2020-10-14 02:35:30,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:35:30,805 INFO L479 AbstractCegarLoop]: Abstraction has 427 states and 626 transitions. [2020-10-14 02:35:30,806 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 02:35:30,806 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 626 transitions. [2020-10-14 02:35:30,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-14 02:35:30,811 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:35:30,811 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:35:30,812 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 02:35:30,812 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:35:30,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:35:30,812 INFO L82 PathProgramCache]: Analyzing trace with hash -931227410, now seen corresponding path program 1 times [2020-10-14 02:35:30,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:35:30,813 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [87553373] [2020-10-14 02:35:30,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:35:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:35:30,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:31,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:32,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:32,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 02:35:32,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:35:32,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1415 [2020-10-14 02:35:32,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:32,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:32,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:35:32,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 02:35:32,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-14 02:35:32,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 02:35:32,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:35:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:35:32,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:32,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:32,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:35:32,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:35:32,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 02:35:32,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:32,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:32,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:35:32,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:35:32,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:35:32,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:35:32,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:35:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:35:32,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:32,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:32,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 02:35:32,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:35:32,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-14 02:35:32,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:32,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:32,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:35:32,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:35:32,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 02:35:32,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-10-14 02:35:32,613 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:35:32,613 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [87553373] [2020-10-14 02:35:32,614 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:35:32,614 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:35:32,614 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152497096] [2020-10-14 02:35:32,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:35:32,617 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:35:32,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:35:32,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:35:32,618 INFO L87 Difference]: Start difference. First operand 427 states and 626 transitions. Second operand 5 states. [2020-10-14 02:35:34,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:35:34,833 INFO L93 Difference]: Finished difference Result 1050 states and 1587 transitions. [2020-10-14 02:35:34,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:35:34,835 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 118 [2020-10-14 02:35:34,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:35:34,840 INFO L225 Difference]: With dead ends: 1050 [2020-10-14 02:35:34,841 INFO L226 Difference]: Without dead ends: 629 [2020-10-14 02:35:34,843 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 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 02:35:34,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2020-10-14 02:35:34,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 618. [2020-10-14 02:35:34,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 618 states. [2020-10-14 02:35:34,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 874 transitions. [2020-10-14 02:35:34,882 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 874 transitions. Word has length 118 [2020-10-14 02:35:34,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:35:34,883 INFO L479 AbstractCegarLoop]: Abstraction has 618 states and 874 transitions. [2020-10-14 02:35:34,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:35:34,883 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 874 transitions. [2020-10-14 02:35:34,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-14 02:35:34,886 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:35:34,886 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:35:34,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 02:35:34,886 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:35:34,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:35:34,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1062949639, now seen corresponding path program 1 times [2020-10-14 02:35:34,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:35:34,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1635966068] [2020-10-14 02:35:34,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:35:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:35:34,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:35,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:36,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:36,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-14 02:35:36,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:35:36,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1296 [2020-10-14 02:35:36,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:36,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:36,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:35:36,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-14 02:35:36,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-14 02:35:36,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:35:36,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:35:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:35:36,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:36,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:36,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:35:36,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:35:36,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 02:35:36,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:36,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:36,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:35:36,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:35:36,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:35:36,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:35:36,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:35:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:35:36,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:36,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:36,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 02:35:36,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:35:36,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-14 02:35:36,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:36,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:36,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:35:36,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:35:36,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-14 02:35:36,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:35:36,553 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:35:36,554 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1635966068] [2020-10-14 02:35:36,554 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:35:36,554 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:35:36,555 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683953061] [2020-10-14 02:35:36,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:35:36,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:35:36,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:35:36,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:35:36,556 INFO L87 Difference]: Start difference. First operand 618 states and 874 transitions. Second operand 5 states. [2020-10-14 02:35:38,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:35:38,658 INFO L93 Difference]: Finished difference Result 1817 states and 2608 transitions. [2020-10-14 02:35:38,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:35:38,659 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 123 [2020-10-14 02:35:38,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:35:38,668 INFO L225 Difference]: With dead ends: 1817 [2020-10-14 02:35:38,669 INFO L226 Difference]: Without dead ends: 1205 [2020-10-14 02:35:38,671 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 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 02:35:38,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1205 states. [2020-10-14 02:35:38,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1205 to 1197. [2020-10-14 02:35:38,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1197 states. [2020-10-14 02:35:38,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1573 transitions. [2020-10-14 02:35:38,740 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1573 transitions. Word has length 123 [2020-10-14 02:35:38,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:35:38,741 INFO L479 AbstractCegarLoop]: Abstraction has 1197 states and 1573 transitions. [2020-10-14 02:35:38,742 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:35:38,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1573 transitions. [2020-10-14 02:35:38,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-14 02:35:38,755 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:35:38,755 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:35:38,756 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 02:35:38,758 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:35:38,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:35:38,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1426082667, now seen corresponding path program 1 times [2020-10-14 02:35:38,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:35:38,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [200478267] [2020-10-14 02:35:38,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:35:38,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:35:38,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:38,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:39,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:40,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:40,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-14 02:35:40,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:35:40,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1462 [2020-10-14 02:35:40,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:40,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:40,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:35:40,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-14 02:35:40,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-14 02:35:40,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:35:40,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:35:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:35:40,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:40,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:40,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:35:40,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:35:40,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:35:40,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:40,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:40,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:35:40,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:35:40,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:35:40,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:35:40,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:35:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:35:40,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:40,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:40,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 02:35:40,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:35:40,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-14 02:35:40,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:40,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:40,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:35:40,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:35:40,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-14 02:35:40,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:35:40,489 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:35:40,489 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [200478267] [2020-10-14 02:35:40,490 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:35:40,490 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:35:40,490 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615237087] [2020-10-14 02:35:40,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:35:40,491 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:35:40,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:35:40,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:35:40,492 INFO L87 Difference]: Start difference. First operand 1197 states and 1573 transitions. Second operand 5 states. [2020-10-14 02:35:42,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:35:42,850 INFO L93 Difference]: Finished difference Result 2794 states and 3770 transitions. [2020-10-14 02:35:42,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:35:42,858 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2020-10-14 02:35:42,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:35:42,866 INFO L225 Difference]: With dead ends: 2794 [2020-10-14 02:35:42,866 INFO L226 Difference]: Without dead ends: 1603 [2020-10-14 02:35:42,869 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 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 02:35:42,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1603 states. [2020-10-14 02:35:42,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1603 to 1581. [2020-10-14 02:35:42,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1581 states. [2020-10-14 02:35:42,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1581 states and 2059 transitions. [2020-10-14 02:35:42,921 INFO L78 Accepts]: Start accepts. Automaton has 1581 states and 2059 transitions. Word has length 125 [2020-10-14 02:35:42,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:35:42,922 INFO L479 AbstractCegarLoop]: Abstraction has 1581 states and 2059 transitions. [2020-10-14 02:35:42,922 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:35:42,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 2059 transitions. [2020-10-14 02:35:42,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-14 02:35:42,925 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:35:42,926 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:35:42,926 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 02:35:42,926 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:35:42,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:35:42,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1033520279, now seen corresponding path program 1 times [2020-10-14 02:35:42,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:35:42,927 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1747950904] [2020-10-14 02:35:42,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:35:42,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:35:42,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:43,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:43,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:43,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:43,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 02:35:43,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:35:43,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-10-14 02:35:43,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:43,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:43,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:35:43,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-14 02:35:43,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-14 02:35:43,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:35:44,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:35:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:35:44,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:44,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:44,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:35:44,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:35:44,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:35:44,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:44,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:44,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:35:44,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:35:44,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:35:44,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:35:44,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:35:44,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:35:44,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:44,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:44,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 02:35:44,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:35:44,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-14 02:35:44,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:44,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:44,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:35:44,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:35:44,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 02:35:44,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:35:44,205 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:35:44,205 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1747950904] [2020-10-14 02:35:44,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:35:44,206 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:35:44,206 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842910959] [2020-10-14 02:35:44,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:35:44,211 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:35:44,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:35:44,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:35:44,212 INFO L87 Difference]: Start difference. First operand 1581 states and 2059 transitions. Second operand 5 states. [2020-10-14 02:35:46,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:35:46,436 INFO L93 Difference]: Finished difference Result 3928 states and 5268 transitions. [2020-10-14 02:35:46,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:35:46,437 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 131 [2020-10-14 02:35:46,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:35:46,453 INFO L225 Difference]: With dead ends: 3928 [2020-10-14 02:35:46,453 INFO L226 Difference]: Without dead ends: 2353 [2020-10-14 02:35:46,458 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 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 02:35:46,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2353 states. [2020-10-14 02:35:46,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2353 to 2341. [2020-10-14 02:35:46,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2341 states. [2020-10-14 02:35:46,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2341 states to 2341 states and 3010 transitions. [2020-10-14 02:35:46,528 INFO L78 Accepts]: Start accepts. Automaton has 2341 states and 3010 transitions. Word has length 131 [2020-10-14 02:35:46,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:35:46,528 INFO L479 AbstractCegarLoop]: Abstraction has 2341 states and 3010 transitions. [2020-10-14 02:35:46,528 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:35:46,529 INFO L276 IsEmpty]: Start isEmpty. Operand 2341 states and 3010 transitions. [2020-10-14 02:35:46,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-14 02:35:46,531 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:35:46,531 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:35:46,531 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 02:35:46,531 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:35:46,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:35:46,532 INFO L82 PathProgramCache]: Analyzing trace with hash -93237078, now seen corresponding path program 1 times [2020-10-14 02:35:46,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:35:46,532 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [583752440] [2020-10-14 02:35:46,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:35:46,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:35:46,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:46,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:47,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:47,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-14 02:35:47,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:35:47,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 680 [2020-10-14 02:35:47,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:47,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:47,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:35:47,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-14 02:35:47,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-14 02:35:47,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:35:47,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:35:47,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:35:47,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:47,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:47,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:35:47,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:35:47,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:35:47,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:47,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:47,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:35:47,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:35:47,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:35:47,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:35:47,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:35:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:35:47,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:47,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:47,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 02:35:47,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:35:47,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-14 02:35:47,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:47,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:47,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:35:47,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:35:47,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 02:35:47,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:35:47,501 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:35:47,501 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [583752440] [2020-10-14 02:35:47,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:35:47,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:35:47,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326635032] [2020-10-14 02:35:47,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:35:47,503 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:35:47,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:35:47,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:35:47,503 INFO L87 Difference]: Start difference. First operand 2341 states and 3010 transitions. Second operand 5 states. [2020-10-14 02:35:49,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:35:49,979 INFO L93 Difference]: Finished difference Result 6233 states and 8172 transitions. [2020-10-14 02:35:49,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:35:49,980 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2020-10-14 02:35:49,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:35:50,001 INFO L225 Difference]: With dead ends: 6233 [2020-10-14 02:35:50,002 INFO L226 Difference]: Without dead ends: 3898 [2020-10-14 02:35:50,009 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 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 02:35:50,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3898 states. [2020-10-14 02:35:50,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3898 to 3881. [2020-10-14 02:35:50,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3881 states. [2020-10-14 02:35:50,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3881 states to 3881 states and 4996 transitions. [2020-10-14 02:35:50,151 INFO L78 Accepts]: Start accepts. Automaton has 3881 states and 4996 transitions. Word has length 136 [2020-10-14 02:35:50,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:35:50,152 INFO L479 AbstractCegarLoop]: Abstraction has 3881 states and 4996 transitions. [2020-10-14 02:35:50,152 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:35:50,152 INFO L276 IsEmpty]: Start isEmpty. Operand 3881 states and 4996 transitions. [2020-10-14 02:35:50,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-14 02:35:50,154 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:35:50,155 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:35:50,155 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 02:35:50,155 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:35:50,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:35:50,155 INFO L82 PathProgramCache]: Analyzing trace with hash 759871878, now seen corresponding path program 1 times [2020-10-14 02:35:50,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:35:50,156 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1073267] [2020-10-14 02:35:50,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:35:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:35:50,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:50,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:50,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:50,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:50,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-14 02:35:50,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:35:50,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 799 [2020-10-14 02:35:50,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:50,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:50,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:35:50,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-14 02:35:50,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-14 02:35:50,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:35:51,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:35:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:35:51,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:51,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:51,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:35:51,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:35:51,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:35:51,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:51,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:51,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:35:51,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:35:51,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:35:51,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:35:51,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:35:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:35:51,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:51,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:51,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 02:35:51,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:35:51,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-14 02:35:51,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:51,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:51,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:35:51,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:35:51,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 02:35:51,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:35:51,197 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:35:51,197 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1073267] [2020-10-14 02:35:51,198 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:35:51,198 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:35:51,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121821961] [2020-10-14 02:35:51,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:35:51,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:35:51,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:35:51,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:35:51,200 INFO L87 Difference]: Start difference. First operand 3881 states and 4996 transitions. Second operand 5 states. [2020-10-14 02:35:53,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:35:53,465 INFO L93 Difference]: Finished difference Result 8742 states and 11531 transitions. [2020-10-14 02:35:53,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:35:53,465 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2020-10-14 02:35:53,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:35:53,489 INFO L225 Difference]: With dead ends: 8742 [2020-10-14 02:35:53,490 INFO L226 Difference]: Without dead ends: 4867 [2020-10-14 02:35:53,500 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 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 02:35:53,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4867 states. [2020-10-14 02:35:53,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4867 to 4833. [2020-10-14 02:35:53,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4833 states. [2020-10-14 02:35:53,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4833 states to 4833 states and 6337 transitions. [2020-10-14 02:35:53,628 INFO L78 Accepts]: Start accepts. Automaton has 4833 states and 6337 transitions. Word has length 138 [2020-10-14 02:35:53,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:35:53,628 INFO L479 AbstractCegarLoop]: Abstraction has 4833 states and 6337 transitions. [2020-10-14 02:35:53,628 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:35:53,629 INFO L276 IsEmpty]: Start isEmpty. Operand 4833 states and 6337 transitions. [2020-10-14 02:35:53,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-14 02:35:53,632 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:35:53,632 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:35:53,633 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 02:35:53,633 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:35:53,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:35:53,634 INFO L82 PathProgramCache]: Analyzing trace with hash -664516444, now seen corresponding path program 1 times [2020-10-14 02:35:53,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:35:53,634 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2223377] [2020-10-14 02:35:53,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:35:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:35:53,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:53,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:54,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:54,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-14 02:35:54,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:35:54,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 707 [2020-10-14 02:35:54,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:54,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:54,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:35:54,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-14 02:35:54,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-14 02:35:54,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:35:54,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:35:54,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:35:54,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:54,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:54,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:35:54,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:35:54,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:35:54,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:54,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:54,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:35:54,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:35:54,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:35:54,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:35:54,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:35:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:35:54,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:54,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:54,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 02:35:54,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:35:54,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-14 02:35:54,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:54,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:54,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:35:54,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:35:54,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 02:35:54,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:35:54,753 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:35:54,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2223377] [2020-10-14 02:35:54,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:35:54,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:35:54,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269326601] [2020-10-14 02:35:54,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:35:54,755 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:35:54,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:35:54,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:35:54,756 INFO L87 Difference]: Start difference. First operand 4833 states and 6337 transitions. Second operand 5 states. [2020-10-14 02:35:57,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:35:57,435 INFO L93 Difference]: Finished difference Result 10629 states and 14256 transitions. [2020-10-14 02:35:57,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:35:57,438 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 164 [2020-10-14 02:35:57,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:35:57,464 INFO L225 Difference]: With dead ends: 10629 [2020-10-14 02:35:57,464 INFO L226 Difference]: Without dead ends: 5802 [2020-10-14 02:35:57,477 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:35:57,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5802 states. [2020-10-14 02:35:57,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5802 to 5788. [2020-10-14 02:35:57,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5788 states. [2020-10-14 02:35:57,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5788 states to 5788 states and 7584 transitions. [2020-10-14 02:35:57,666 INFO L78 Accepts]: Start accepts. Automaton has 5788 states and 7584 transitions. Word has length 164 [2020-10-14 02:35:57,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:35:57,666 INFO L479 AbstractCegarLoop]: Abstraction has 5788 states and 7584 transitions. [2020-10-14 02:35:57,667 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:35:57,667 INFO L276 IsEmpty]: Start isEmpty. Operand 5788 states and 7584 transitions. [2020-10-14 02:35:57,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-10-14 02:35:57,672 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:35:57,673 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:35:57,673 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 02:35:57,673 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:35:57,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:35:57,673 INFO L82 PathProgramCache]: Analyzing trace with hash -1687423950, now seen corresponding path program 1 times [2020-10-14 02:35:57,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:35:57,674 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [284427285] [2020-10-14 02:35:57,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:35:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:35:57,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:58,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:58,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:58,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-14 02:35:58,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:35:58,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1148 [2020-10-14 02:35:58,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:58,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:58,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:35:58,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 176 [2020-10-14 02:35:58,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-14 02:35:58,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:35:59,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:35:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:35:59,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:59,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:59,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:35:59,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:35:59,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 02:35:59,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:59,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:59,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:35:59,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:35:59,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:35:59,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:35:59,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:35:59,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:35:59,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:59,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:59,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-14 02:35:59,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:35:59,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-10-14 02:35:59,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:59,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:59,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:35:59,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:35:59,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-14 02:35:59,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:35:59,428 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:35:59,433 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [284427285] [2020-10-14 02:35:59,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:35:59,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:35:59,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474557831] [2020-10-14 02:35:59,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:35:59,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:35:59,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:35:59,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:35:59,437 INFO L87 Difference]: Start difference. First operand 5788 states and 7584 transitions. Second operand 5 states. [2020-10-14 02:36:01,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:36:01,713 INFO L93 Difference]: Finished difference Result 12534 states and 16715 transitions. [2020-10-14 02:36:01,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:36:01,719 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 214 [2020-10-14 02:36:01,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:36:01,757 INFO L225 Difference]: With dead ends: 12534 [2020-10-14 02:36:01,758 INFO L226 Difference]: Without dead ends: 6752 [2020-10-14 02:36:01,769 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 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 02:36:01,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6752 states. [2020-10-14 02:36:01,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6752 to 6550. [2020-10-14 02:36:01,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6550 states. [2020-10-14 02:36:01,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6550 states to 6550 states and 8580 transitions. [2020-10-14 02:36:01,938 INFO L78 Accepts]: Start accepts. Automaton has 6550 states and 8580 transitions. Word has length 214 [2020-10-14 02:36:01,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:36:01,939 INFO L479 AbstractCegarLoop]: Abstraction has 6550 states and 8580 transitions. [2020-10-14 02:36:01,940 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:36:01,940 INFO L276 IsEmpty]: Start isEmpty. Operand 6550 states and 8580 transitions. [2020-10-14 02:36:01,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2020-10-14 02:36:01,973 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:36:01,973 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 02:36:01,974 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 02:36:01,974 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:36:01,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:36:01,975 INFO L82 PathProgramCache]: Analyzing trace with hash 415688868, now seen corresponding path program 1 times [2020-10-14 02:36:01,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:36:01,976 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1319428607] [2020-10-14 02:36:01,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:36:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:36:02,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:02,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:02,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:02,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:04,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:07,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:36:07,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 324 [2020-10-14 02:36:07,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 02:36:07,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-14 02:36:07,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:36:07,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:36:07,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:36:07,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 151 [2020-10-14 02:36:07,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-14 02:36:07,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:36:07,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:36:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:36:07,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:07,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:36:07,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:36:07,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:36:07,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 02:36:07,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:36:07,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:36:07,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:36:07,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:36:07,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:36:07,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:36:07,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:36:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:36:07,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:07,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:36:07,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 02:36:07,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:36:07,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-14 02:36:07,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:36:07,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:36:07,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:36:07,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:36:07,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-14 02:36:07,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:36:07,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 02:36:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:36:07,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:07,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:36:07,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-14 02:36:07,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:36:07,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-14 02:36:07,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:36:07,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:36:07,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:36:07,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:36:07,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-14 02:36:07,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:36:07,860 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 202 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:36:07,860 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1319428607] [2020-10-14 02:36:07,860 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:36:07,861 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:36:07,861 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569398246] [2020-10-14 02:36:07,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:36:07,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:36:07,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:36:07,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:36:07,862 INFO L87 Difference]: Start difference. First operand 6550 states and 8580 transitions. Second operand 7 states. [2020-10-14 02:36:10,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:36:10,341 INFO L93 Difference]: Finished difference Result 12816 states and 17174 transitions. [2020-10-14 02:36:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 02:36:10,342 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 312 [2020-10-14 02:36:10,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:36:10,366 INFO L225 Difference]: With dead ends: 12816 [2020-10-14 02:36:10,366 INFO L226 Difference]: Without dead ends: 6074 [2020-10-14 02:36:10,380 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:36:10,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6074 states. [2020-10-14 02:36:10,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6074 to 5627. [2020-10-14 02:36:10,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5627 states. [2020-10-14 02:36:10,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5627 states to 5627 states and 7061 transitions. [2020-10-14 02:36:10,525 INFO L78 Accepts]: Start accepts. Automaton has 5627 states and 7061 transitions. Word has length 312 [2020-10-14 02:36:10,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:36:10,525 INFO L479 AbstractCegarLoop]: Abstraction has 5627 states and 7061 transitions. [2020-10-14 02:36:10,525 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:36:10,525 INFO L276 IsEmpty]: Start isEmpty. Operand 5627 states and 7061 transitions. [2020-10-14 02:36:10,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2020-10-14 02:36:10,543 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:36:10,543 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 02:36:10,544 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 02:36:10,544 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:36:10,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:36:10,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1105208659, now seen corresponding path program 1 times [2020-10-14 02:36:10,544 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:36:10,545 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2146700357] [2020-10-14 02:36:10,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:36:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:36:10,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:10,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:12,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:15,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:36:15,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 327 [2020-10-14 02:36:15,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:36:15,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 02:36:15,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:36:15,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:36:15,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:36:15,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-14 02:36:15,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 02:36:15,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:36:15,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:36:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:36:15,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:15,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:36:15,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:36:15,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:36:15,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:36:15,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:36:15,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:36:15,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:36:15,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:36:15,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:36:15,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:36:15,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:36:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:36:15,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:15,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:36:15,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 02:36:15,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:36:15,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 02:36:15,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:36:15,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:36:15,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:36:15,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:36:15,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 02:36:15,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:36:15,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 02:36:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:36:15,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:15,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:36:15,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 02:36:15,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:36:15,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-14 02:36:15,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:36:15,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:36:15,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:36:15,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:36:15,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 02:36:15,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:36:16,085 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 167 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:36:16,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2146700357] [2020-10-14 02:36:16,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:36:16,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:36:16,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239444021] [2020-10-14 02:36:16,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:36:16,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:36:16,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:36:16,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:36:16,087 INFO L87 Difference]: Start difference. First operand 5627 states and 7061 transitions. Second operand 7 states. [2020-10-14 02:36:18,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:36:18,540 INFO L93 Difference]: Finished difference Result 15161 states and 19583 transitions. [2020-10-14 02:36:18,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 02:36:18,541 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 315 [2020-10-14 02:36:18,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:36:18,572 INFO L225 Difference]: With dead ends: 15161 [2020-10-14 02:36:18,572 INFO L226 Difference]: Without dead ends: 9540 [2020-10-14 02:36:18,585 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:36:18,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9540 states. [2020-10-14 02:36:18,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9540 to 9307. [2020-10-14 02:36:18,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9307 states. [2020-10-14 02:36:18,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9307 states to 9307 states and 11886 transitions. [2020-10-14 02:36:18,819 INFO L78 Accepts]: Start accepts. Automaton has 9307 states and 11886 transitions. Word has length 315 [2020-10-14 02:36:18,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:36:18,820 INFO L479 AbstractCegarLoop]: Abstraction has 9307 states and 11886 transitions. [2020-10-14 02:36:18,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:36:18,821 INFO L276 IsEmpty]: Start isEmpty. Operand 9307 states and 11886 transitions. [2020-10-14 02:36:18,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2020-10-14 02:36:18,927 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:36:18,927 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 02:36:18,928 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 02:36:18,928 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:36:18,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:36:18,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1051979843, now seen corresponding path program 1 times [2020-10-14 02:36:18,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:36:18,929 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1964399017] [2020-10-14 02:36:18,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:36:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:36:19,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:19,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:20,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:36:20,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 370 [2020-10-14 02:36:20,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:36:20,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1074 [2020-10-14 02:36:20,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:36:20,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:36:20,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:36:20,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 02:36:20,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-14 02:36:20,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:36:20,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:36:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:36:20,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:20,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:36:20,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:36:20,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:36:20,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 02:36:20,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:36:20,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:36:20,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:36:20,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:36:20,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:36:20,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:36:20,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:36:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:36:20,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:20,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:36:20,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 02:36:20,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:36:20,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-14 02:36:20,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:36:20,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:36:20,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:36:20,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:36:20,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 02:36:20,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:36:20,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 02:36:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:36:20,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:20,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:36:20,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 02:36:20,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:36:20,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 393 [2020-10-14 02:36:20,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:36:20,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:36:20,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:36:20,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:36:20,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 02:36:20,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:36:20,982 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 208 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:36:20,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1964399017] [2020-10-14 02:36:20,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:36:20,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:36:20,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577026103] [2020-10-14 02:36:20,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:36:20,988 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:36:20,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:36:20,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:36:20,989 INFO L87 Difference]: Start difference. First operand 9307 states and 11886 transitions. Second operand 7 states. [2020-10-14 02:36:23,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:36:23,688 INFO L93 Difference]: Finished difference Result 21591 states and 28504 transitions. [2020-10-14 02:36:23,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 02:36:23,690 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 358 [2020-10-14 02:36:23,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:36:23,750 INFO L225 Difference]: With dead ends: 21591 [2020-10-14 02:36:23,750 INFO L226 Difference]: Without dead ends: 12290 [2020-10-14 02:36:23,777 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:36:23,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12290 states. [2020-10-14 02:36:24,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12290 to 11611. [2020-10-14 02:36:24,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11611 states. [2020-10-14 02:36:24,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11611 states to 11611 states and 15068 transitions. [2020-10-14 02:36:24,092 INFO L78 Accepts]: Start accepts. Automaton has 11611 states and 15068 transitions. Word has length 358 [2020-10-14 02:36:24,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:36:24,092 INFO L479 AbstractCegarLoop]: Abstraction has 11611 states and 15068 transitions. [2020-10-14 02:36:24,092 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:36:24,093 INFO L276 IsEmpty]: Start isEmpty. Operand 11611 states and 15068 transitions. [2020-10-14 02:36:24,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2020-10-14 02:36:24,125 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:36:24,126 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 02:36:24,126 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 02:36:24,126 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:36:24,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:36:24,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1058732441, now seen corresponding path program 1 times [2020-10-14 02:36:24,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:36:24,127 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1800082859] [2020-10-14 02:36:24,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:36:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:36:24,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:24,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:26,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:29,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:36:29,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 415 [2020-10-14 02:36:29,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:36:29,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-10-14 02:36:29,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:36:29,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:36:29,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:36:29,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 185 [2020-10-14 02:36:29,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-14 02:36:29,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:36:29,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:36:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:36:29,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:29,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:36:29,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:36:29,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:36:29,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 02:36:29,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:36:29,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:36:29,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:36:29,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:36:29,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:36:29,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:36:29,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:36:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:36:29,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:29,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:36:29,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-14 02:36:29,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:36:29,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-14 02:36:29,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:36:29,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:36:29,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:36:29,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:36:29,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-14 02:36:29,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:36:29,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-14 02:36:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:36:29,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:29,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:36:29,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 02:36:29,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:36:29,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-14 02:36:29,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:36:29,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:36:29,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:36:29,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:36:29,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 02:36:29,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:36:29,860 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 253 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:36:29,861 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1800082859] [2020-10-14 02:36:29,861 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:36:29,861 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:36:29,861 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281728089] [2020-10-14 02:36:29,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:36:29,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:36:29,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:36:29,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:36:29,862 INFO L87 Difference]: Start difference. First operand 11611 states and 15068 transitions. Second operand 7 states. [2020-10-14 02:36:32,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:36:32,288 INFO L93 Difference]: Finished difference Result 25169 states and 32935 transitions. [2020-10-14 02:36:32,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 02:36:32,288 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 403 [2020-10-14 02:36:32,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:36:32,325 INFO L225 Difference]: With dead ends: 25169 [2020-10-14 02:36:32,325 INFO L226 Difference]: Without dead ends: 13564 [2020-10-14 02:36:32,349 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:36:32,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13564 states. [2020-10-14 02:36:32,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13564 to 13327. [2020-10-14 02:36:32,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13327 states. [2020-10-14 02:36:32,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13327 states to 13327 states and 17351 transitions. [2020-10-14 02:36:32,730 INFO L78 Accepts]: Start accepts. Automaton has 13327 states and 17351 transitions. Word has length 403 [2020-10-14 02:36:32,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:36:32,731 INFO L479 AbstractCegarLoop]: Abstraction has 13327 states and 17351 transitions. [2020-10-14 02:36:32,731 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:36:32,731 INFO L276 IsEmpty]: Start isEmpty. Operand 13327 states and 17351 transitions. [2020-10-14 02:36:32,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2020-10-14 02:36:32,769 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:36:32,769 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:36:32,769 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 02:36:32,770 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:36:32,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:36:32,770 INFO L82 PathProgramCache]: Analyzing trace with hash 354679848, now seen corresponding path program 1 times [2020-10-14 02:36:32,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:36:32,770 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [963968867] [2020-10-14 02:36:32,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:36:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:36:32,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:32,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:34,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:37,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:36:37,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 431 [2020-10-14 02:36:37,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:36:37,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-14 02:36:37,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:36:37,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:36:37,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:36:37,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-14 02:36:37,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-14 02:36:37,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:36:37,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:36:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:36:37,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:37,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:36:37,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:36:37,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:36:37,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:36:37,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:36:37,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:36:37,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:36:37,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:36:37,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:36:37,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:36:37,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:36:37,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:36:37,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:38,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:36:38,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 02:36:38,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:36:38,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-14 02:36:38,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:36:38,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:36:38,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:36:38,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:36:38,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 02:36:38,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 02:36:38,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 02:36:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:36:38,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:38,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:36:38,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-14 02:36:38,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:36:38,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-14 02:36:38,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:36:38,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:36:38,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:36:38,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:36:38,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-14 02:36:38,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:36:38,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-14 02:36:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:36:38,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:38,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:36:38,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 02:36:38,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:36:38,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-10-14 02:36:38,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:36:38,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:36:38,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:36:38,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 02:36:38,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:36:38,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:36:38,806 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 212 proven. 99 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2020-10-14 02:36:38,807 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [963968867] [2020-10-14 02:36:38,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:36:38,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 02:36:38,808 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55555798] [2020-10-14 02:36:38,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 02:36:38,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:36:38,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 02:36:38,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-14 02:36:38,811 INFO L87 Difference]: Start difference. First operand 13327 states and 17351 transitions. Second operand 8 states. [2020-10-14 02:36:42,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:36:42,355 INFO L93 Difference]: Finished difference Result 26684 states and 34816 transitions. [2020-10-14 02:36:42,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 02:36:42,356 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 417 [2020-10-14 02:36:42,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:36:42,390 INFO L225 Difference]: With dead ends: 26684 [2020-10-14 02:36:42,390 INFO L226 Difference]: Without dead ends: 13363 [2020-10-14 02:36:42,408 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:36:42,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13363 states. [2020-10-14 02:36:42,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13363 to 13139. [2020-10-14 02:36:42,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13139 states. [2020-10-14 02:36:42,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13139 states to 13139 states and 16725 transitions. [2020-10-14 02:36:42,684 INFO L78 Accepts]: Start accepts. Automaton has 13139 states and 16725 transitions. Word has length 417 [2020-10-14 02:36:42,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:36:42,685 INFO L479 AbstractCegarLoop]: Abstraction has 13139 states and 16725 transitions. [2020-10-14 02:36:42,685 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 02:36:42,685 INFO L276 IsEmpty]: Start isEmpty. Operand 13139 states and 16725 transitions. [2020-10-14 02:36:42,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2020-10-14 02:36:42,761 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:36:42,762 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 02:36:42,762 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 02:36:42,762 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:36:42,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:36:42,763 INFO L82 PathProgramCache]: Analyzing trace with hash -935897872, now seen corresponding path program 1 times [2020-10-14 02:36:42,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:36:42,763 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2009848704] [2020-10-14 02:36:42,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:36:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:36:42,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:42,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:43,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:45,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:47,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:36:47,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 570 [2020-10-14 02:36:47,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 02:36:47,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5048 [2020-10-14 02:36:47,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:36:47,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:36:47,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:36:47,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-14 02:36:47,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-14 02:36:47,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:36:47,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:36:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:36:47,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:47,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:36:47,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:36:47,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:36:47,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:36:47,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:36:47,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:36:47,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:36:47,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:36:47,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:36:47,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:36:47,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:36:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:36:47,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:47,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:36:47,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 02:36:47,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:36:47,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 02:36:47,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:36:47,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:36:47,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:36:47,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:36:47,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 02:36:47,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:36:48,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 02:36:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:36:48,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:48,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:36:48,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 02:36:48,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:36:48,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-14 02:36:48,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:36:48,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:36:48,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:36:48,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:36:48,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-14 02:36:48,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:36:48,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-10-14 02:36:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:36:48,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:48,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:36:48,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-14 02:36:48,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:36:48,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 02:36:48,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:36:48,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:36:48,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:36:48,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-14 02:36:48,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:36:48,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:36:48,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2020-10-14 02:36:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:36:48,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:48,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:36:48,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 02:36:48,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:36:48,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-14 02:36:48,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:36:48,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:36:48,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:36:48,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 02:36:48,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:36:48,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:36:48,585 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 257 proven. 231 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2020-10-14 02:36:48,586 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2009848704] [2020-10-14 02:36:48,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:36:48,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:36:48,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515674896] [2020-10-14 02:36:48,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:36:48,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:36:48,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:36:48,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:36:48,588 INFO L87 Difference]: Start difference. First operand 13139 states and 16725 transitions. Second operand 7 states. [2020-10-14 02:36:53,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:36:53,614 INFO L93 Difference]: Finished difference Result 31408 states and 43652 transitions. [2020-10-14 02:36:53,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 02:36:53,615 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 554 [2020-10-14 02:36:53,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:36:53,685 INFO L225 Difference]: With dead ends: 31408 [2020-10-14 02:36:53,685 INFO L226 Difference]: Without dead ends: 18275 [2020-10-14 02:36:53,711 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:36:53,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18275 states. [2020-10-14 02:36:54,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18275 to 16974. [2020-10-14 02:36:54,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16974 states. [2020-10-14 02:36:54,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16974 states to 16974 states and 20830 transitions. [2020-10-14 02:36:54,214 INFO L78 Accepts]: Start accepts. Automaton has 16974 states and 20830 transitions. Word has length 554 [2020-10-14 02:36:54,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:36:54,215 INFO L479 AbstractCegarLoop]: Abstraction has 16974 states and 20830 transitions. [2020-10-14 02:36:54,215 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:36:54,215 INFO L276 IsEmpty]: Start isEmpty. Operand 16974 states and 20830 transitions. [2020-10-14 02:36:54,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2020-10-14 02:36:54,254 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:36:54,255 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:36:54,255 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 02:36:54,256 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:36:54,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:36:54,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1538357094, now seen corresponding path program 1 times [2020-10-14 02:36:54,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:36:54,257 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1296132008] [2020-10-14 02:36:54,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:36:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:36:54,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:54,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:54,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:56,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:59,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:36:59,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 613 [2020-10-14 02:36:59,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 02:36:59,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-14 02:36:59,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:36:59,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:36:59,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:36:59,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 02:36:59,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-14 02:36:59,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:36:59,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:36:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:36:59,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:59,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:36:59,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:36:59,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:36:59,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:36:59,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:36:59,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:36:59,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:36:59,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:36:59,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:36:59,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:36:59,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:36:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:36:59,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:59,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:36:59,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 02:36:59,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:36:59,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-14 02:36:59,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:36:59,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:36:59,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:36:59,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:36:59,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 02:36:59,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:36:59,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 02:36:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:36:59,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:36:59,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:36:59,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 02:36:59,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:36:59,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-10-14 02:36:59,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:36:59,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:36:59,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:36:59,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:36:59,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-14 02:36:59,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:36:59,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2020-10-14 02:36:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:36:59,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:00,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:00,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-14 02:37:00,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:37:00,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 02:37:00,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:00,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:00,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:37:00,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-14 02:37:00,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:37:00,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:37:00,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2020-10-14 02:37:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:00,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:00,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:00,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 02:37:00,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:37:00,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-14 02:37:00,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:00,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:00,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:37:00,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 02:37:00,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:37:00,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:37:00,392 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 298 proven. 231 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2020-10-14 02:37:00,393 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1296132008] [2020-10-14 02:37:00,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:37:00,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:37:00,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681381498] [2020-10-14 02:37:00,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:37:00,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:37:00,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:37:00,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:37:00,395 INFO L87 Difference]: Start difference. First operand 16974 states and 20830 transitions. Second operand 7 states. [2020-10-14 02:37:04,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:37:04,762 INFO L93 Difference]: Finished difference Result 36868 states and 47416 transitions. [2020-10-14 02:37:04,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 02:37:04,763 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 597 [2020-10-14 02:37:04,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:37:04,836 INFO L225 Difference]: With dead ends: 36868 [2020-10-14 02:37:04,837 INFO L226 Difference]: Without dead ends: 19900 [2020-10-14 02:37:04,864 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:37:04,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19900 states. [2020-10-14 02:37:05,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19900 to 19470. [2020-10-14 02:37:05,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19470 states. [2020-10-14 02:37:05,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19470 states to 19470 states and 23580 transitions. [2020-10-14 02:37:05,433 INFO L78 Accepts]: Start accepts. Automaton has 19470 states and 23580 transitions. Word has length 597 [2020-10-14 02:37:05,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:37:05,434 INFO L479 AbstractCegarLoop]: Abstraction has 19470 states and 23580 transitions. [2020-10-14 02:37:05,434 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:37:05,434 INFO L276 IsEmpty]: Start isEmpty. Operand 19470 states and 23580 transitions. [2020-10-14 02:37:05,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 669 [2020-10-14 02:37:05,469 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:37:05,472 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:37:05,472 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 02:37:05,472 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:37:05,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:37:05,473 INFO L82 PathProgramCache]: Analyzing trace with hash 1858589485, now seen corresponding path program 1 times [2020-10-14 02:37:05,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:37:05,474 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [205896172] [2020-10-14 02:37:05,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:37:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:05,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:05,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:06,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:06,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:10,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:10,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:10,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 686 [2020-10-14 02:37:10,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 02:37:10,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 02:37:10,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:10,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:10,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:37:10,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-14 02:37:10,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 02:37:10,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:37:10,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:37:10,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:10,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:10,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:10,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:37:10,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:37:10,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:37:10,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:10,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:10,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:37:10,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:37:10,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:37:10,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:37:10,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:37:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:10,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:10,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:10,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 02:37:10,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:37:10,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-14 02:37:10,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:10,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:10,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:37:10,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:37:10,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 02:37:10,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:37:10,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 02:37:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:10,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:10,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:10,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 02:37:10,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:37:10,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-14 02:37:10,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:10,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:10,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:37:10,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:37:10,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 02:37:10,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:37:10,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-14 02:37:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:10,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:11,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:11,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 02:37:11,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:37:11,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-14 02:37:11,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:11,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:11,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:37:11,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-14 02:37:11,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:37:11,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:37:11,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2020-10-14 02:37:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:11,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:11,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:11,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-14 02:37:11,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:37:11,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-14 02:37:11,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:11,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:11,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:37:11,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-14 02:37:11,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:37:11,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:37:11,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2020-10-14 02:37:11,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:11,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:11,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:11,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 02:37:11,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:37:11,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-14 02:37:11,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:11,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:11,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:37:11,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 02:37:11,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:37:11,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:37:11,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1216 backedges. 300 proven. 251 refuted. 0 times theorem prover too weak. 665 trivial. 0 not checked. [2020-10-14 02:37:11,669 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [205896172] [2020-10-14 02:37:11,669 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:37:11,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:37:11,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850006723] [2020-10-14 02:37:11,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:37:11,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:37:11,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:37:11,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:37:11,671 INFO L87 Difference]: Start difference. First operand 19470 states and 23580 transitions. Second operand 7 states. [2020-10-14 02:37:14,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:37:14,693 INFO L93 Difference]: Finished difference Result 41055 states and 49876 transitions. [2020-10-14 02:37:14,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 02:37:14,694 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 668 [2020-10-14 02:37:14,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:37:14,750 INFO L225 Difference]: With dead ends: 41055 [2020-10-14 02:37:14,750 INFO L226 Difference]: Without dead ends: 21799 [2020-10-14 02:37:14,777 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:37:14,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21799 states. [2020-10-14 02:37:15,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21799 to 21579. [2020-10-14 02:37:15,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21579 states. [2020-10-14 02:37:15,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21579 states to 21579 states and 26100 transitions. [2020-10-14 02:37:15,192 INFO L78 Accepts]: Start accepts. Automaton has 21579 states and 26100 transitions. Word has length 668 [2020-10-14 02:37:15,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:37:15,193 INFO L479 AbstractCegarLoop]: Abstraction has 21579 states and 26100 transitions. [2020-10-14 02:37:15,193 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:37:15,193 INFO L276 IsEmpty]: Start isEmpty. Operand 21579 states and 26100 transitions. [2020-10-14 02:37:15,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 679 [2020-10-14 02:37:15,229 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:37:15,229 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2020-10-14 02:37:15,229 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 02:37:15,230 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:37:15,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:37:15,230 INFO L82 PathProgramCache]: Analyzing trace with hash -620182663, now seen corresponding path program 1 times [2020-10-14 02:37:15,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:37:15,231 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [705980287] [2020-10-14 02:37:15,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:37:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:15,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:15,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:15,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:18,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:20,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:20,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 696 [2020-10-14 02:37:20,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 02:37:20,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5092 [2020-10-14 02:37:20,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:20,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:20,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:37:20,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 647 [2020-10-14 02:37:20,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-14 02:37:20,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:37:20,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:37:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:20,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:20,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:20,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:37:20,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:37:20,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:37:20,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:20,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:20,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:37:20,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:37:20,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:37:20,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:37:20,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:37:20,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:20,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:20,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:20,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 02:37:20,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:37:20,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 02:37:20,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:20,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:20,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:37:20,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:37:20,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:37:20,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:37:20,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 02:37:20,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:20,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:20,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:20,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 02:37:20,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:37:20,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 02:37:20,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:20,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:20,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:37:20,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:37:20,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:37:20,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:37:20,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-14 02:37:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:20,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:20,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:20,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 02:37:20,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:37:20,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 02:37:20,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:20,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:20,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:37:20,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:37:20,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:37:20,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:37:20,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2020-10-14 02:37:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:20,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:20,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:20,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-14 02:37:20,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:37:20,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 02:37:20,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:20,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:20,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:37:20,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:37:20,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:37:20,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:37:20,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-10-14 02:37:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:20,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:20,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:20,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 02:37:20,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:37:20,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-14 02:37:20,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:20,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:20,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:37:20,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:37:20,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-14 02:37:20,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:37:21,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1236 backedges. 212 proven. 5 refuted. 0 times theorem prover too weak. 1019 trivial. 0 not checked. [2020-10-14 02:37:21,093 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [705980287] [2020-10-14 02:37:21,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:37:21,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:37:21,093 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110493117] [2020-10-14 02:37:21,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:37:21,094 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:37:21,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:37:21,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:37:21,095 INFO L87 Difference]: Start difference. First operand 21579 states and 26100 transitions. Second operand 5 states. [2020-10-14 02:37:23,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:37:23,928 INFO L93 Difference]: Finished difference Result 45261 states and 54802 transitions. [2020-10-14 02:37:23,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:37:23,929 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 678 [2020-10-14 02:37:23,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:37:23,930 INFO L225 Difference]: With dead ends: 45261 [2020-10-14 02:37:23,930 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 02:37:23,969 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 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 02:37:23,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 02:37:23,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 02:37:23,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 02:37:23,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 02:37:23,970 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 678 [2020-10-14 02:37:23,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:37:23,970 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 02:37:23,970 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:37:23,971 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 02:37:23,971 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 02:37:23,971 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 02:37:23,973 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 02:37:27,859 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 803 DAG size of output: 438 [2020-10-14 02:37:29,827 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 803 DAG size of output: 438 [2020-10-14 02:37:29,968 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 28 [2020-10-14 02:37:32,141 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 416 DAG size of output: 69 [2020-10-14 02:37:36,045 WARN L193 SmtUtils]: Spent 3.87 s on a formula simplification. DAG size of input: 395 DAG size of output: 59 [2020-10-14 02:37:39,808 WARN L193 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 395 DAG size of output: 59 [2020-10-14 02:37:39,813 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 02:37:39,813 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a3~0 |old(~a3~0)|)) [2020-10-14 02:37:39,813 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 02:37:39,813 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-14 02:37:39,813 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-14 02:37:39,813 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-14 02:37:39,813 INFO L268 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,813 INFO L268 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,814 INFO L268 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,814 INFO L268 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,814 INFO L268 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,814 INFO L268 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,814 INFO L268 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,814 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-14 02:37:39,814 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-14 02:37:39,814 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-14 02:37:39,815 INFO L268 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,815 INFO L268 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,815 INFO L268 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,815 INFO L268 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,815 INFO L268 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,815 INFO L268 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,816 INFO L268 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,816 INFO L268 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,816 INFO L268 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,816 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-14 02:37:39,816 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-14 02:37:39,816 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-14 02:37:39,817 INFO L268 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,817 INFO L268 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,817 INFO L268 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,817 INFO L268 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,817 INFO L268 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,817 INFO L268 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,817 INFO L268 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,817 INFO L268 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,817 INFO L268 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,817 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-14 02:37:39,817 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-14 02:37:39,818 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-14 02:37:39,818 INFO L268 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2020-10-14 02:37:39,818 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-10-14 02:37:39,818 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2020-10-14 02:37:39,818 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2020-10-14 02:37:39,818 INFO L268 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,818 INFO L268 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,818 INFO L268 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,818 INFO L268 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,818 INFO L268 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,818 INFO L268 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,818 INFO L268 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,818 INFO L268 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,819 INFO L268 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,819 INFO L268 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,819 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-14 02:37:39,819 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-14 02:37:39,819 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-14 02:37:39,819 INFO L268 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,819 INFO L268 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,819 INFO L268 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,819 INFO L268 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,819 INFO L268 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,819 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-14 02:37:39,819 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-14 02:37:39,819 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-14 02:37:39,819 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,819 INFO L268 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,820 INFO L268 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,820 INFO L268 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,820 INFO L268 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,820 INFO L268 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2020-10-14 02:37:39,820 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2020-10-14 02:37:39,820 INFO L268 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,820 INFO L268 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,820 INFO L268 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,820 INFO L268 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,820 INFO L268 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,820 INFO L268 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,820 INFO L268 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2020-10-14 02:37:39,820 INFO L268 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2020-10-14 02:37:39,820 INFO L268 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,821 INFO L268 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,821 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-14 02:37:39,821 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-14 02:37:39,821 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-14 02:37:39,821 INFO L268 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,821 INFO L268 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,821 INFO L268 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,821 INFO L268 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,821 INFO L268 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,821 INFO L268 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,821 INFO L268 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,822 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-14 02:37:39,822 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-14 02:37:39,822 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-14 02:37:39,822 INFO L268 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2020-10-14 02:37:39,822 INFO L268 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2020-10-14 02:37:39,822 INFO L268 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2020-10-14 02:37:39,822 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2020-10-14 02:37:39,822 INFO L268 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,822 INFO L268 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,822 INFO L268 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2020-10-14 02:37:39,823 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2020-10-14 02:37:39,823 INFO L268 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,823 INFO L268 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,823 INFO L268 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,823 INFO L268 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,825 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse3 (not (<= |old(~a29~0)| 261))) (.cse5 (not (<= (+ |old(~a23~0)| 43) 0))) (.cse1 (not (<= |old(~a4~0)| 1))) (.cse2 (not (<= 1 |old(~a4~0)|))) (.cse4 (not (<= 247 |old(~a29~0)|))) (.cse7 (= 9 |old(~a25~0)|)) (.cse0 (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|))) (.cse6 (not (= |old(~a4~0)| 0)))) (and (or (not (<= |old(~a25~0)| 11)) .cse0 .cse1 .cse2) (or .cse3 (not (<= 13 |old(~a25~0)|)) .cse0 .cse1 .cse2) (or .cse4 .cse0 .cse5 .cse6) (or .cse3 .cse0 .cse5 .cse1 .cse2) (or .cse0 (not (<= |old(~a29~0)| 220)) .cse6) (or .cse0 .cse1 (not (<= 160 |old(~a23~0)|)) .cse2) (or .cse0 .cse7 .cse5 .cse6) (or (not (<= 12 |old(~a25~0)|)) .cse0 .cse6) (or (not (<= (+ |old(~a29~0)| 29162) 0)) .cse0 .cse1 .cse2) (or .cse4 .cse7 .cse0 .cse6))) [2020-10-14 02:37:39,825 INFO L268 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,825 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-14 02:37:39,825 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-14 02:37:39,825 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-14 02:37:39,825 INFO L268 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,825 INFO L268 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,825 INFO L268 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,826 INFO L268 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,826 INFO L268 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,826 INFO L268 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,826 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-14 02:37:39,826 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-14 02:37:39,826 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-14 02:37:39,826 INFO L268 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,826 INFO L268 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,827 INFO L268 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,827 INFO L268 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,827 INFO L268 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,827 INFO L268 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,827 INFO L268 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,827 INFO L268 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,827 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-14 02:37:39,827 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-14 02:37:39,827 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-14 02:37:39,827 INFO L268 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,827 INFO L268 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,828 INFO L268 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,828 INFO L268 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,828 INFO L268 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,828 INFO L268 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,828 INFO L268 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,828 INFO L268 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,828 INFO L268 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,828 INFO L268 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,828 INFO L268 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,828 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-10-14 02:37:39,828 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2020-10-14 02:37:39,829 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-14 02:37:39,829 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-14 02:37:39,829 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-14 02:37:39,829 INFO L268 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,829 INFO L268 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,829 INFO L268 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,829 INFO L268 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,829 INFO L268 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,829 INFO L268 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,829 INFO L268 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,829 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-14 02:37:39,829 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-14 02:37:39,829 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-14 02:37:39,829 INFO L268 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,829 INFO L268 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,830 INFO L268 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,830 INFO L268 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2020-10-14 02:37:39,830 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2020-10-14 02:37:39,830 INFO L268 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,830 INFO L268 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,830 INFO L268 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,830 INFO L268 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,830 INFO L268 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,830 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 132) no Hoare annotation was computed. [2020-10-14 02:37:39,830 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-14 02:37:39,830 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-14 02:37:39,830 INFO L268 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,830 INFO L268 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,830 INFO L268 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2020-10-14 02:37:39,830 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2020-10-14 02:37:39,831 INFO L268 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,831 INFO L268 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,831 INFO L268 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,831 INFO L268 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,831 INFO L268 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,831 INFO L268 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,831 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-14 02:37:39,831 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-14 02:37:39,831 INFO L268 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2020-10-14 02:37:39,831 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2020-10-14 02:37:39,831 INFO L268 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,831 INFO L268 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,831 INFO L268 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,831 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,831 INFO L268 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,831 INFO L268 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,832 INFO L268 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,832 INFO L268 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,832 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-14 02:37:39,832 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-14 02:37:39,832 INFO L268 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2020-10-14 02:37:39,832 INFO L268 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2020-10-14 02:37:39,832 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-10-14 02:37:39,832 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-10-14 02:37:39,832 INFO L268 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,832 INFO L268 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,832 INFO L268 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,832 INFO L268 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,832 INFO L268 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,832 INFO L268 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,832 INFO L268 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,832 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-14 02:37:39,833 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-14 02:37:39,833 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,833 INFO L268 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,833 INFO L268 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,833 INFO L268 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,833 INFO L268 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,833 INFO L268 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,833 INFO L268 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,833 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-14 02:37:39,833 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-14 02:37:39,833 INFO L268 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,833 INFO L268 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,833 INFO L268 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,833 INFO L268 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,833 INFO L268 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,833 INFO L268 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,834 INFO L268 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,834 INFO L268 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-14 02:37:39,834 INFO L268 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,834 INFO L268 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,834 INFO L268 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,834 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-14 02:37:39,834 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-14 02:37:39,834 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-14 02:37:39,834 INFO L268 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,834 INFO L268 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2020-10-14 02:37:39,834 INFO L268 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,834 INFO L268 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2020-10-14 02:37:39,834 INFO L268 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,834 INFO L268 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,834 INFO L268 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,834 INFO L268 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,835 INFO L268 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,835 INFO L268 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,835 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-14 02:37:39,835 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-14 02:37:39,835 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-14 02:37:39,835 INFO L268 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,835 INFO L268 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,835 INFO L268 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,835 INFO L268 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,836 INFO L268 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,836 INFO L268 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,836 INFO L268 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,836 INFO L268 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,836 INFO L268 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,836 INFO L268 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,836 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-14 02:37:39,836 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-14 02:37:39,836 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-14 02:37:39,837 INFO L268 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,837 INFO L268 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2020-10-14 02:37:39,837 INFO L268 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2020-10-14 02:37:39,837 INFO L268 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,837 INFO L268 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,837 INFO L268 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,837 INFO L268 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,837 INFO L268 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,838 INFO L268 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,838 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-14 02:37:39,838 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-14 02:37:39,838 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-14 02:37:39,838 INFO L268 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,838 INFO L268 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,838 INFO L268 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,838 INFO L268 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,839 INFO L268 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2020-10-14 02:37:39,839 INFO L268 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2020-10-14 02:37:39,839 INFO L268 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,839 INFO L268 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,839 INFO L268 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2020-10-14 02:37:39,839 INFO L268 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,839 INFO L268 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,839 INFO L268 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:37:39,839 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 02:37:39,840 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~a4~0) (= ~a25~0 10) (<= 307 ~a23~0) (<= ~a29~0 220) (<= ~a4~0 1)) [2020-10-14 02:37:39,840 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 02:37:39,840 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 02:37:39,840 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (<= 307 |old(~a23~0)|)) (not (= 10 |old(~a25~0)|)) (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|)) (not (<= |old(~a29~0)| 220)) (not (<= |old(~a4~0)| 1)) (not (<= 1 |old(~a4~0)|))) [2020-10-14 02:37:39,840 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2020-10-14 02:37:39,840 INFO L264 CegarLoopResult]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse4 (<= 247 ~a29~0)) (.cse2 (= ~a4~0 0)) (.cse5 (not (= ~a25~0 9))) (.cse3 (<= (+ ~a23~0 43) 0)) (.cse0 (<= 1 ~a4~0)) (.cse6 (<= ~a29~0 261)) (.cse1 (<= ~a4~0 1))) (or (and .cse0 .cse1 (<= (+ ~a29~0 29162) 0)) (and .cse2 (<= ~a29~0 220)) (not (<= 307 |old(~a23~0)|)) (and .cse2 .cse3 .cse4) (and .cse2 (<= 12 ~a25~0)) (not (<= |old(~a29~0)| 220)) (not (<= |old(~a4~0)| 1)) (not (<= 1 |old(~a4~0)|)) (and .cse2 .cse5 .cse4) (and .cse0 (<= ~a25~0 11) .cse1) (and .cse0 (<= 160 ~a23~0) .cse1) (and .cse2 .cse5 .cse3) (not (= 10 |old(~a25~0)|)) (and .cse0 .cse3 .cse6 .cse1) (and .cse0 .cse6 (<= 13 ~a25~0) .cse1))) [2020-10-14 02:37:39,841 INFO L268 CegarLoopResult]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2020-10-14 02:37:39,841 INFO L268 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2020-10-14 02:37:39,841 INFO L264 CegarLoopResult]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse4 (<= 247 ~a29~0)) (.cse2 (= ~a4~0 0)) (.cse5 (not (= ~a25~0 9))) (.cse3 (<= (+ ~a23~0 43) 0)) (.cse0 (<= 1 ~a4~0)) (.cse6 (<= ~a29~0 261)) (.cse1 (<= ~a4~0 1))) (or (and .cse0 .cse1 (<= (+ ~a29~0 29162) 0)) (and .cse2 (<= ~a29~0 220)) (not (<= 307 |old(~a23~0)|)) (and .cse2 .cse3 .cse4) (and .cse2 (<= 12 ~a25~0)) (not (<= |old(~a29~0)| 220)) (not (<= |old(~a4~0)| 1)) (not (<= 1 |old(~a4~0)|)) (and .cse2 .cse5 .cse4) (and .cse0 (<= ~a25~0 11) .cse1) (and .cse0 (<= 160 ~a23~0) .cse1) (and .cse2 .cse5 .cse3) (not (= 10 |old(~a25~0)|)) (and .cse0 .cse3 .cse6 .cse1) (and .cse0 .cse6 (<= 13 ~a25~0) .cse1))) [2020-10-14 02:37:39,841 INFO L268 CegarLoopResult]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2020-10-14 02:37:39,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 02:37:39 BoogieIcfgContainer [2020-10-14 02:37:39,877 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 02:37:39,879 INFO L168 Benchmark]: Toolchain (without parser) took 135933.08 ms. Allocated memory was 146.3 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 99.0 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2020-10-14 02:37:39,880 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-14 02:37:39,881 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1203.77 ms. Allocated memory was 146.3 MB in the beginning and 207.1 MB in the end (delta: 60.8 MB). Free memory was 99.0 MB in the beginning and 161.5 MB in the end (delta: -62.5 MB). Peak memory consumption was 45.1 MB. Max. memory is 7.1 GB. [2020-10-14 02:37:39,881 INFO L168 Benchmark]: Boogie Preprocessor took 254.58 ms. Allocated memory is still 207.1 MB. Free memory was 161.5 MB in the beginning and 153.1 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2020-10-14 02:37:39,882 INFO L168 Benchmark]: RCFGBuilder took 1981.63 ms. Allocated memory was 207.1 MB in the beginning and 241.2 MB in the end (delta: 34.1 MB). Free memory was 153.1 MB in the beginning and 98.4 MB in the end (delta: 54.7 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. [2020-10-14 02:37:39,883 INFO L168 Benchmark]: TraceAbstraction took 132487.57 ms. Allocated memory was 241.2 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 98.4 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2020-10-14 02:37:39,886 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1203.77 ms. Allocated memory was 146.3 MB in the beginning and 207.1 MB in the end (delta: 60.8 MB). Free memory was 99.0 MB in the beginning and 161.5 MB in the end (delta: -62.5 MB). Peak memory consumption was 45.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 254.58 ms. Allocated memory is still 207.1 MB. Free memory was 161.5 MB in the beginning and 153.1 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1981.63 ms. Allocated memory was 207.1 MB in the beginning and 241.2 MB in the end (delta: 34.1 MB). Free memory was 153.1 MB in the beginning and 98.4 MB in the end (delta: 54.7 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 132487.57 ms. Allocated memory was 241.2 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 98.4 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 132]: 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: 1034]: Loop Invariant Derived loop invariant: (((((((((((((((1 <= a4 && a4 <= 1) && a29 + 29162 <= 0) || (a4 == 0 && a29 <= 220)) || !(307 <= \old(a23))) || ((a4 == 0 && a23 + 43 <= 0) && 247 <= a29)) || (a4 == 0 && 12 <= a25)) || !(\old(a29) <= 220)) || !(\old(a4) <= 1)) || !(1 <= \old(a4))) || ((a4 == 0 && !(a25 == 9)) && 247 <= a29)) || ((1 <= a4 && a25 <= 11) && a4 <= 1)) || ((1 <= a4 && 160 <= a23) && a4 <= 1)) || ((a4 == 0 && !(a25 == 9)) && a23 + 43 <= 0)) || !(10 == \old(a25))) || (((1 <= a4 && a23 + 43 <= 0) && a29 <= 261) && a4 <= 1)) || (((1 <= a4 && a29 <= 261) && 13 <= a25) && a4 <= 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 116.5s, OverallIterations: 18, TraceHistogramMax: 6, AutomataDifference: 50.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 874 SDtfs, 11536 SDslu, 1287 SDs, 0 SdLazy, 22974 SolverSat, 3192 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 34.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 283 GetRequests, 163 SyntacticMatches, 1 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21579occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.7s AutomataMinimizationTime, 18 MinimizatonAttempts, 4103 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 849 PreInvPairs, 1107 NumberOfFragments, 617 HoareAnnotationTreeSize, 849 FomulaSimplifications, 892011463 FormulaSimplificationTreeSizeReduction, 5.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 394403 FormulaSimplificationTreeSizeReductionInter, 9.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 58.7s InterpolantComputationTime, 5499 NumberOfCodeBlocks, 5499 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 5481 ConstructedInterpolants, 0 QuantifiedInterpolants, 4216641 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 1 PerfectInterpolantSequences, 4808/5641 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...