/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label00.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 03:13:13,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 03:13:13,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 03:13:13,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 03:13:13,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 03:13:13,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 03:13:13,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 03:13:13,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 03:13:13,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 03:13:13,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 03:13:13,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 03:13:13,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 03:13:13,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 03:13:13,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 03:13:13,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 03:13:13,446 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 03:13:13,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 03:13:13,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 03:13:13,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 03:13:13,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 03:13:13,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 03:13:13,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 03:13:13,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 03:13:13,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 03:13:13,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 03:13:13,459 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 03:13:13,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 03:13:13,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 03:13:13,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 03:13:13,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 03:13:13,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 03:13:13,465 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 03:13:13,466 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 03:13:13,467 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 03:13:13,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 03:13:13,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 03:13:13,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 03:13:13,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 03:13:13,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 03:13:13,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 03:13:13,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 03:13:13,478 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 03:13:13,527 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 03:13:13,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 03:13:13,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 03:13:13,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 03:13:13,532 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 03:13:13,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 03:13:13,532 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 03:13:13,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 03:13:13,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 03:13:13,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 03:13:13,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 03:13:13,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 03:13:13,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 03:13:13,534 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 03:13:13,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 03:13:13,534 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 03:13:13,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 03:13:13,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 03:13:13,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 03:13:13,535 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 03:13:13,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 03:13:13,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 03:13:13,538 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 03:13:13,538 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 03:13:13,538 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 03:13:13,538 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 03:13:13,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 03:13:13,539 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 03:13:13,539 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 03:13:13,539 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 03:13:13,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 03:13:13,902 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 03:13:13,909 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 03:13:13,911 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 03:13:13,911 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 03:13:13,912 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label00.c [2020-10-14 03:13:13,975 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/94982e113/6bfa7b04fc7b4f4980f157a7c3762f5b/FLAG14643a4b8 [2020-10-14 03:13:14,622 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 03:13:14,623 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label00.c [2020-10-14 03:13:14,637 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/94982e113/6bfa7b04fc7b4f4980f157a7c3762f5b/FLAG14643a4b8 [2020-10-14 03:13:14,861 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/94982e113/6bfa7b04fc7b4f4980f157a7c3762f5b [2020-10-14 03:13:14,869 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 03:13:14,871 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 03:13:14,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 03:13:14,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 03:13:14,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 03:13:14,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:13:14" (1/1) ... [2020-10-14 03:13:14,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:13:14, skipping insertion in model container [2020-10-14 03:13:14,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:13:14" (1/1) ... [2020-10-14 03:13:14,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 03:13:14,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 03:13:15,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 03:13:15,518 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 03:13:15,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 03:13:15,693 INFO L208 MainTranslator]: Completed translation [2020-10-14 03:13:15,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:13:15 WrapperNode [2020-10-14 03:13:15,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 03:13:15,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 03:13:15,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 03:13:15,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 03:13:15,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:13:15" (1/1) ... [2020-10-14 03:13:15,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:13:15" (1/1) ... [2020-10-14 03:13:15,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:13:15" (1/1) ... [2020-10-14 03:13:15,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:13:15" (1/1) ... [2020-10-14 03:13:15,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:13:15" (1/1) ... [2020-10-14 03:13:15,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:13:15" (1/1) ... [2020-10-14 03:13:15,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:13:15" (1/1) ... [2020-10-14 03:13:15,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 03:13:15,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 03:13:15,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 03:13:15,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 03:13:15,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:13:15" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 03:13:15,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 03:13:15,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 03:13:15,900 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 03:13:15,900 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 03:13:15,900 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 03:13:15,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 03:13:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 03:13:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 03:13:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 03:13:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 03:13:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 03:13:17,331 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 03:13:17,332 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 03:13:17,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:13:17 BoogieIcfgContainer [2020-10-14 03:13:17,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 03:13:17,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 03:13:17,340 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 03:13:17,344 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 03:13:17,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:13:14" (1/3) ... [2020-10-14 03:13:17,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49f4b8c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:13:17, skipping insertion in model container [2020-10-14 03:13:17,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:13:15" (2/3) ... [2020-10-14 03:13:17,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49f4b8c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:13:17, skipping insertion in model container [2020-10-14 03:13:17,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:13:17" (3/3) ... [2020-10-14 03:13:17,349 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label00.c [2020-10-14 03:13:17,360 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 03:13:17,369 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 03:13:17,384 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 03:13:17,414 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 03:13:17,414 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 03:13:17,415 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 03:13:17,415 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 03:13:17,415 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 03:13:17,415 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 03:13:17,415 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 03:13:17,416 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 03:13:17,443 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-14 03:13:17,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-14 03:13:17,453 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:13:17,455 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:13:17,455 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:13:17,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:13:17,462 INFO L82 PathProgramCache]: Analyzing trace with hash -837227006, now seen corresponding path program 1 times [2020-10-14 03:13:17,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:13:17,473 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [61044195] [2020-10-14 03:13:17,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:13:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:13:17,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:18,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:13:18,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-14 03:13:18,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:13:18,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 449 [2020-10-14 03:13:18,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:13:18,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:13:18,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 03:13:18,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 03:13:18,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 03:13:18,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 03:13:18,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:13:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:13:18,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:18,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:13:18,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:13:18,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:13:18,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 03:13:18,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:13:18,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:13:18,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:13:18,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:13:18,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 03:13:18,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:13:18,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:13:18,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [61044195] [2020-10-14 03:13:18,341 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 03:13:18,341 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 03:13:18,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351675865] [2020-10-14 03:13:18,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:13:18,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:13:18,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:13:18,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:13:18,366 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-10-14 03:13:21,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:13:21,038 INFO L93 Difference]: Finished difference Result 886 states and 1612 transitions. [2020-10-14 03:13:21,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 03:13:21,041 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-10-14 03:13:21,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:13:21,062 INFO L225 Difference]: With dead ends: 886 [2020-10-14 03:13:21,063 INFO L226 Difference]: Without dead ends: 564 [2020-10-14 03:13:21,074 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:13:21,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-14 03:13:21,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-14 03:13:21,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-14 03:13:21,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 855 transitions. [2020-10-14 03:13:21,185 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 855 transitions. Word has length 59 [2020-10-14 03:13:21,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:13:21,186 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 855 transitions. [2020-10-14 03:13:21,186 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:13:21,188 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 855 transitions. [2020-10-14 03:13:21,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-14 03:13:21,198 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:13:21,199 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:13:21,199 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 03:13:21,199 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:13:21,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:13:21,200 INFO L82 PathProgramCache]: Analyzing trace with hash -1547926855, now seen corresponding path program 1 times [2020-10-14 03:13:21,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:13:21,200 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [773265873] [2020-10-14 03:13:21,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:13:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:13:21,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:21,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:22,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:22,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:13:22,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 03:13:22,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:13:22,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1256 [2020-10-14 03:13:22,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:13:22,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:13:22,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:13:22,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 03:13:22,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-14 03:13:22,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:13:22,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:13:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:13:22,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:22,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:13:22,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:13:22,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:13:22,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 03:13:22,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:13:22,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:13:22,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:13:22,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:13:22,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:13:22,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 03:13:22,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:13:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:13:22,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:22,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:13:22,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 03:13:22,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:13:22,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-14 03:13:22,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:13:22,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:13:22,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:13:22,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:13:22,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 03:13:22,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-14 03:13:22,764 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 51 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:13:22,765 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [773265873] [2020-10-14 03:13:22,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:13:22,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:13:22,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417428889] [2020-10-14 03:13:22,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:13:22,769 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:13:22,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:13:22,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:13:22,770 INFO L87 Difference]: Start difference. First operand 560 states and 855 transitions. Second operand 5 states. [2020-10-14 03:13:24,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:13:24,539 INFO L93 Difference]: Finished difference Result 1670 states and 2581 transitions. [2020-10-14 03:13:24,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:13:24,542 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 128 [2020-10-14 03:13:24,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:13:24,551 INFO L225 Difference]: With dead ends: 1670 [2020-10-14 03:13:24,552 INFO L226 Difference]: Without dead ends: 1116 [2020-10-14 03:13:24,555 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 03:13:24,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-10-14 03:13:24,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 930. [2020-10-14 03:13:24,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 930 states. [2020-10-14 03:13:24,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 930 states and 1308 transitions. [2020-10-14 03:13:24,608 INFO L78 Accepts]: Start accepts. Automaton has 930 states and 1308 transitions. Word has length 128 [2020-10-14 03:13:24,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:13:24,609 INFO L479 AbstractCegarLoop]: Abstraction has 930 states and 1308 transitions. [2020-10-14 03:13:24,610 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:13:24,610 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1308 transitions. [2020-10-14 03:13:24,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-14 03:13:24,616 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:13:24,616 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:13:24,616 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 03:13:24,617 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:13:24,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:13:24,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1091765986, now seen corresponding path program 1 times [2020-10-14 03:13:24,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:13:24,618 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [145226227] [2020-10-14 03:13:24,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:13:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:13:24,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:24,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:24,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:25,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:27,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:29,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:13:29,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-14 03:13:29,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:13:29,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4949 [2020-10-14 03:13:29,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:13:29,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:13:29,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:13:29,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 03:13:29,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 03:13:29,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:13:29,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:13:29,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:13:29,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:29,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:13:29,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:13:29,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:13:29,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:13:29,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:13:29,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:13:29,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:13:29,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:13:29,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:13:29,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:13:29,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:13:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:13:29,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:29,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:13:29,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 03:13:29,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:13:29,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 03:13:29,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:13:29,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:13:29,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:13:29,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:13:29,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 03:13:29,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:13:29,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 03:13:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:13:29,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:30,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:13:30,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 03:13:30,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:13:30,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-14 03:13:30,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:13:30,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:13:30,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:13:30,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:13:30,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 03:13:30,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:13:30,166 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 170 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:13:30,167 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [145226227] [2020-10-14 03:13:30,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:13:30,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:13:30,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727213410] [2020-10-14 03:13:30,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:13:30,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:13:30,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:13:30,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:13:30,169 INFO L87 Difference]: Start difference. First operand 930 states and 1308 transitions. Second operand 7 states. [2020-10-14 03:13:32,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:13:32,291 INFO L93 Difference]: Finished difference Result 2244 states and 3204 transitions. [2020-10-14 03:13:32,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:13:32,292 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 211 [2020-10-14 03:13:32,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:13:32,306 INFO L225 Difference]: With dead ends: 2244 [2020-10-14 03:13:32,306 INFO L226 Difference]: Without dead ends: 1134 [2020-10-14 03:13:32,310 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:13:32,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1134 states. [2020-10-14 03:13:32,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 1116. [2020-10-14 03:13:32,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-10-14 03:13:32,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1270 transitions. [2020-10-14 03:13:32,371 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1270 transitions. Word has length 211 [2020-10-14 03:13:32,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:13:32,372 INFO L479 AbstractCegarLoop]: Abstraction has 1116 states and 1270 transitions. [2020-10-14 03:13:32,372 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:13:32,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1270 transitions. [2020-10-14 03:13:32,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2020-10-14 03:13:32,388 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:13:32,388 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:13:32,389 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 03:13:32,390 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:13:32,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:13:32,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1923266757, now seen corresponding path program 1 times [2020-10-14 03:13:32,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:13:32,392 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2027699911] [2020-10-14 03:13:32,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:13:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:13:32,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:32,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:33,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:34,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:35,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:37,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:13:37,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 330 [2020-10-14 03:13:37,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:13:37,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-14 03:13:37,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:13:37,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:13:37,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:13:37,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 189 [2020-10-14 03:13:37,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 03:13:37,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:13:37,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:13:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:13:37,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:37,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:13:37,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:13:37,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:13:37,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:13:37,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:13:37,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:13:37,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:13:37,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:13:37,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:13:37,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:13:37,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:13:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:13:37,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:37,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:13:37,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:13:37,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:13:37,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-14 03:13:37,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:13:37,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:13:37,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:13:37,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:13:37,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-14 03:13:37,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:13:37,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:13:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:13:37,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:37,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:13:37,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 03:13:37,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:13:37,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-14 03:13:37,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:13:37,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:13:37,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:13:37,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:13:37,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 03:13:37,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:13:38,126 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 181 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:13:38,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2027699911] [2020-10-14 03:13:38,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:13:38,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:13:38,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131106441] [2020-10-14 03:13:38,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:13:38,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:13:38,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:13:38,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:13:38,132 INFO L87 Difference]: Start difference. First operand 1116 states and 1270 transitions. Second operand 7 states. [2020-10-14 03:13:39,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:13:39,755 INFO L93 Difference]: Finished difference Result 2998 states and 3515 transitions. [2020-10-14 03:13:39,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:13:39,756 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 318 [2020-10-14 03:13:39,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:13:39,766 INFO L225 Difference]: With dead ends: 2998 [2020-10-14 03:13:39,767 INFO L226 Difference]: Without dead ends: 1888 [2020-10-14 03:13:39,770 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:13:39,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1888 states. [2020-10-14 03:13:39,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1888 to 1682. [2020-10-14 03:13:39,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1682 states. [2020-10-14 03:13:39,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 1954 transitions. [2020-10-14 03:13:39,828 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 1954 transitions. Word has length 318 [2020-10-14 03:13:39,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:13:39,829 INFO L479 AbstractCegarLoop]: Abstraction has 1682 states and 1954 transitions. [2020-10-14 03:13:39,829 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:13:39,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 1954 transitions. [2020-10-14 03:13:39,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2020-10-14 03:13:39,835 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:13:39,836 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:13:39,836 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 03:13:39,836 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:13:39,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:13:39,837 INFO L82 PathProgramCache]: Analyzing trace with hash -2067872670, now seen corresponding path program 1 times [2020-10-14 03:13:39,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:13:39,837 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1349823574] [2020-10-14 03:13:39,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:13:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:13:39,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:39,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:40,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:40,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:44,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:13:44,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 333 [2020-10-14 03:13:44,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:13:44,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 03:13:44,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:13:44,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:13:44,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:13:44,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 189 [2020-10-14 03:13:44,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 03:13:44,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:13:45,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:13:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:13:45,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:45,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:13:45,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:13:45,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:13:45,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 03:13:45,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:13:45,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:13:45,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:13:45,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:13:45,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:13:45,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:13:45,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:13:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:13:45,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:45,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:13:45,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:13:45,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:13:45,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-14 03:13:45,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:13:45,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:13:45,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:13:45,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:13:45,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-14 03:13:45,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:13:45,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:13:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:13:45,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:45,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:13:45,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 03:13:45,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:13:45,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-14 03:13:45,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:13:45,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:13:45,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:13:45,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:13:45,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 03:13:45,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:13:45,718 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 184 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:13:45,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1349823574] [2020-10-14 03:13:45,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:13:45,719 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:13:45,719 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500419734] [2020-10-14 03:13:45,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:13:45,720 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:13:45,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:13:45,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:13:45,721 INFO L87 Difference]: Start difference. First operand 1682 states and 1954 transitions. Second operand 7 states. [2020-10-14 03:13:47,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:13:47,403 INFO L93 Difference]: Finished difference Result 4168 states and 5048 transitions. [2020-10-14 03:13:47,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:13:47,404 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 321 [2020-10-14 03:13:47,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:13:47,422 INFO L225 Difference]: With dead ends: 4168 [2020-10-14 03:13:47,423 INFO L226 Difference]: Without dead ends: 2302 [2020-10-14 03:13:47,430 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-14 03:13:47,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2302 states. [2020-10-14 03:13:47,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2302 to 2058. [2020-10-14 03:13:47,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2058 states. [2020-10-14 03:13:47,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2058 states to 2058 states and 2382 transitions. [2020-10-14 03:13:47,510 INFO L78 Accepts]: Start accepts. Automaton has 2058 states and 2382 transitions. Word has length 321 [2020-10-14 03:13:47,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:13:47,511 INFO L479 AbstractCegarLoop]: Abstraction has 2058 states and 2382 transitions. [2020-10-14 03:13:47,511 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:13:47,511 INFO L276 IsEmpty]: Start isEmpty. Operand 2058 states and 2382 transitions. [2020-10-14 03:13:47,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2020-10-14 03:13:47,521 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:13:47,521 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:13:47,522 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 03:13:47,522 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:13:47,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:13:47,523 INFO L82 PathProgramCache]: Analyzing trace with hash 419254833, now seen corresponding path program 1 times [2020-10-14 03:13:47,523 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:13:47,523 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [165652657] [2020-10-14 03:13:47,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:13:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:13:47,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:47,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:49,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:49,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:52,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:13:52,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 336 [2020-10-14 03:13:52,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:13:52,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 03:13:52,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:13:52,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:13:52,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:13:52,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 277 [2020-10-14 03:13:52,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-14 03:13:52,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:13:52,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:13:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:13:52,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:52,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:13:52,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:13:52,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:13:52,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:13:52,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:13:52,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:13:52,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:13:52,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:13:52,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:13:52,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:13:52,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:13:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:13:52,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:52,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:13:52,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:13:52,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:13:52,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 03:13:52,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:13:52,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:13:52,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:13:52,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:13:52,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:13:52,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:13:52,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:13:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:13:52,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:52,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:13:52,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:13:52,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:13:52,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 03:13:52,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:13:52,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:13:52,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:13:52,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:13:52,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 03:13:52,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-14 03:13:53,015 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 105 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-14 03:13:53,016 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [165652657] [2020-10-14 03:13:53,017 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:13:53,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:13:53,018 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749331197] [2020-10-14 03:13:53,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:13:53,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:13:53,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:13:53,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:13:53,019 INFO L87 Difference]: Start difference. First operand 2058 states and 2382 transitions. Second operand 5 states. [2020-10-14 03:13:54,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:13:54,392 INFO L93 Difference]: Finished difference Result 2624 states and 3115 transitions. [2020-10-14 03:13:54,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:13:54,393 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 324 [2020-10-14 03:13:54,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:13:54,406 INFO L225 Difference]: With dead ends: 2624 [2020-10-14 03:13:54,407 INFO L226 Difference]: Without dead ends: 2622 [2020-10-14 03:13:54,408 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:13:54,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2622 states. [2020-10-14 03:13:54,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2622 to 1876. [2020-10-14 03:13:54,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1876 states. [2020-10-14 03:13:54,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1876 states and 2150 transitions. [2020-10-14 03:13:54,478 INFO L78 Accepts]: Start accepts. Automaton has 1876 states and 2150 transitions. Word has length 324 [2020-10-14 03:13:54,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:13:54,479 INFO L479 AbstractCegarLoop]: Abstraction has 1876 states and 2150 transitions. [2020-10-14 03:13:54,479 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:13:54,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2150 transitions. [2020-10-14 03:13:54,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-10-14 03:13:54,486 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:13:54,486 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:13:54,487 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 03:13:54,487 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:13:54,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:13:54,487 INFO L82 PathProgramCache]: Analyzing trace with hash 1019540381, now seen corresponding path program 1 times [2020-10-14 03:13:54,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:13:54,488 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2146674948] [2020-10-14 03:13:54,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:13:54,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:13:54,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:54,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:55,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:57,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:59,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:13:59,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 342 [2020-10-14 03:13:59,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:13:59,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4639 [2020-10-14 03:13:59,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:13:59,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:13:59,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:13:59,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 283 [2020-10-14 03:13:59,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-14 03:13:59,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:13:59,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:13:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:13:59,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:59,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:13:59,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:13:59,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:13:59,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:13:59,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:13:59,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:13:59,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:13:59,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:13:59,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:13:59,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:13:59,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:13:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:13:59,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:59,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:13:59,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:13:59,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:13:59,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 03:13:59,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:13:59,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:13:59,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:13:59,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:13:59,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:13:59,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:13:59,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:13:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:13:59,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:13:59,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:13:59,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-14 03:13:59,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:13:59,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-14 03:13:59,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:13:59,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:13:59,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:13:59,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:13:59,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 03:13:59,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:13:59,603 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 105 proven. 2 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-10-14 03:13:59,604 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2146674948] [2020-10-14 03:13:59,604 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:13:59,604 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:13:59,605 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078072352] [2020-10-14 03:13:59,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:13:59,606 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:13:59,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:13:59,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:13:59,607 INFO L87 Difference]: Start difference. First operand 1876 states and 2150 transitions. Second operand 5 states. [2020-10-14 03:14:00,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:14:00,767 INFO L93 Difference]: Finished difference Result 4492 states and 5246 transitions. [2020-10-14 03:14:00,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:14:00,768 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 330 [2020-10-14 03:14:00,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:14:00,780 INFO L225 Difference]: With dead ends: 4492 [2020-10-14 03:14:00,780 INFO L226 Difference]: Without dead ends: 2436 [2020-10-14 03:14:00,786 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:14:00,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2436 states. [2020-10-14 03:14:00,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2436 to 2242. [2020-10-14 03:14:00,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2242 states. [2020-10-14 03:14:00,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 2242 states and 2563 transitions. [2020-10-14 03:14:00,848 INFO L78 Accepts]: Start accepts. Automaton has 2242 states and 2563 transitions. Word has length 330 [2020-10-14 03:14:00,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:14:00,849 INFO L479 AbstractCegarLoop]: Abstraction has 2242 states and 2563 transitions. [2020-10-14 03:14:00,849 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:14:00,849 INFO L276 IsEmpty]: Start isEmpty. Operand 2242 states and 2563 transitions. [2020-10-14 03:14:00,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2020-10-14 03:14:00,858 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:14:00,859 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:14:00,859 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 03:14:00,859 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:14:00,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:14:00,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1316794763, now seen corresponding path program 1 times [2020-10-14 03:14:00,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:14:00,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1147180149] [2020-10-14 03:14:00,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:14:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:01,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:01,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:01,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:02,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:04,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:04,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 354 [2020-10-14 03:14:04,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:14:04,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3482 [2020-10-14 03:14:04,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:04,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:04,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:14:04,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 295 [2020-10-14 03:14:04,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-14 03:14:04,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:04,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:14:04,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:04,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:04,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:04,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:14:04,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:04,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:14:04,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:04,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:04,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:14:04,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:14:04,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:14:04,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:14:04,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:14:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:04,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:04,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:04,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:14:04,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:04,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 03:14:04,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:04,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:04,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:14:04,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:14:04,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:14:04,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:14:04,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:14:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:04,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:04,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:04,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-14 03:14:04,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:04,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 03:14:04,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:04,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:04,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:14:04,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:14:04,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-14 03:14:04,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:04,748 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 105 proven. 2 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2020-10-14 03:14:04,749 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1147180149] [2020-10-14 03:14:04,749 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:14:04,749 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:14:04,749 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537668503] [2020-10-14 03:14:04,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:14:04,750 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:14:04,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:14:04,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:14:04,751 INFO L87 Difference]: Start difference. First operand 2242 states and 2563 transitions. Second operand 5 states. [2020-10-14 03:14:05,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:14:05,986 INFO L93 Difference]: Finished difference Result 4668 states and 5333 transitions. [2020-10-14 03:14:05,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:14:05,986 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 342 [2020-10-14 03:14:05,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:14:05,996 INFO L225 Difference]: With dead ends: 4668 [2020-10-14 03:14:05,997 INFO L226 Difference]: Without dead ends: 2248 [2020-10-14 03:14:06,003 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:14:06,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2248 states. [2020-10-14 03:14:06,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2248 to 2058. [2020-10-14 03:14:06,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2058 states. [2020-10-14 03:14:06,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2058 states to 2058 states and 2248 transitions. [2020-10-14 03:14:06,061 INFO L78 Accepts]: Start accepts. Automaton has 2058 states and 2248 transitions. Word has length 342 [2020-10-14 03:14:06,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:14:06,062 INFO L479 AbstractCegarLoop]: Abstraction has 2058 states and 2248 transitions. [2020-10-14 03:14:06,062 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:14:06,062 INFO L276 IsEmpty]: Start isEmpty. Operand 2058 states and 2248 transitions. [2020-10-14 03:14:06,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2020-10-14 03:14:06,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:14:06,075 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 03:14:06,076 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 03:14:06,076 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:14:06,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:14:06,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1493023479, now seen corresponding path program 1 times [2020-10-14 03:14:06,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:14:06,077 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1771978694] [2020-10-14 03:14:06,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:14:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:06,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:06,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:06,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:09,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:11,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:11,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 484 [2020-10-14 03:14:11,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:14:11,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 03:14:11,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:11,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:11,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:14:11,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 270 [2020-10-14 03:14:11,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 156 [2020-10-14 03:14:11,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:11,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:14:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:11,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:11,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:11,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:14:11,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:11,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:14:11,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:11,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:11,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:14:11,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:14:11,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:14:11,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:11,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:14:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:11,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:11,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:11,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:14:11,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:11,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 03:14:11,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:11,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:11,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:14:11,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:14:11,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:14:11,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:14:11,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:14:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:11,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:11,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:11,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 03:14:11,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:11,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 03:14:11,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:11,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:11,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:14:11,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:14:11,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 03:14:11,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:14:11,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-10-14 03:14:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:11,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:11,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:11,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-14 03:14:11,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:11,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-14 03:14:11,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:11,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:11,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:14:11,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:14:11,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 03:14:11,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:11,787 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 387 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-14 03:14:11,787 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1771978694] [2020-10-14 03:14:11,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:14:11,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:14:11,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951921127] [2020-10-14 03:14:11,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:14:11,790 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:14:11,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:14:11,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:14:11,791 INFO L87 Difference]: Start difference. First operand 2058 states and 2248 transitions. Second operand 7 states. [2020-10-14 03:14:14,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:14:14,083 INFO L93 Difference]: Finished difference Result 5856 states and 6693 transitions. [2020-10-14 03:14:14,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 03:14:14,091 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 470 [2020-10-14 03:14:14,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:14:14,109 INFO L225 Difference]: With dead ends: 5856 [2020-10-14 03:14:14,110 INFO L226 Difference]: Without dead ends: 3426 [2020-10-14 03:14:14,119 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 1 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 03:14:14,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3426 states. [2020-10-14 03:14:14,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3426 to 3176. [2020-10-14 03:14:14,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3176 states. [2020-10-14 03:14:14,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3176 states to 3176 states and 3444 transitions. [2020-10-14 03:14:14,220 INFO L78 Accepts]: Start accepts. Automaton has 3176 states and 3444 transitions. Word has length 470 [2020-10-14 03:14:14,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:14:14,221 INFO L479 AbstractCegarLoop]: Abstraction has 3176 states and 3444 transitions. [2020-10-14 03:14:14,221 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:14:14,221 INFO L276 IsEmpty]: Start isEmpty. Operand 3176 states and 3444 transitions. [2020-10-14 03:14:14,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2020-10-14 03:14:14,234 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:14:14,234 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 03:14:14,235 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 03:14:14,235 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:14:14,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:14:14,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1644370862, now seen corresponding path program 1 times [2020-10-14 03:14:14,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:14:14,237 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1628187166] [2020-10-14 03:14:14,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:14:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:14,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:14,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:14,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:15,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:19,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:19,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 491 [2020-10-14 03:14:19,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:14:19,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 03:14:19,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:19,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:19,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:14:19,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 277 [2020-10-14 03:14:19,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 156 [2020-10-14 03:14:19,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:19,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:14:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:19,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:19,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:19,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:14:19,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:19,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:14:19,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:19,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:19,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:14:19,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:14:19,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:14:19,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:14:19,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:14:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:19,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:19,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:19,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:14:19,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:19,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 03:14:19,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:19,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:19,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:14:19,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:14:19,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:14:19,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:19,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:14:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:19,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:19,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:19,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:14:19,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:19,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 03:14:19,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:19,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:19,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:14:19,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:14:19,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 03:14:19,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:19,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2020-10-14 03:14:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:19,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:19,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:19,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-14 03:14:19,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:19,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-14 03:14:19,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:19,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:19,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:14:19,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:14:19,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 03:14:19,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:19,949 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 394 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-14 03:14:19,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1628187166] [2020-10-14 03:14:19,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:14:19,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 03:14:19,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392770488] [2020-10-14 03:14:19,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 03:14:19,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:14:19,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 03:14:19,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:14:19,952 INFO L87 Difference]: Start difference. First operand 3176 states and 3444 transitions. Second operand 8 states. [2020-10-14 03:14:22,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:14:22,031 INFO L93 Difference]: Finished difference Result 6916 states and 7584 transitions. [2020-10-14 03:14:22,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 03:14:22,032 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 477 [2020-10-14 03:14:22,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:14:22,043 INFO L225 Difference]: With dead ends: 6916 [2020-10-14 03:14:22,043 INFO L226 Difference]: Without dead ends: 3372 [2020-10-14 03:14:22,051 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-14 03:14:22,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3372 states. [2020-10-14 03:14:22,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3372 to 2794. [2020-10-14 03:14:22,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2794 states. [2020-10-14 03:14:22,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2794 states to 2794 states and 2925 transitions. [2020-10-14 03:14:22,124 INFO L78 Accepts]: Start accepts. Automaton has 2794 states and 2925 transitions. Word has length 477 [2020-10-14 03:14:22,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:14:22,125 INFO L479 AbstractCegarLoop]: Abstraction has 2794 states and 2925 transitions. [2020-10-14 03:14:22,125 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 03:14:22,125 INFO L276 IsEmpty]: Start isEmpty. Operand 2794 states and 2925 transitions. [2020-10-14 03:14:22,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2020-10-14 03:14:22,135 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:14:22,135 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 03:14:22,136 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 03:14:22,136 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:14:22,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:14:22,136 INFO L82 PathProgramCache]: Analyzing trace with hash -1043334638, now seen corresponding path program 1 times [2020-10-14 03:14:22,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:14:22,137 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1590947179] [2020-10-14 03:14:22,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:14:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:22,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:22,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:22,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:23,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:27,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:27,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 523 [2020-10-14 03:14:27,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:14:27,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 03:14:27,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:27,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:27,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:14:27,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 309 [2020-10-14 03:14:27,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 156 [2020-10-14 03:14:27,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:27,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:14:27,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:27,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:27,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:27,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:14:27,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:27,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:14:27,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:27,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:27,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:14:27,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:14:27,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:14:27,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:27,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:14:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:27,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:27,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:27,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:14:27,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:27,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 03:14:27,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:27,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:27,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:14:27,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:14:27,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:14:27,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:27,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:14:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:27,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:27,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:27,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:14:27,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:27,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 03:14:27,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:27,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:27,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:14:27,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:14:27,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 03:14:27,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:27,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2020-10-14 03:14:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:27,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:27,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:27,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-14 03:14:27,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:27,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-14 03:14:27,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:27,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:27,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:14:27,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:14:27,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 03:14:27,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:27,790 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 426 proven. 2 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2020-10-14 03:14:27,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1590947179] [2020-10-14 03:14:27,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:14:27,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:14:27,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713043616] [2020-10-14 03:14:27,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:14:27,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:14:27,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:14:27,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:14:27,794 INFO L87 Difference]: Start difference. First operand 2794 states and 2925 transitions. Second operand 7 states. [2020-10-14 03:14:29,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:14:29,126 INFO L93 Difference]: Finished difference Result 6130 states and 6429 transitions. [2020-10-14 03:14:29,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:14:29,127 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 509 [2020-10-14 03:14:29,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:14:29,135 INFO L225 Difference]: With dead ends: 6130 [2020-10-14 03:14:29,136 INFO L226 Difference]: Without dead ends: 3346 [2020-10-14 03:14:29,143 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 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 03:14:29,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3346 states. [2020-10-14 03:14:29,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3346 to 2976. [2020-10-14 03:14:29,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2976 states. [2020-10-14 03:14:29,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2976 states to 2976 states and 3113 transitions. [2020-10-14 03:14:29,205 INFO L78 Accepts]: Start accepts. Automaton has 2976 states and 3113 transitions. Word has length 509 [2020-10-14 03:14:29,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:14:29,205 INFO L479 AbstractCegarLoop]: Abstraction has 2976 states and 3113 transitions. [2020-10-14 03:14:29,205 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:14:29,206 INFO L276 IsEmpty]: Start isEmpty. Operand 2976 states and 3113 transitions. [2020-10-14 03:14:29,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 683 [2020-10-14 03:14:29,217 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:14:29,217 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:14:29,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 03:14:29,218 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:14:29,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:14:29,218 INFO L82 PathProgramCache]: Analyzing trace with hash 281104729, now seen corresponding path program 1 times [2020-10-14 03:14:29,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:14:29,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1378921786] [2020-10-14 03:14:29,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:14:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:29,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:29,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:29,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:32,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:33,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:34,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:34,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 698 [2020-10-14 03:14:34,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:14:34,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 03:14:34,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:34,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:34,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:14:34,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-14 03:14:34,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:14:34,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:34,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:14:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:34,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:34,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:34,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:14:34,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:34,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:14:34,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:34,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:34,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:14:34,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:14:34,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:14:34,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:34,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:14:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:34,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:34,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:34,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:14:34,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:34,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-14 03:14:34,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:34,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:34,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:14:34,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:14:34,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 03:14:34,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:34,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 03:14:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:34,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:34,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:34,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:14:34,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:34,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 272 [2020-10-14 03:14:34,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:34,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:34,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:14:34,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:14:34,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:14:34,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:34,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2020-10-14 03:14:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:34,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:35,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:35,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 03:14:35,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:35,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-14 03:14:35,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:35,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:35,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:14:35,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-10-14 03:14:35,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:14:35,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:14:35,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2020-10-14 03:14:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:35,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:35,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:35,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-14 03:14:35,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:35,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-14 03:14:35,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:35,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:35,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:14:35,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 151 [2020-10-14 03:14:35,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:14:35,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:35,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 322 proven. 328 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2020-10-14 03:14:35,452 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1378921786] [2020-10-14 03:14:35,452 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:14:35,452 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:14:35,453 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543596781] [2020-10-14 03:14:35,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:14:35,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:14:35,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:14:35,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:14:35,454 INFO L87 Difference]: Start difference. First operand 2976 states and 3113 transitions. Second operand 7 states. [2020-10-14 03:14:36,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:14:36,770 INFO L93 Difference]: Finished difference Result 6692 states and 7032 transitions. [2020-10-14 03:14:36,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:14:36,771 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 682 [2020-10-14 03:14:36,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:14:36,784 INFO L225 Difference]: With dead ends: 6692 [2020-10-14 03:14:36,784 INFO L226 Difference]: Without dead ends: 3904 [2020-10-14 03:14:36,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:14:36,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3904 states. [2020-10-14 03:14:36,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3904 to 3714. [2020-10-14 03:14:36,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3714 states. [2020-10-14 03:14:36,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3714 states to 3714 states and 3889 transitions. [2020-10-14 03:14:36,865 INFO L78 Accepts]: Start accepts. Automaton has 3714 states and 3889 transitions. Word has length 682 [2020-10-14 03:14:36,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:14:36,866 INFO L479 AbstractCegarLoop]: Abstraction has 3714 states and 3889 transitions. [2020-10-14 03:14:36,866 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:14:36,866 INFO L276 IsEmpty]: Start isEmpty. Operand 3714 states and 3889 transitions. [2020-10-14 03:14:36,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 860 [2020-10-14 03:14:36,882 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:14:36,883 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:14:36,883 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 03:14:36,883 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:14:36,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:14:36,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1701016634, now seen corresponding path program 1 times [2020-10-14 03:14:36,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:14:36,885 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1551197079] [2020-10-14 03:14:36,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:14:36,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:37,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:37,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:37,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:37,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:42,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:42,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 877 [2020-10-14 03:14:42,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:14:42,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045 [2020-10-14 03:14:42,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:42,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:42,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:14:42,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 298 [2020-10-14 03:14:42,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:14:42,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:42,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:14:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:42,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:42,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:42,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:14:42,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:42,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:14:42,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:42,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:42,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:14:42,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:14:42,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:14:42,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:42,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:14:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:42,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:42,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:42,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:14:42,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:42,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 03:14:42,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:42,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:42,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:14:42,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:14:42,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:14:42,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:42,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 03:14:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:42,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:42,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:42,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:14:42,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:42,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-14 03:14:42,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:42,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:42,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:14:42,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:14:42,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 172 [2020-10-14 03:14:42,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:42,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2020-10-14 03:14:42,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:42,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:42,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:42,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:14:42,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:42,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-14 03:14:42,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:42,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:42,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:14:42,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:14:42,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:14:42,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:42,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2020-10-14 03:14:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:42,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:42,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:42,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 03:14:42,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:42,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 03:14:42,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:42,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:42,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:14:42,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-10-14 03:14:42,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:14:42,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:42,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2020-10-14 03:14:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:42,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:42,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:42,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-14 03:14:42,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:42,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 03:14:42,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:42,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:42,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:14:42,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 151 [2020-10-14 03:14:42,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:14:42,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:43,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1688 backedges. 561 proven. 328 refuted. 0 times theorem prover too weak. 799 trivial. 0 not checked. [2020-10-14 03:14:43,076 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1551197079] [2020-10-14 03:14:43,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:14:43,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:14:43,077 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37873863] [2020-10-14 03:14:43,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:14:43,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:14:43,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:14:43,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:14:43,078 INFO L87 Difference]: Start difference. First operand 3714 states and 3889 transitions. Second operand 7 states. [2020-10-14 03:14:44,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:14:44,312 INFO L93 Difference]: Finished difference Result 7614 states and 7996 transitions. [2020-10-14 03:14:44,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:14:44,313 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 859 [2020-10-14 03:14:44,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:14:44,323 INFO L225 Difference]: With dead ends: 7614 [2020-10-14 03:14:44,323 INFO L226 Difference]: Without dead ends: 4088 [2020-10-14 03:14:44,329 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:14:44,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4088 states. [2020-10-14 03:14:44,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4088 to 3898. [2020-10-14 03:14:44,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3898 states. [2020-10-14 03:14:44,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3898 states to 3898 states and 4085 transitions. [2020-10-14 03:14:44,391 INFO L78 Accepts]: Start accepts. Automaton has 3898 states and 4085 transitions. Word has length 859 [2020-10-14 03:14:44,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:14:44,392 INFO L479 AbstractCegarLoop]: Abstraction has 3898 states and 4085 transitions. [2020-10-14 03:14:44,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:14:44,392 INFO L276 IsEmpty]: Start isEmpty. Operand 3898 states and 4085 transitions. [2020-10-14 03:14:44,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 936 [2020-10-14 03:14:44,408 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:14:44,409 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:14:44,409 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 03:14:44,410 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:14:44,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:14:44,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1410205506, now seen corresponding path program 1 times [2020-10-14 03:14:44,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:14:44,411 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [534863314] [2020-10-14 03:14:44,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:14:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:44,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:44,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:45,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:45,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:49,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:49,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 955 [2020-10-14 03:14:49,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:14:49,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-14 03:14:49,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:49,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:49,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:14:49,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-14 03:14:49,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:14:49,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:49,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:14:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:49,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:49,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:49,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:14:49,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:49,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:14:49,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:49,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:49,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:14:49,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:14:49,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:14:49,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:49,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:14:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:49,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:49,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:49,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:14:49,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:49,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 03:14:49,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:49,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:49,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:14:49,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:14:49,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 03:14:49,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:49,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 03:14:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:49,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:49,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:49,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:14:49,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:49,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-14 03:14:49,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:49,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:49,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:14:49,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:14:49,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 03:14:49,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:49,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2020-10-14 03:14:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:49,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:49,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:49,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:14:49,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:49,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 03:14:49,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:49,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:49,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:14:49,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 03:14:49,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:14:49,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:50,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2020-10-14 03:14:50,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:50,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:50,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:50,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:14:50,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:50,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-14 03:14:50,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:50,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:50,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:14:50,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 03:14:50,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:14:50,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:50,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2020-10-14 03:14:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:50,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:50,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:50,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 03:14:50,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:50,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 03:14:50,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:50,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:50,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:14:50,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-10-14 03:14:50,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:14:50,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:50,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2020-10-14 03:14:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:50,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:50,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:50,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-14 03:14:50,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:50,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-14 03:14:50,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:50,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:50,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:14:50,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 151 [2020-10-14 03:14:50,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:14:50,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:14:50,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2120 backedges. 434 proven. 573 refuted. 0 times theorem prover too weak. 1113 trivial. 0 not checked. [2020-10-14 03:14:50,918 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [534863314] [2020-10-14 03:14:50,918 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:14:50,918 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:14:50,919 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434077124] [2020-10-14 03:14:50,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:14:50,920 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:14:50,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:14:50,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:14:50,920 INFO L87 Difference]: Start difference. First operand 3898 states and 4085 transitions. Second operand 7 states. [2020-10-14 03:14:52,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:14:52,112 INFO L93 Difference]: Finished difference Result 7792 states and 8171 transitions. [2020-10-14 03:14:52,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 03:14:52,113 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 935 [2020-10-14 03:14:52,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:14:52,122 INFO L225 Difference]: With dead ends: 7792 [2020-10-14 03:14:52,122 INFO L226 Difference]: Without dead ends: 3896 [2020-10-14 03:14:52,130 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-14 03:14:52,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3896 states. [2020-10-14 03:14:52,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3896 to 3896. [2020-10-14 03:14:52,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3896 states. [2020-10-14 03:14:52,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3896 states to 3896 states and 4056 transitions. [2020-10-14 03:14:52,202 INFO L78 Accepts]: Start accepts. Automaton has 3896 states and 4056 transitions. Word has length 935 [2020-10-14 03:14:52,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:14:52,203 INFO L479 AbstractCegarLoop]: Abstraction has 3896 states and 4056 transitions. [2020-10-14 03:14:52,203 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:14:52,203 INFO L276 IsEmpty]: Start isEmpty. Operand 3896 states and 4056 transitions. [2020-10-14 03:14:52,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1069 [2020-10-14 03:14:52,224 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:14:52,225 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:14:52,225 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 03:14:52,225 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:14:52,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:14:52,226 INFO L82 PathProgramCache]: Analyzing trace with hash -330818879, now seen corresponding path program 1 times [2020-10-14 03:14:52,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:14:52,226 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2082282409] [2020-10-14 03:14:52,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:14:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:52,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:52,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:55,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:56,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:57,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:57,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1090 [2020-10-14 03:14:57,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:14:57,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-14 03:14:57,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:57,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:57,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:14:57,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-14 03:14:57,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:14:57,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:57,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:14:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:57,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:57,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:57,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:14:57,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:57,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:14:57,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:57,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:57,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:14:57,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:14:57,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:14:57,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:57,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:14:57,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:57,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:57,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:57,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:14:57,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:57,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 03:14:57,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:57,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:57,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:14:57,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:14:57,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:14:57,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:57,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:14:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:57,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:57,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:57,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:14:57,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:57,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 03:14:57,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:57,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:57,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:14:57,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:14:57,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:14:57,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:57,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:14:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:57,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:57,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:57,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:14:57,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:57,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 03:14:57,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:57,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:57,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:14:57,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:14:57,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:14:57,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:57,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:14:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:57,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:57,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:57,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 03:14:57,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:57,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-14 03:14:57,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:57,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:57,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:14:57,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:14:57,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 03:14:57,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:57,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 03:14:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:57,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:57,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:57,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:14:57,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:57,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-14 03:14:57,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:57,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:57,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:14:57,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:14:57,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:14:57,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:58,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2020-10-14 03:14:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:58,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:58,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:58,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 03:14:58,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:58,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-14 03:14:58,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:58,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:58,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:14:58,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-10-14 03:14:58,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:14:58,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:58,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 864 [2020-10-14 03:14:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:58,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:58,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:58,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-14 03:14:58,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:58,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-14 03:14:58,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:58,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:58,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:14:58,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 151 [2020-10-14 03:14:58,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:14:58,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:14:58,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2992 backedges. 894 proven. 328 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2020-10-14 03:14:58,847 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2082282409] [2020-10-14 03:14:58,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:14:58,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:14:58,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077025553] [2020-10-14 03:14:58,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:14:58,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:14:58,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:14:58,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:14:58,849 INFO L87 Difference]: Start difference. First operand 3896 states and 4056 transitions. Second operand 7 states. [2020-10-14 03:15:00,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:15:00,134 INFO L93 Difference]: Finished difference Result 7792 states and 8121 transitions. [2020-10-14 03:15:00,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 03:15:00,135 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1068 [2020-10-14 03:15:00,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:15:00,147 INFO L225 Difference]: With dead ends: 7792 [2020-10-14 03:15:00,147 INFO L226 Difference]: Without dead ends: 4084 [2020-10-14 03:15:00,154 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:15:00,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4084 states. [2020-10-14 03:15:00,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4084 to 3896. [2020-10-14 03:15:00,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3896 states. [2020-10-14 03:15:00,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3896 states to 3896 states and 4054 transitions. [2020-10-14 03:15:00,224 INFO L78 Accepts]: Start accepts. Automaton has 3896 states and 4054 transitions. Word has length 1068 [2020-10-14 03:15:00,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:15:00,225 INFO L479 AbstractCegarLoop]: Abstraction has 3896 states and 4054 transitions. [2020-10-14 03:15:00,225 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:15:00,225 INFO L276 IsEmpty]: Start isEmpty. Operand 3896 states and 4054 transitions. [2020-10-14 03:15:00,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1244 [2020-10-14 03:15:00,250 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:15:00,251 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:15:00,251 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 03:15:00,252 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:15:00,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:15:00,252 INFO L82 PathProgramCache]: Analyzing trace with hash 990068822, now seen corresponding path program 1 times [2020-10-14 03:15:00,253 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:15:00,253 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [291406548] [2020-10-14 03:15:00,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:15:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:00,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:01,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:05,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:05,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:05,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1269 [2020-10-14 03:15:05,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:15:05,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5071 [2020-10-14 03:15:05,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:05,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:05,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:05,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1210 [2020-10-14 03:15:05,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-14 03:15:05,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:05,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:15:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:05,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:05,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:05,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:15:05,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:05,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:15:05,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:05,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:05,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:05,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:05,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:05,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:05,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:15:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:05,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:05,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:05,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:15:05,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:05,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 03:15:05,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:05,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:05,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:05,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:05,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:05,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:05,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:15:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:05,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:05,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:05,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:15:05,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:05,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 03:15:05,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:05,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:05,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:05,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:05,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:05,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:05,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:15:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:05,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:06,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:06,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:15:06,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:06,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 03:15:06,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:06,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:06,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:06,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:06,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:06,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:06,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:15:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:06,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:06,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:06,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:15:06,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:06,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 03:15:06,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:06,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:06,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:06,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:06,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:06,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:06,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:15:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:06,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:06,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:06,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:15:06,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:06,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-14 03:15:06,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:06,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:06,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:06,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:06,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:06,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:06,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:15:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:06,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:06,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:06,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:15:06,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:06,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 03:15:06,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:06,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:06,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:06,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:06,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:06,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:06,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:15:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:06,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:06,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:06,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:15:06,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:06,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 03:15:06,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:06,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:06,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:06,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:06,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:06,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:06,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:15:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:06,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:06,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:06,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 03:15:06,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:06,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 03:15:06,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:06,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:06,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:06,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:06,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:06,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:06,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1039 [2020-10-14 03:15:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:06,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:06,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:06,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-14 03:15:06,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:06,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-14 03:15:06,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:06,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:06,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:15:06,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:06,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-10-14 03:15:06,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:07,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4307 backedges. 483 proven. 9 refuted. 0 times theorem prover too weak. 3815 trivial. 0 not checked. [2020-10-14 03:15:07,301 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [291406548] [2020-10-14 03:15:07,302 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:15:07,302 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:15:07,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885475979] [2020-10-14 03:15:07,303 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:15:07,303 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:15:07,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:15:07,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:15:07,304 INFO L87 Difference]: Start difference. First operand 3896 states and 4054 transitions. Second operand 5 states. [2020-10-14 03:15:08,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:15:08,475 INFO L93 Difference]: Finished difference Result 4080 states and 4249 transitions. [2020-10-14 03:15:08,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:15:08,480 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1243 [2020-10-14 03:15:08,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:15:08,481 INFO L225 Difference]: With dead ends: 4080 [2020-10-14 03:15:08,482 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 03:15:08,488 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:15:08,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 03:15:08,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 03:15:08,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 03:15:08,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 03:15:08,490 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1243 [2020-10-14 03:15:08,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:15:08,490 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 03:15:08,490 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:15:08,490 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 03:15:08,491 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 03:15:08,491 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 03:15:08,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 03:15:08,779 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 63 [2020-10-14 03:15:09,184 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 61 [2020-10-14 03:15:09,326 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 63 [2020-10-14 03:15:10,181 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 154 [2020-10-14 03:15:10,477 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 154 [2020-10-14 03:15:11,659 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 229 DAG size of output: 90 [2020-10-14 03:15:12,521 WARN L193 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 56 [2020-10-14 03:15:13,390 WARN L193 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 56 [2020-10-14 03:15:13,395 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 03:15:13,395 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-10-14 03:15:13,396 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 03:15:13,396 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-14 03:15:13,396 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-14 03:15:13,396 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,396 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,397 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,397 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-14 03:15:13,397 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 03:15:13,397 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 03:15:13,397 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 03:15:13,397 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-14 03:15:13,398 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-14 03:15:13,398 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-14 03:15:13,398 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-14 03:15:13,398 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,398 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,398 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,398 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-14 03:15:13,398 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-14 03:15:13,398 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 03:15:13,398 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 03:15:13,398 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 03:15:13,398 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-14 03:15:13,399 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-14 03:15:13,399 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-14 03:15:13,399 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,399 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,399 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,399 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-14 03:15:13,399 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 03:15:13,399 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 03:15:13,399 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 03:15:13,399 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-14 03:15:13,400 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-14 03:15:13,400 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-14 03:15:13,400 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-14 03:15:13,400 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-14 03:15:13,400 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,400 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,400 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,400 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-14 03:15:13,400 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 03:15:13,400 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 03:15:13,401 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 03:15:13,401 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-14 03:15:13,401 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-14 03:15:13,401 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-14 03:15:13,401 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,401 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,401 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,401 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-14 03:15:13,401 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 03:15:13,402 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 03:15:13,402 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 03:15:13,402 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-14 03:15:13,402 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-14 03:15:13,402 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-14 03:15:13,402 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-14 03:15:13,402 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-14 03:15:13,402 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,402 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,402 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,402 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,402 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-14 03:15:13,403 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 03:15:13,403 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 03:15:13,403 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 03:15:13,403 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-14 03:15:13,403 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-14 03:15:13,403 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-14 03:15:13,403 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-14 03:15:13,403 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,403 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,404 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,404 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 03:15:13,404 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 03:15:13,404 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 03:15:13,404 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-14 03:15:13,404 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-14 03:15:13,404 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-14 03:15:13,404 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-14 03:15:13,404 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-14 03:15:13,404 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,404 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,404 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,404 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-14 03:15:13,405 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-14 03:15:13,405 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 03:15:13,405 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 03:15:13,405 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 03:15:13,405 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-14 03:15:13,405 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse6 (= ~a24~0 |old(~a24~0)|)) (.cse8 (= ~a21~0 9)) (.cse9 (= ~a12~0 |old(~a12~0)|)) (.cse19 (= ~a15~0 |old(~a15~0)|))) (let ((.cse4 (not (= 8 |old(~a15~0)|))) (.cse7 (= ~a15~0 8)) (.cse3 (not (<= |old(~a21~0)| 6))) (.cse11 (not (<= |old(~a15~0)| 7))) (.cse12 (and .cse6 .cse8 .cse9 .cse19)) (.cse5 (not (= 9 |old(~a21~0)|))) (.cse2 (not (<= 10 |old(~a21~0)|))) (.cse0 (and .cse6 (= ~a21~0 |old(~a21~0)|) .cse9 .cse19)) (.cse10 (not (<= |old(~a12~0)| 75))) (.cse1 (not (<= 81 |old(~a12~0)|))) (.cse13 (not (<= 7 |old(~a21~0)|))) (.cse15 (<= ~a21~0 7)) (.cse16 (<= 7 ~a21~0)) (.cse14 (not (<= |old(~a21~0)| 7))) (.cse17 (not (<= |old(~a21~0)| 8))) (.cse18 (not (<= 7 |old(~a15~0)|)))) (and (or .cse0 (and (or .cse1 .cse2) (or .cse1 .cse3))) (or .cse4 .cse5 (and .cse6 .cse7 .cse8 .cse9) .cse10) (or .cse11 .cse12 .cse5) (or .cse4 .cse13 .cse14 (and .cse15 .cse16 .cse6 .cse7 .cse9) (not (<= |old(~a12~0)| 2))) (or .cse0 (and (or .cse11 .cse17 .cse18) (or .cse11 .cse3) (or .cse11 .cse2))) (or (not (<= 8 |old(~a21~0)|)) .cse0 .cse17) (or (not (= |old(~a24~0)| 1)) (and .cse15 .cse16 (= 5 ~a15~0) (= ~a24~0 1) .cse9) .cse13 (not (<= 58 |old(~a12~0)|)) .cse14 .cse10 (not (= 5 |old(~a15~0)|))) (or .cse1 .cse12 .cse5) (or .cse2 .cse0 .cse10) (or .cse1 .cse13 (and .cse15 .cse16 .cse6 .cse9 .cse19) .cse14 .cse17 .cse18)))) [2020-10-14 03:15:13,405 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-14 03:15:13,405 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-14 03:15:13,405 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,405 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,405 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,406 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 03:15:13,406 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 03:15:13,406 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 03:15:13,406 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-14 03:15:13,406 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-14 03:15:13,406 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-14 03:15:13,406 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-14 03:15:13,406 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-14 03:15:13,406 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,406 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,406 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,406 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-14 03:15:13,406 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-14 03:15:13,406 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 03:15:13,406 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 03:15:13,406 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 03:15:13,407 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-14 03:15:13,407 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-14 03:15:13,407 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-14 03:15:13,407 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,407 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,407 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,407 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-14 03:15:13,407 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 03:15:13,407 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 03:15:13,407 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 03:15:13,407 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-14 03:15:13,407 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-14 03:15:13,407 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-14 03:15:13,407 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-14 03:15:13,407 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,408 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,408 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,408 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-14 03:15:13,408 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 03:15:13,408 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 03:15:13,408 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 03:15:13,408 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-14 03:15:13,408 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-14 03:15:13,408 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-14 03:15:13,408 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-14 03:15:13,408 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,408 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,408 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-14 03:15:13,408 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 03:15:13,408 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 03:15:13,408 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-14 03:15:13,409 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-14 03:15:13,409 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-14 03:15:13,409 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-14 03:15:13,409 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-14 03:15:13,409 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 163) no Hoare annotation was computed. [2020-10-14 03:15:13,409 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,409 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,409 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-14 03:15:13,409 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 03:15:13,409 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 03:15:13,409 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-14 03:15:13,409 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-14 03:15:13,409 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-14 03:15:13,409 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,410 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,410 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-14 03:15:13,410 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-14 03:15:13,410 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 03:15:13,410 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 03:15:13,410 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-14 03:15:13,410 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-14 03:15:13,410 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-14 03:15:13,410 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-14 03:15:13,411 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,411 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,411 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-14 03:15:13,411 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-14 03:15:13,411 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 03:15:13,411 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 03:15:13,411 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-14 03:15:13,411 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-14 03:15:13,411 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-14 03:15:13,412 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,412 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,412 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,412 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-14 03:15:13,412 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-14 03:15:13,412 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 03:15:13,412 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 03:15:13,412 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-14 03:15:13,412 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-14 03:15:13,413 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,413 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,413 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 03:15:13,413 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,413 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-14 03:15:13,413 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-14 03:15:13,413 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-14 03:15:13,413 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 03:15:13,413 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 03:15:13,413 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 03:15:13,414 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-14 03:15:13,414 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-14 03:15:13,414 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-14 03:15:13,414 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-14 03:15:13,414 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,414 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,414 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,414 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-14 03:15:13,414 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 03:15:13,414 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 03:15:13,415 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 03:15:13,415 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-14 03:15:13,415 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-14 03:15:13,415 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-14 03:15:13,415 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-14 03:15:13,415 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,415 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,415 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,415 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-14 03:15:13,416 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-14 03:15:13,416 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 03:15:13,416 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 03:15:13,416 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 03:15:13,416 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-14 03:15:13,416 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-14 03:15:13,416 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-14 03:15:13,416 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,416 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,416 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,417 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-14 03:15:13,417 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 03:15:13,417 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 03:15:13,417 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 03:15:13,417 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-14 03:15:13,417 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-14 03:15:13,417 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-14 03:15:13,417 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-14 03:15:13,417 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-14 03:15:13,418 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,418 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,418 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:15:13,418 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-14 03:15:13,418 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 03:15:13,418 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 03:15:13,418 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 03:15:13,418 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-14 03:15:13,418 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 03:15:13,418 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a21~0 7) (<= 7 ~a21~0) (= ~a15~0 8) (<= (+ ~a12~0 43) 0)) [2020-10-14 03:15:13,419 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 03:15:13,419 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 03:15:13,419 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 8 |old(~a15~0)|)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a21~0)| 7)) (and (<= ~a21~0 7) (<= 7 ~a21~0) (= ~a24~0 |old(~a24~0)|) (= ~a15~0 8) (= ~a12~0 |old(~a12~0)|)) (not (<= (+ |old(~a12~0)| 43) 0))) [2020-10-14 03:15:13,419 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-14 03:15:13,419 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse1 (<= 10 ~a21~0)) (.cse0 (<= ~a12~0 75)) (.cse4 (= ~a15~0 8)) (.cse3 (= ~a21~0 9)) (.cse2 (<= ~a15~0 7)) (.cse5 (<= 7 ~a15~0))) (or (and (= 5 ~a15~0) (<= 58 ~a12~0) .cse0 (= ~a24~0 1)) (not (= 8 |old(~a15~0)|)) (not (<= |old(~a21~0)| 7)) (and .cse0 .cse1) (and .cse2 .cse1) (and .cse2 .cse3) (and (<= 8 ~a21~0) (<= ~a21~0 8)) (not (<= 7 |old(~a21~0)|)) (and (<= 7 ~a21~0) .cse4 (<= ~a12~0 2)) (and (<= 81 ~a12~0) .cse5) (and .cse0 .cse4 .cse3) (not (<= (+ |old(~a12~0)| 43) 0)) (and .cse2 (<= ~a21~0 6)) (and .cse2 .cse5))) [2020-10-14 03:15:13,419 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-14 03:15:13,419 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-14 03:15:13,420 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse1 (<= 10 ~a21~0)) (.cse0 (<= ~a12~0 75)) (.cse4 (= ~a15~0 8)) (.cse3 (= ~a21~0 9)) (.cse2 (<= ~a15~0 7)) (.cse5 (<= 7 ~a15~0))) (or (and (= 5 ~a15~0) (<= 58 ~a12~0) .cse0 (= ~a24~0 1)) (not (= 8 |old(~a15~0)|)) (not (<= |old(~a21~0)| 7)) (and .cse0 .cse1) (and .cse2 .cse1) (and .cse2 .cse3) (and (<= 8 ~a21~0) (<= ~a21~0 8)) (not (<= 7 |old(~a21~0)|)) (and (<= 7 ~a21~0) .cse4 (<= ~a12~0 2)) (and (<= 81 ~a12~0) .cse5) (and .cse0 .cse4 .cse3) (not (<= (+ |old(~a12~0)| 43) 0)) (and .cse2 (<= ~a21~0 6)) (and .cse2 .cse5))) [2020-10-14 03:15:13,420 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-14 03:15:13,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 03:15:13 BoogieIcfgContainer [2020-10-14 03:15:13,445 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 03:15:13,447 INFO L168 Benchmark]: Toolchain (without parser) took 118576.07 ms. Allocated memory was 147.3 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 101.4 MB in the beginning and 1.1 GB in the end (delta: -987.2 MB). Peak memory consumption was 926.5 MB. Max. memory is 7.1 GB. [2020-10-14 03:15:13,448 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.4 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-14 03:15:13,449 INFO L168 Benchmark]: CACSL2BoogieTranslator took 822.13 ms. Allocated memory was 147.3 MB in the beginning and 206.6 MB in the end (delta: 59.2 MB). Free memory was 101.0 MB in the beginning and 169.5 MB in the end (delta: -68.5 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. [2020-10-14 03:15:13,449 INFO L168 Benchmark]: Boogie Preprocessor took 122.50 ms. Allocated memory is still 206.6 MB. Free memory was 169.5 MB in the beginning and 163.5 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2020-10-14 03:15:13,450 INFO L168 Benchmark]: RCFGBuilder took 1521.43 ms. Allocated memory was 206.6 MB in the beginning and 238.0 MB in the end (delta: 31.5 MB). Free memory was 163.5 MB in the beginning and 154.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 77.2 MB. Max. memory is 7.1 GB. [2020-10-14 03:15:13,451 INFO L168 Benchmark]: TraceAbstraction took 116104.87 ms. Allocated memory was 238.0 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 152.3 MB in the beginning and 1.1 GB in the end (delta: -936.3 MB). Peak memory consumption was 886.6 MB. Max. memory is 7.1 GB. [2020-10-14 03:15:13,454 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.4 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 822.13 ms. Allocated memory was 147.3 MB in the beginning and 206.6 MB in the end (delta: 59.2 MB). Free memory was 101.0 MB in the beginning and 169.5 MB in the end (delta: -68.5 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.50 ms. Allocated memory is still 206.6 MB. Free memory was 169.5 MB in the beginning and 163.5 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1521.43 ms. Allocated memory was 206.6 MB in the beginning and 238.0 MB in the end (delta: 31.5 MB). Free memory was 163.5 MB in the beginning and 154.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 77.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 116104.87 ms. Allocated memory was 238.0 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 152.3 MB in the beginning and 1.1 GB in the end (delta: -936.3 MB). Peak memory consumption was 886.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 163]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((((((((((((((5 == a15 && 58 <= a12) && a12 <= 75) && a24 == 1) || !(8 == \old(a15))) || !(\old(a21) <= 7)) || (a12 <= 75 && 10 <= a21)) || (a15 <= 7 && 10 <= a21)) || (a15 <= 7 && a21 == 9)) || (8 <= a21 && a21 <= 8)) || !(7 <= \old(a21))) || ((7 <= a21 && a15 == 8) && a12 <= 2)) || (81 <= a12 && 7 <= a15)) || ((a12 <= 75 && a15 == 8) && a21 == 9)) || !(\old(a12) + 43 <= 0)) || (a15 <= 7 && a21 <= 6)) || (a15 <= 7 && 7 <= a15) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 111.0s, OverallIterations: 16, TraceHistogramMax: 10, AutomataDifference: 25.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 457 SDtfs, 8268 SDslu, 590 SDs, 0 SdLazy, 15505 SolverSat, 1445 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 308 GetRequests, 187 SyntacticMatches, 2 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3898occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 16 MinimizatonAttempts, 3554 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 203 PreInvPairs, 275 NumberOfFragments, 589 HoareAnnotationTreeSize, 203 FomulaSimplifications, 460095 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 20716 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 79.0s InterpolantComputationTime, 8276 NumberOfCodeBlocks, 8276 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 8260 ConstructedInterpolants, 0 QuantifiedInterpolants, 9301650 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 1 PerfectInterpolantSequences, 13225/14810 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...