/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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/Problem03_label49.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 19:16:43,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 19:16:43,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 19:16:43,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 19:16:43,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 19:16:43,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 19:16:43,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 19:16:43,468 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 19:16:43,470 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 19:16:43,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 19:16:43,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 19:16:43,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 19:16:43,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 19:16:43,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 19:16:43,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 19:16:43,481 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 19:16:43,482 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 19:16:43,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 19:16:43,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 19:16:43,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 19:16:43,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 19:16:43,497 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 19:16:43,498 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 19:16:43,499 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 19:16:43,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 19:16:43,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 19:16:43,507 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 19:16:43,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 19:16:43,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 19:16:43,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 19:16:43,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 19:16:43,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 19:16:43,521 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 19:16:43,523 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 19:16:43,524 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 19:16:43,524 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 19:16:43,525 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 19:16:43,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 19:16:43,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 19:16:43,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 19:16:43,528 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 19:16:43,529 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 19:16:43,576 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 19:16:43,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 19:16:43,578 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 19:16:43,578 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 19:16:43,578 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 19:16:43,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 19:16:43,579 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 19:16:43,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 19:16:43,579 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 19:16:43,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 19:16:43,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 19:16:43,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 19:16:43,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 19:16:43,580 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 19:16:43,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 19:16:43,581 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 19:16:43,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 19:16:43,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 19:16:43,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 19:16:43,581 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 19:16:43,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 19:16:43,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 19:16:43,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 19:16:43,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 19:16:43,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 19:16:43,583 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 19:16:43,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 19:16:43,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 19:16:43,583 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 19:16:43,583 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 19:16:43,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 19:16:43,913 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 19:16:43,917 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 19:16:43,919 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 19:16:43,921 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 19:16:43,922 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label49.c [2020-10-14 19:16:43,990 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4d468ae6d/571e1d6626994d3db81776ef8bbfdffe/FLAGecf4aa50e [2020-10-14 19:16:44,626 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 19:16:44,627 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem03_label49.c [2020-10-14 19:16:44,662 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4d468ae6d/571e1d6626994d3db81776ef8bbfdffe/FLAGecf4aa50e [2020-10-14 19:16:44,786 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4d468ae6d/571e1d6626994d3db81776ef8bbfdffe [2020-10-14 19:16:44,798 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 19:16:44,800 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 19:16:44,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 19:16:44,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 19:16:44,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 19:16:44,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:16:44" (1/1) ... [2020-10-14 19:16:44,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1da42254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:16:44, skipping insertion in model container [2020-10-14 19:16:44,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:16:44" (1/1) ... [2020-10-14 19:16:44,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 19:16:44,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 19:16:45,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 19:16:45,721 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 19:16:45,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 19:16:45,976 INFO L208 MainTranslator]: Completed translation [2020-10-14 19:16:45,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:16:45 WrapperNode [2020-10-14 19:16:45,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 19:16:45,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 19:16:45,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 19:16:45,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 19:16:45,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:16:45" (1/1) ... [2020-10-14 19:16:45,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:16:45" (1/1) ... [2020-10-14 19:16:46,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:16:45" (1/1) ... [2020-10-14 19:16:46,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:16:45" (1/1) ... [2020-10-14 19:16:46,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:16:45" (1/1) ... [2020-10-14 19:16:46,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:16:45" (1/1) ... [2020-10-14 19:16:46,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:16:45" (1/1) ... [2020-10-14 19:16:46,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 19:16:46,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 19:16:46,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 19:16:46,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 19:16:46,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:16:45" (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 19:16:46,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 19:16:46,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 19:16:46,246 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 19:16:46,246 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 19:16:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 19:16:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 19:16:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 19:16:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 19:16:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 19:16:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 19:16:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 19:16:48,326 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 19:16:48,327 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 19:16:48,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:16:48 BoogieIcfgContainer [2020-10-14 19:16:48,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 19:16:48,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 19:16:48,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 19:16:48,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 19:16:48,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:16:44" (1/3) ... [2020-10-14 19:16:48,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a82d166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:16:48, skipping insertion in model container [2020-10-14 19:16:48,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:16:45" (2/3) ... [2020-10-14 19:16:48,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a82d166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:16:48, skipping insertion in model container [2020-10-14 19:16:48,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:16:48" (3/3) ... [2020-10-14 19:16:48,356 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem03_label49.c [2020-10-14 19:16:48,370 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 19:16:48,386 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 19:16:48,400 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 19:16:48,438 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 19:16:48,439 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 19:16:48,439 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 19:16:48,439 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 19:16:48,439 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 19:16:48,439 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 19:16:48,440 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 19:16:48,440 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 19:16:48,474 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states. [2020-10-14 19:16:48,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-10-14 19:16:48,499 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:16:48,501 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:16:48,502 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:16:48,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:16:48,510 INFO L82 PathProgramCache]: Analyzing trace with hash 476549733, now seen corresponding path program 1 times [2020-10-14 19:16:48,519 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:16:48,520 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [419735877] [2020-10-14 19:16:48,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:16:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:16:49,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:16:49,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:16:52,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:16:52,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-14 19:16:52,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:16:52,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3457 [2020-10-14 19:16:52,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:16:52,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:16:52,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 19:16:52,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 19:16:52,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 176 [2020-10-14 19:16:52,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 19:16:52,919 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:16:52,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:16:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:16:52,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:16:52,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:16:52,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:16:52,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:16:52,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 19:16:52,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:16:52,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:16:52,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:16:52,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:16:52,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 19:16:52,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:16:53,068 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 19:16:53,069 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [419735877] [2020-10-14 19:16:53,071 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 19:16:53,071 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 19:16:53,072 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431269263] [2020-10-14 19:16:53,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 19:16:53,078 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:16:53,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 19:16:53,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 19:16:53,095 INFO L87 Difference]: Start difference. First operand 311 states. Second operand 4 states. [2020-10-14 19:16:53,302 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 19:16:55,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:16:55,875 INFO L93 Difference]: Finished difference Result 886 states and 1538 transitions. [2020-10-14 19:16:55,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:16:55,878 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 174 [2020-10-14 19:16:55,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:16:55,898 INFO L225 Difference]: With dead ends: 886 [2020-10-14 19:16:55,898 INFO L226 Difference]: Without dead ends: 482 [2020-10-14 19:16:55,907 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:16:55,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2020-10-14 19:16:55,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 476. [2020-10-14 19:16:55,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2020-10-14 19:16:56,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 724 transitions. [2020-10-14 19:16:56,002 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 724 transitions. Word has length 174 [2020-10-14 19:16:56,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:16:56,003 INFO L479 AbstractCegarLoop]: Abstraction has 476 states and 724 transitions. [2020-10-14 19:16:56,003 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 19:16:56,003 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 724 transitions. [2020-10-14 19:16:56,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-10-14 19:16:56,010 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:16:56,010 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:16:56,011 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 19:16:56,011 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:16:56,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:16:56,011 INFO L82 PathProgramCache]: Analyzing trace with hash 189781713, now seen corresponding path program 1 times [2020-10-14 19:16:56,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:16:56,012 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1471568251] [2020-10-14 19:16:56,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:16:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:16:56,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:16:56,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:16:59,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:16:59,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-14 19:16:59,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:16:59,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2996 [2020-10-14 19:16:59,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:16:59,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:16:59,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:16:59,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-14 19:16:59,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-14 19:16:59,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:16:59,446 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:16:59,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:16:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:16:59,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:16:59,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:16:59,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:16:59,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:16:59,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 19:16:59,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:16:59,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:16:59,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:16:59,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:16:59,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:16:59,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 19:16:59,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:16:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:16:59,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:16:59,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:16:59,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 19:16:59,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:16:59,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 19:16:59,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:16:59,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:16:59,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:16:59,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:16:59,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 19:16:59,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:16:59,758 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:16:59,759 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1471568251] [2020-10-14 19:16:59,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:16:59,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:16:59,760 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545365239] [2020-10-14 19:16:59,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:16:59,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:16:59,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:16:59,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:16:59,764 INFO L87 Difference]: Start difference. First operand 476 states and 724 transitions. Second operand 5 states. [2020-10-14 19:17:02,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:17:02,495 INFO L93 Difference]: Finished difference Result 1372 states and 2116 transitions. [2020-10-14 19:17:02,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:17:02,498 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 186 [2020-10-14 19:17:02,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:17:02,508 INFO L225 Difference]: With dead ends: 1372 [2020-10-14 19:17:02,508 INFO L226 Difference]: Without dead ends: 902 [2020-10-14 19:17:02,511 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:17:02,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2020-10-14 19:17:02,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 896. [2020-10-14 19:17:02,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 896 states. [2020-10-14 19:17:02,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 1216 transitions. [2020-10-14 19:17:02,567 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 1216 transitions. Word has length 186 [2020-10-14 19:17:02,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:17:02,568 INFO L479 AbstractCegarLoop]: Abstraction has 896 states and 1216 transitions. [2020-10-14 19:17:02,568 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:17:02,568 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1216 transitions. [2020-10-14 19:17:02,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-14 19:17:02,576 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:17:02,577 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:17:02,577 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 19:17:02,577 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:17:02,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:17:02,578 INFO L82 PathProgramCache]: Analyzing trace with hash 828900126, now seen corresponding path program 1 times [2020-10-14 19:17:02,578 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:17:02,578 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1777473336] [2020-10-14 19:17:02,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:17:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:17:02,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:03,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:05,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:05,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:17:05,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-10-14 19:17:05,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 19:17:05,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3304 [2020-10-14 19:17:05,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:17:05,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:17:05,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:17:05,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-14 19:17:05,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-14 19:17:05,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:17:06,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:17:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:17:06,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:06,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:17:06,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:17:06,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:17:06,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 19:17:06,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:17:06,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:17:06,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:17:06,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:17:06,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:17:06,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:17:06,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:17:06,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:17:06,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:06,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:17:06,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 19:17:06,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:17:06,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-14 19:17:06,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:17:06,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:17:06,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:17:06,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:17:06,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 19:17:06,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:17:06,662 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:17:06,662 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1777473336] [2020-10-14 19:17:06,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:17:06,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:17:06,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377158734] [2020-10-14 19:17:06,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:17:06,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:17:06,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:17:06,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:17:06,668 INFO L87 Difference]: Start difference. First operand 896 states and 1216 transitions. Second operand 5 states. [2020-10-14 19:17:06,927 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 19:17:09,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:17:09,502 INFO L93 Difference]: Finished difference Result 2633 states and 3628 transitions. [2020-10-14 19:17:09,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:17:09,503 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 201 [2020-10-14 19:17:09,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:17:09,520 INFO L225 Difference]: With dead ends: 2633 [2020-10-14 19:17:09,520 INFO L226 Difference]: Without dead ends: 1743 [2020-10-14 19:17:09,523 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:17:09,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1743 states. [2020-10-14 19:17:09,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1743 to 1738. [2020-10-14 19:17:09,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1738 states. [2020-10-14 19:17:09,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 1738 states and 2282 transitions. [2020-10-14 19:17:09,615 INFO L78 Accepts]: Start accepts. Automaton has 1738 states and 2282 transitions. Word has length 201 [2020-10-14 19:17:09,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:17:09,617 INFO L479 AbstractCegarLoop]: Abstraction has 1738 states and 2282 transitions. [2020-10-14 19:17:09,617 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:17:09,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 2282 transitions. [2020-10-14 19:17:09,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-14 19:17:09,630 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:17:09,630 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:17:09,631 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 19:17:09,631 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:17:09,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:17:09,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1303458662, now seen corresponding path program 1 times [2020-10-14 19:17:09,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:17:09,632 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [147612121] [2020-10-14 19:17:09,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:17:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:17:09,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:10,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:11,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:12,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:17:12,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-10-14 19:17:12,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 19:17:12,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2803 [2020-10-14 19:17:12,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:17:12,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:17:12,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:17:12,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-14 19:17:12,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-14 19:17:12,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:17:12,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:17:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:17:12,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:12,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:17:12,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:17:12,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:17:12,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 19:17:12,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:17:12,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:17:12,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:17:12,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:17:12,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:17:12,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:17:12,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:17:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:17:12,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:12,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:17:12,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 19:17:12,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:17:12,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-14 19:17:12,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:17:12,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:17:12,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:17:12,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:17:12,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 19:17:12,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:17:12,967 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:17:12,967 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [147612121] [2020-10-14 19:17:12,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:17:12,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 19:17:12,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636166883] [2020-10-14 19:17:12,970 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 19:17:12,971 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:17:12,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 19:17:12,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:17:12,971 INFO L87 Difference]: Start difference. First operand 1738 states and 2282 transitions. Second operand 6 states. [2020-10-14 19:17:13,204 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 19:17:13,507 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 19:17:17,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:17:17,013 INFO L93 Difference]: Finished difference Result 4313 states and 5855 transitions. [2020-10-14 19:17:17,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 19:17:17,014 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 204 [2020-10-14 19:17:17,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:17:17,028 INFO L225 Difference]: With dead ends: 4313 [2020-10-14 19:17:17,029 INFO L226 Difference]: Without dead ends: 2581 [2020-10-14 19:17:17,034 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 19:17:17,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2581 states. [2020-10-14 19:17:17,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2581 to 2574. [2020-10-14 19:17:17,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2574 states. [2020-10-14 19:17:17,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2574 states to 2574 states and 3465 transitions. [2020-10-14 19:17:17,112 INFO L78 Accepts]: Start accepts. Automaton has 2574 states and 3465 transitions. Word has length 204 [2020-10-14 19:17:17,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:17:17,112 INFO L479 AbstractCegarLoop]: Abstraction has 2574 states and 3465 transitions. [2020-10-14 19:17:17,113 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 19:17:17,113 INFO L276 IsEmpty]: Start isEmpty. Operand 2574 states and 3465 transitions. [2020-10-14 19:17:17,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-10-14 19:17:17,121 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:17:17,121 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:17:17,122 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 19:17:17,122 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:17:17,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:17:17,122 INFO L82 PathProgramCache]: Analyzing trace with hash 1967446622, now seen corresponding path program 1 times [2020-10-14 19:17:17,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:17:17,123 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1341665419] [2020-10-14 19:17:17,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:17:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:17:17,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:17,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:18,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:17:18,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-14 19:17:18,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:17:18,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1296 [2020-10-14 19:17:18,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:17:18,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:17:18,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 19:17:18,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 19:17:18,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 212 [2020-10-14 19:17:18,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:17:18,725 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:17:18,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:17:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:17:18,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:18,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:17:18,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:17:18,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:17:18,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 19:17:18,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:17:18,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:17:18,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:17:18,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:17:18,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 19:17:18,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:17:18,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:17:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:17:18,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:18,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:17:18,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 19:17:19,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:17:19,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-14 19:17:19,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:17:19,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:17:19,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:17:19,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:17:19,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 19:17:19,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-10-14 19:17:19,123 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 19:17:19,124 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1341665419] [2020-10-14 19:17:19,124 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:17:19,124 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:17:19,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504892630] [2020-10-14 19:17:19,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 19:17:19,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:17:19,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 19:17:19,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:17:19,126 INFO L87 Difference]: Start difference. First operand 2574 states and 3465 transitions. Second operand 6 states. [2020-10-14 19:17:19,248 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 19:17:21,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:17:21,717 INFO L93 Difference]: Finished difference Result 7784 states and 11060 transitions. [2020-10-14 19:17:21,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 19:17:21,719 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 208 [2020-10-14 19:17:21,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:17:21,753 INFO L225 Difference]: With dead ends: 7784 [2020-10-14 19:17:21,754 INFO L226 Difference]: Without dead ends: 5216 [2020-10-14 19:17:21,764 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 19:17:21,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5216 states. [2020-10-14 19:17:21,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5216 to 5163. [2020-10-14 19:17:21,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5163 states. [2020-10-14 19:17:21,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5163 states to 5163 states and 6924 transitions. [2020-10-14 19:17:21,954 INFO L78 Accepts]: Start accepts. Automaton has 5163 states and 6924 transitions. Word has length 208 [2020-10-14 19:17:21,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:17:21,955 INFO L479 AbstractCegarLoop]: Abstraction has 5163 states and 6924 transitions. [2020-10-14 19:17:21,955 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 19:17:21,956 INFO L276 IsEmpty]: Start isEmpty. Operand 5163 states and 6924 transitions. [2020-10-14 19:17:21,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-14 19:17:21,975 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:17:21,976 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:17:21,976 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 19:17:21,976 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:17:21,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:17:21,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1100990368, now seen corresponding path program 1 times [2020-10-14 19:17:21,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:17:21,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [568885498] [2020-10-14 19:17:21,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:17:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:17:22,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:22,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:25,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:17:25,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-10-14 19:17:25,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:17:25,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3273 [2020-10-14 19:17:25,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:17:25,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:17:25,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:17:25,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-14 19:17:25,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-14 19:17:25,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:17:25,722 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:17:25,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:17:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:17:25,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:25,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:17:25,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:17:25,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:17:25,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 19:17:25,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:17:25,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:17:25,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:17:25,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:17:25,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:17:25,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:17:25,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:17:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:17:25,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:25,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:17:25,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-14 19:17:25,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:17:25,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-14 19:17:25,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:17:25,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:17:25,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:17:25,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:17:25,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 19:17:25,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:17:26,075 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 63 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:17:26,075 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [568885498] [2020-10-14 19:17:26,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:17:26,077 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:17:26,077 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243007365] [2020-10-14 19:17:26,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:17:26,078 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:17:26,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:17:26,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:17:26,078 INFO L87 Difference]: Start difference. First operand 5163 states and 6924 transitions. Second operand 5 states. [2020-10-14 19:17:26,210 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 19:17:28,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:17:28,768 INFO L93 Difference]: Finished difference Result 14988 states and 20610 transitions. [2020-10-14 19:17:28,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:17:28,769 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 241 [2020-10-14 19:17:28,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:17:28,814 INFO L225 Difference]: With dead ends: 14988 [2020-10-14 19:17:28,814 INFO L226 Difference]: Without dead ends: 9831 [2020-10-14 19:17:28,829 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:17:28,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9831 states. [2020-10-14 19:17:29,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9831 to 9797. [2020-10-14 19:17:29,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9797 states. [2020-10-14 19:17:29,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9797 states to 9797 states and 13453 transitions. [2020-10-14 19:17:29,139 INFO L78 Accepts]: Start accepts. Automaton has 9797 states and 13453 transitions. Word has length 241 [2020-10-14 19:17:29,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:17:29,140 INFO L479 AbstractCegarLoop]: Abstraction has 9797 states and 13453 transitions. [2020-10-14 19:17:29,140 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:17:29,140 INFO L276 IsEmpty]: Start isEmpty. Operand 9797 states and 13453 transitions. [2020-10-14 19:17:29,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-10-14 19:17:29,178 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:17:29,179 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:17:29,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 19:17:29,179 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:17:29,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:17:29,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1801673170, now seen corresponding path program 1 times [2020-10-14 19:17:29,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:17:29,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [206052636] [2020-10-14 19:17:29,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:17:29,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:17:29,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:29,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:31,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:31,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:32,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:34,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:17:34,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-10-14 19:17:34,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 19:17:34,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-14 19:17:34,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:17:34,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:17:34,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 19:17:34,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-14 19:17:34,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 209 [2020-10-14 19:17:34,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:17:34,495 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:17:34,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:17:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:17:34,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:34,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:17:34,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:17:34,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:17:34,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 19:17:34,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:17:34,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:17:34,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:17:34,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:17:34,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:17:34,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:17:34,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:17:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:17:34,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:34,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:17:34,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 19:17:34,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:17:34,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 19:17:34,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:17:34,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:17:34,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:17:34,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:17:34,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:17:34,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:17:34,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 19:17:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:17:34,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:34,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:17:34,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 19:17:34,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:17:34,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 19:17:34,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:17:34,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:17:34,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:17:34,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:17:34,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 19:17:34,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:17:34,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 19:17:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:17:34,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:34,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:17:34,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 19:17:34,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:17:34,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 19:17:34,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:17:34,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:17:34,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:17:34,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:17:34,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 19:17:34,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:17:34,878 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 78 proven. 36 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-14 19:17:34,878 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [206052636] [2020-10-14 19:17:34,878 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:17:34,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 19:17:34,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240359963] [2020-10-14 19:17:34,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 19:17:34,880 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:17:34,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 19:17:34,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 19:17:34,880 INFO L87 Difference]: Start difference. First operand 9797 states and 13453 transitions. Second operand 7 states. [2020-10-14 19:17:35,607 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 19:17:39,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:17:39,777 INFO L93 Difference]: Finished difference Result 20908 states and 30442 transitions. [2020-10-14 19:17:39,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 19:17:39,778 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 252 [2020-10-14 19:17:39,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:17:39,892 INFO L225 Difference]: With dead ends: 20908 [2020-10-14 19:17:39,892 INFO L226 Difference]: Without dead ends: 20906 [2020-10-14 19:17:39,903 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-14 19:17:39,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20906 states. [2020-10-14 19:17:40,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20906 to 20796. [2020-10-14 19:17:40,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20796 states. [2020-10-14 19:17:40,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20796 states to 20796 states and 29840 transitions. [2020-10-14 19:17:40,609 INFO L78 Accepts]: Start accepts. Automaton has 20796 states and 29840 transitions. Word has length 252 [2020-10-14 19:17:40,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:17:40,610 INFO L479 AbstractCegarLoop]: Abstraction has 20796 states and 29840 transitions. [2020-10-14 19:17:40,610 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 19:17:40,610 INFO L276 IsEmpty]: Start isEmpty. Operand 20796 states and 29840 transitions. [2020-10-14 19:17:40,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-10-14 19:17:40,842 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:17:40,842 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:17:40,843 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 19:17:40,843 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:17:40,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:17:40,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1398753987, now seen corresponding path program 1 times [2020-10-14 19:17:40,845 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:17:40,845 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1482981873] [2020-10-14 19:17:40,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:17:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:17:40,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:41,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:42,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:45,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:17:45,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-10-14 19:17:45,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 19:17:45,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4424 [2020-10-14 19:17:45,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:17:45,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:17:45,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:17:45,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-14 19:17:45,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-14 19:17:45,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:17:45,550 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:17:45,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:17:45,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:17:45,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:45,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:17:45,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:17:45,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:17:45,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 19:17:45,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:17:45,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:17:45,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:17:45,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:17:45,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:17:45,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:17:45,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:17:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:17:45,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:45,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:17:45,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-14 19:17:45,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:17:45,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 19:17:45,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:17:45,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:17:45,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:17:45,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:17:45,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:17:45,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:17:45,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 19:17:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:17:45,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:45,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:17:45,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 19:17:45,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:17:45,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 19:17:45,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:17:45,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:17:45,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:17:45,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:17:45,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 19:17:45,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:17:45,802 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 73 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-14 19:17:45,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1482981873] [2020-10-14 19:17:45,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:17:45,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:17:45,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771091033] [2020-10-14 19:17:45,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:17:45,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:17:45,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:17:45,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:17:45,805 INFO L87 Difference]: Start difference. First operand 20796 states and 29840 transitions. Second operand 5 states. [2020-10-14 19:17:45,937 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-14 19:17:48,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:17:48,451 INFO L93 Difference]: Finished difference Result 49173 states and 71789 transitions. [2020-10-14 19:17:48,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:17:48,452 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 252 [2020-10-14 19:17:48,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:17:48,565 INFO L225 Difference]: With dead ends: 49173 [2020-10-14 19:17:48,565 INFO L226 Difference]: Without dead ends: 28383 [2020-10-14 19:17:48,627 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:17:48,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28383 states. [2020-10-14 19:17:49,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28383 to 28357. [2020-10-14 19:17:49,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28357 states. [2020-10-14 19:17:49,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28357 states to 28357 states and 40162 transitions. [2020-10-14 19:17:49,348 INFO L78 Accepts]: Start accepts. Automaton has 28357 states and 40162 transitions. Word has length 252 [2020-10-14 19:17:49,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:17:49,349 INFO L479 AbstractCegarLoop]: Abstraction has 28357 states and 40162 transitions. [2020-10-14 19:17:49,349 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:17:49,349 INFO L276 IsEmpty]: Start isEmpty. Operand 28357 states and 40162 transitions. [2020-10-14 19:17:49,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2020-10-14 19:17:49,432 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:17:49,432 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:17:49,432 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 19:17:49,433 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:17:49,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:17:49,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1703989082, now seen corresponding path program 1 times [2020-10-14 19:17:49,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:17:49,434 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1284033457] [2020-10-14 19:17:49,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:17:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:17:49,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:49,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:49,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:49,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:52,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:54,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:54,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:17:54,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 278 [2020-10-14 19:17:54,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 19:17:54,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-14 19:17:54,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:17:54,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:17:54,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 19:17:54,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-14 19:17:54,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-14 19:17:54,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:17:54,694 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:17:54,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:17:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:17:54,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:54,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:17:54,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:17:54,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:17:54,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 19:17:54,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:17:54,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:17:54,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:17:54,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:17:54,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:17:54,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:17:54,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:17:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:17:54,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:54,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:17:54,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 19:17:54,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:17:54,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 19:17:54,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:17:54,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:17:54,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:17:54,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:17:54,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:17:54,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:17:54,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 19:17:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:17:54,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:54,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:17:54,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 19:17:54,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:17:54,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-14 19:17:54,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:17:54,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:17:54,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:17:54,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:17:54,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 19:17:54,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:17:54,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 19:17:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:17:54,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:54,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:17:54,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 19:17:54,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:17:54,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 19:17:54,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:17:54,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:17:54,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:17:54,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:17:54,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 19:17:54,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:17:54,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-14 19:17:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:17:55,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:55,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:17:55,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 19:17:55,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:17:55,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-14 19:17:55,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:17:55,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:17:55,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:17:55,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:17:55,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 19:17:55,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:17:55,193 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 136 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-14 19:17:55,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1284033457] [2020-10-14 19:17:55,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:17:55,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 19:17:55,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284037037] [2020-10-14 19:17:55,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 19:17:55,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:17:55,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 19:17:55,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 19:17:55,195 INFO L87 Difference]: Start difference. First operand 28357 states and 40162 transitions. Second operand 7 states. [2020-10-14 19:17:55,322 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 19:17:55,810 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 19:17:58,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:17:58,354 INFO L93 Difference]: Finished difference Result 56905 states and 84120 transitions. [2020-10-14 19:17:58,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 19:17:58,354 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 262 [2020-10-14 19:17:58,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:17:58,487 INFO L225 Difference]: With dead ends: 56905 [2020-10-14 19:17:58,487 INFO L226 Difference]: Without dead ends: 28554 [2020-10-14 19:17:58,547 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 19:17:58,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28554 states. [2020-10-14 19:17:59,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28554 to 24922. [2020-10-14 19:17:59,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24922 states. [2020-10-14 19:17:59,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24922 states to 24922 states and 33583 transitions. [2020-10-14 19:17:59,319 INFO L78 Accepts]: Start accepts. Automaton has 24922 states and 33583 transitions. Word has length 262 [2020-10-14 19:17:59,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:17:59,320 INFO L479 AbstractCegarLoop]: Abstraction has 24922 states and 33583 transitions. [2020-10-14 19:17:59,320 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 19:17:59,320 INFO L276 IsEmpty]: Start isEmpty. Operand 24922 states and 33583 transitions. [2020-10-14 19:17:59,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2020-10-14 19:17:59,363 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:17:59,364 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 19:17:59,364 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 19:17:59,364 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:17:59,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:17:59,365 INFO L82 PathProgramCache]: Analyzing trace with hash 905693938, now seen corresponding path program 1 times [2020-10-14 19:17:59,365 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:17:59,365 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [998030688] [2020-10-14 19:17:59,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:17:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:17:59,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:59,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:17:59,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:00,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:01,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:03,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:04,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:18:04,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 336 [2020-10-14 19:18:04,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 19:18:04,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5059 [2020-10-14 19:18:04,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:18:04,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:18:04,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 19:18:04,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-14 19:18:04,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-14 19:18:04,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:18:04,663 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:18:04,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:18:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:18:04,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:04,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:18:04,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:18:04,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:18:04,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 19:18:04,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:18:04,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:18:04,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:18:04,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:18:04,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:18:04,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:18:04,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:18:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:18:04,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:04,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:18:04,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 19:18:04,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:18:04,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 19:18:04,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:18:04,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:18:04,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:18:04,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:18:04,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 19:18:04,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:18:04,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 19:18:04,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:18:04,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:04,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:04,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:05,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:18:05,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-14 19:18:05,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 19:18:05,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 259 [2020-10-14 19:18:05,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:18:05,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:18:05,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:18:05,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:18:05,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 19:18:05,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:18:05,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-14 19:18:05,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:18:05,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:05,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:18:05,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 19:18:05,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:18:05,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-14 19:18:05,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:18:05,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:18:05,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:18:05,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:18:05,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 19:18:05,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:18:05,260 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 186 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-14 19:18:05,261 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [998030688] [2020-10-14 19:18:05,261 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:18:05,261 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 19:18:05,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718710411] [2020-10-14 19:18:05,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 19:18:05,262 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:18:05,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 19:18:05,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 19:18:05,263 INFO L87 Difference]: Start difference. First operand 24922 states and 33583 transitions. Second operand 7 states. [2020-10-14 19:18:05,481 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 19:18:05,736 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 19:18:09,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:18:09,496 INFO L93 Difference]: Finished difference Result 47981 states and 67891 transitions. [2020-10-14 19:18:09,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 19:18:09,496 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 322 [2020-10-14 19:18:09,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:18:09,601 INFO L225 Difference]: With dead ends: 47981 [2020-10-14 19:18:09,601 INFO L226 Difference]: Without dead ends: 23065 [2020-10-14 19:18:09,650 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 19:18:09,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23065 states. [2020-10-14 19:18:10,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23065 to 15215. [2020-10-14 19:18:10,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15215 states. [2020-10-14 19:18:10,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15215 states to 15215 states and 19689 transitions. [2020-10-14 19:18:10,181 INFO L78 Accepts]: Start accepts. Automaton has 15215 states and 19689 transitions. Word has length 322 [2020-10-14 19:18:10,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:18:10,181 INFO L479 AbstractCegarLoop]: Abstraction has 15215 states and 19689 transitions. [2020-10-14 19:18:10,181 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 19:18:10,182 INFO L276 IsEmpty]: Start isEmpty. Operand 15215 states and 19689 transitions. [2020-10-14 19:18:10,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-10-14 19:18:10,212 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:18:10,212 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:18:10,213 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 19:18:10,213 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:18:10,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:18:10,214 INFO L82 PathProgramCache]: Analyzing trace with hash 781112213, now seen corresponding path program 1 times [2020-10-14 19:18:10,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:18:10,215 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [734139352] [2020-10-14 19:18:10,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:18:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:18:10,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:10,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:11,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:11,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:15,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:18:15,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 383 [2020-10-14 19:18:15,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 19:18:15,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-14 19:18:15,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:18:15,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:18:15,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 19:18:15,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 19:18:15,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 168 [2020-10-14 19:18:15,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:18:15,531 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:18:15,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:18:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:18:15,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:15,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:18:15,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:18:15,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:18:15,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 19:18:15,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:18:15,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:18:15,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:18:15,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:18:15,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 19:18:15,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:18:15,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:18:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:18:15,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:15,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:18:15,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 19:18:15,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:18:15,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 19:18:15,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:18:15,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:18:15,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:18:15,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:18:15,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 19:18:15,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:18:15,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 19:18:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:18:15,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:16,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:18:16,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 19:18:16,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:18:16,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 355 [2020-10-14 19:18:16,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:18:16,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:18:16,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:18:16,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:18:16,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-14 19:18:16,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:18:16,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-14 19:18:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:18:16,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:16,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:18:16,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 19:18:16,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:18:16,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 19:18:16,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:18:16,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:18:16,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:18:16,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-14 19:18:16,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:18:16,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:18:16,583 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 189 proven. 47 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-14 19:18:16,584 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [734139352] [2020-10-14 19:18:16,584 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:18:16,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 19:18:16,584 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569619957] [2020-10-14 19:18:16,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 19:18:16,585 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:18:16,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 19:18:16,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 19:18:16,586 INFO L87 Difference]: Start difference. First operand 15215 states and 19689 transitions. Second operand 7 states. [2020-10-14 19:18:16,731 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 19:18:19,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:18:19,903 INFO L93 Difference]: Finished difference Result 39935 states and 53679 transitions. [2020-10-14 19:18:19,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 19:18:19,903 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 369 [2020-10-14 19:18:19,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:18:19,995 INFO L225 Difference]: With dead ends: 39935 [2020-10-14 19:18:19,996 INFO L226 Difference]: Without dead ends: 28384 [2020-10-14 19:18:20,023 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-14 19:18:20,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28384 states. [2020-10-14 19:18:20,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28384 to 28102. [2020-10-14 19:18:20,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28102 states. [2020-10-14 19:18:20,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28102 states to 28102 states and 36635 transitions. [2020-10-14 19:18:20,727 INFO L78 Accepts]: Start accepts. Automaton has 28102 states and 36635 transitions. Word has length 369 [2020-10-14 19:18:20,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:18:20,727 INFO L479 AbstractCegarLoop]: Abstraction has 28102 states and 36635 transitions. [2020-10-14 19:18:20,727 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 19:18:20,727 INFO L276 IsEmpty]: Start isEmpty. Operand 28102 states and 36635 transitions. [2020-10-14 19:18:20,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2020-10-14 19:18:20,779 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:18:20,780 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:18:20,780 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 19:18:20,780 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:18:20,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:18:20,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1868707709, now seen corresponding path program 1 times [2020-10-14 19:18:20,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:18:20,781 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1257574068] [2020-10-14 19:18:20,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:18:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:18:20,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:20,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:21,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:25,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:18:25,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 399 [2020-10-14 19:18:25,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 19:18:25,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 19:18:25,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:18:25,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:18:25,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:18:25,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-14 19:18:25,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-14 19:18:25,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:18:26,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:18:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:18:26,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:26,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:18:26,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:18:26,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:18:26,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 19:18:26,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:18:26,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:18:26,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:18:26,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:18:26,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:18:26,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:18:26,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:18:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:18:26,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:26,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:18:26,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 19:18:26,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:18:26,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 19:18:26,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:18:26,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:18:26,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:18:26,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:18:26,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:18:26,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:18:26,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 19:18:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:18:26,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:26,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:18:26,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 19:18:26,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:18:26,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 19:18:26,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:18:26,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:18:26,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:18:26,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:18:26,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 19:18:26,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:18:26,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 19:18:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:18:26,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:26,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:18:26,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 19:18:26,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:18:26,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-10-14 19:18:26,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:18:26,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:18:26,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:18:26,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:18:26,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-14 19:18:26,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:18:26,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-10-14 19:18:26,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:18:26,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:26,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:18:26,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 19:18:26,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:18:26,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 19:18:26,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:18:26,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:18:26,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:18:26,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-14 19:18:26,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:18:26,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:18:26,706 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 237 proven. 33 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-14 19:18:26,707 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1257574068] [2020-10-14 19:18:26,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:18:26,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 19:18:26,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836144106] [2020-10-14 19:18:26,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 19:18:26,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:18:26,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 19:18:26,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 19:18:26,709 INFO L87 Difference]: Start difference. First operand 28102 states and 36635 transitions. Second operand 7 states. [2020-10-14 19:18:27,012 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 19:18:28,374 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-14 19:18:31,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:18:31,575 INFO L93 Difference]: Finished difference Result 65994 states and 91511 transitions. [2020-10-14 19:18:31,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 19:18:31,576 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 383 [2020-10-14 19:18:31,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:18:31,729 INFO L225 Difference]: With dead ends: 65994 [2020-10-14 19:18:31,729 INFO L226 Difference]: Without dead ends: 37914 [2020-10-14 19:18:31,777 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 19:18:31,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37914 states. [2020-10-14 19:18:32,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37914 to 35891. [2020-10-14 19:18:32,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35891 states. [2020-10-14 19:18:32,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35891 states to 35891 states and 46514 transitions. [2020-10-14 19:18:32,798 INFO L78 Accepts]: Start accepts. Automaton has 35891 states and 46514 transitions. Word has length 383 [2020-10-14 19:18:32,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:18:32,799 INFO L479 AbstractCegarLoop]: Abstraction has 35891 states and 46514 transitions. [2020-10-14 19:18:32,799 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 19:18:32,799 INFO L276 IsEmpty]: Start isEmpty. Operand 35891 states and 46514 transitions. [2020-10-14 19:18:32,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2020-10-14 19:18:32,864 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:18:32,864 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:18:32,864 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 19:18:32,865 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:18:32,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:18:32,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1045314252, now seen corresponding path program 1 times [2020-10-14 19:18:32,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:18:32,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1022410787] [2020-10-14 19:18:32,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:18:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:18:32,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:33,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:33,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:34,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:36,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:36,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:37,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:18:37,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 408 [2020-10-14 19:18:37,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 19:18:37,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-14 19:18:37,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:18:37,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:18:37,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 19:18:37,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 19:18:37,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 192 [2020-10-14 19:18:37,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:18:38,128 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:18:38,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:18:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:18:38,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:38,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:18:38,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:18:38,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:18:38,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 19:18:38,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:18:38,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:18:38,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:18:38,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:18:38,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 19:18:38,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:18:38,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:18:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:18:38,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:38,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:18:38,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 19:18:38,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:18:38,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 19:18:38,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:18:38,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:18:38,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:18:38,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:18:38,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 19:18:38,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:18:38,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 19:18:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:18:38,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:38,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:18:38,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 19:18:38,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:18:38,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 19:18:38,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:18:38,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:18:38,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:18:38,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:18:38,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 19:18:38,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:18:38,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 19:18:38,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:18:38,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:38,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:18:38,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 19:18:38,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:18:38,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-10-14 19:18:38,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:18:38,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:18:38,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:18:38,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:18:38,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-14 19:18:38,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:18:38,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-14 19:18:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:18:38,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:18:38,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:18:38,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 19:18:38,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:18:38,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 19:18:38,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:18:38,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:18:38,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:18:38,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-14 19:18:38,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:18:38,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:18:38,880 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 214 proven. 67 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-10-14 19:18:38,880 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1022410787] [2020-10-14 19:18:38,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:18:38,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 19:18:38,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878062102] [2020-10-14 19:18:38,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 19:18:38,882 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:18:38,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 19:18:38,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 19:18:38,882 INFO L87 Difference]: Start difference. First operand 35891 states and 46514 transitions. Second operand 7 states. [2020-10-14 19:18:39,007 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 19:18:40,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:18:40,561 INFO L93 Difference]: Finished difference Result 63414 states and 81644 transitions. [2020-10-14 19:18:40,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 19:18:40,561 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 392 [2020-10-14 19:18:40,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:18:40,562 INFO L225 Difference]: With dead ends: 63414 [2020-10-14 19:18:40,562 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 19:18:40,629 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-14 19:18:40,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 19:18:40,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 19:18:40,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 19:18:40,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 19:18:40,630 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 392 [2020-10-14 19:18:40,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:18:40,630 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 19:18:40,630 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 19:18:40,630 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 19:18:40,631 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 19:18:40,631 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 19:18:40,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 19:18:40,814 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-14 19:18:48,548 WARN L193 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 1203 DAG size of output: 973 [2020-10-14 19:18:52,333 WARN L193 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 1203 DAG size of output: 973 [2020-10-14 19:18:52,595 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 108 [2020-10-14 19:18:59,981 WARN L193 SmtUtils]: Spent 7.34 s on a formula simplification. DAG size of input: 614 DAG size of output: 164 [2020-10-14 19:19:00,088 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:19:10,538 WARN L193 SmtUtils]: Spent 10.44 s on a formula simplification. DAG size of input: 943 DAG size of output: 85 [2020-10-14 19:19:20,753 WARN L193 SmtUtils]: Spent 10.21 s on a formula simplification. DAG size of input: 943 DAG size of output: 85 [2020-10-14 19:19:20,757 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 19:19:20,759 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a26~0 |old(~a26~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a18~0 |old(~a18~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a0~0 |old(~a0~0)|) (= ~a9~0 |old(~a9~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a5~0 |old(~a5~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a16~0 |old(~a16~0)|) (= ~y~0 |old(~y~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a2~0 |old(~a2~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~a22~0 |old(~a22~0)|) (= ~d~0 |old(~d~0)|) (= ~v~0 |old(~v~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a27~0 |old(~a27~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-14 19:19:20,760 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 19:19:20,760 INFO L268 CegarLoopResult]: For program point L498(lines 498 511) no Hoare annotation was computed. [2020-10-14 19:19:20,760 INFO L268 CegarLoopResult]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2020-10-14 19:19:20,760 INFO L268 CegarLoopResult]: For program point L1423(lines 1423 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,761 INFO L268 CegarLoopResult]: For program point L366(lines 366 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,761 INFO L268 CegarLoopResult]: For program point L1622-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,761 INFO L268 CegarLoopResult]: For program point L1556-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,761 INFO L268 CegarLoopResult]: For program point L1490-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,761 INFO L268 CegarLoopResult]: For program point L301(lines 301 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,761 INFO L268 CegarLoopResult]: For program point L1226(lines 1226 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,761 INFO L268 CegarLoopResult]: For program point L1623(line 1623) no Hoare annotation was computed. [2020-10-14 19:19:20,761 INFO L268 CegarLoopResult]: For program point L566(lines 566 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,762 INFO L268 CegarLoopResult]: For program point L1557(line 1557) no Hoare annotation was computed. [2020-10-14 19:19:20,762 INFO L268 CegarLoopResult]: For program point L1491(line 1491) no Hoare annotation was computed. [2020-10-14 19:19:20,762 INFO L268 CegarLoopResult]: For program point L434(lines 434 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,762 INFO L268 CegarLoopResult]: For program point L1359(lines 1359 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,762 INFO L268 CegarLoopResult]: For program point L1095(lines 1095 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,762 INFO L268 CegarLoopResult]: For program point L633(lines 633 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,762 INFO L268 CegarLoopResult]: For program point L1360(lines 1360 1379) no Hoare annotation was computed. [2020-10-14 19:19:20,762 INFO L268 CegarLoopResult]: For program point L1360-2(lines 1360 1379) no Hoare annotation was computed. [2020-10-14 19:19:20,763 INFO L268 CegarLoopResult]: For program point L1162(lines 1162 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,763 INFO L268 CegarLoopResult]: For program point L105(lines 105 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,763 INFO L268 CegarLoopResult]: For program point L1625-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,763 INFO L268 CegarLoopResult]: For program point L1559-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,763 INFO L268 CegarLoopResult]: For program point L1493-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,763 INFO L268 CegarLoopResult]: For program point L238(lines 238 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,763 INFO L268 CegarLoopResult]: For program point L172(lines 172 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,763 INFO L268 CegarLoopResult]: For program point L1031(lines 1031 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,763 INFO L268 CegarLoopResult]: For program point L899(lines 899 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,764 INFO L268 CegarLoopResult]: For program point L701(lines 701 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,764 INFO L268 CegarLoopResult]: For program point L1626(line 1626) no Hoare annotation was computed. [2020-10-14 19:19:20,764 INFO L268 CegarLoopResult]: For program point L1560(line 1560) no Hoare annotation was computed. [2020-10-14 19:19:20,764 INFO L268 CegarLoopResult]: For program point L1494(line 1494) no Hoare annotation was computed. [2020-10-14 19:19:20,764 INFO L268 CegarLoopResult]: For program point L966(lines 966 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,764 INFO L268 CegarLoopResult]: For program point L769(lines 769 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,764 INFO L268 CegarLoopResult]: For program point L1628-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,764 INFO L268 CegarLoopResult]: For program point L1562-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,764 INFO L268 CegarLoopResult]: For program point L1496-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,765 INFO L268 CegarLoopResult]: For program point L836(lines 836 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,765 INFO L268 CegarLoopResult]: For program point L1629(line 1629) no Hoare annotation was computed. [2020-10-14 19:19:20,765 INFO L268 CegarLoopResult]: For program point L1563(line 1563) no Hoare annotation was computed. [2020-10-14 19:19:20,765 INFO L268 CegarLoopResult]: For program point L1497(line 1497) no Hoare annotation was computed. [2020-10-14 19:19:20,765 INFO L268 CegarLoopResult]: For program point L441(lines 441 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,765 INFO L268 CegarLoopResult]: For program point L1432(lines 1432 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,765 INFO L268 CegarLoopResult]: For program point L574(lines 574 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,765 INFO L268 CegarLoopResult]: For program point L1631-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,765 INFO L268 CegarLoopResult]: For program point L1565-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,766 INFO L268 CegarLoopResult]: For program point L1499-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,766 INFO L268 CegarLoopResult]: For program point L1632(line 1632) no Hoare annotation was computed. [2020-10-14 19:19:20,766 INFO L268 CegarLoopResult]: For program point L1566(line 1566) no Hoare annotation was computed. [2020-10-14 19:19:20,766 INFO L268 CegarLoopResult]: For program point L1500(line 1500) no Hoare annotation was computed. [2020-10-14 19:19:20,766 INFO L268 CegarLoopResult]: For program point L377(lines 377 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,766 INFO L268 CegarLoopResult]: For program point L1104(lines 1104 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,766 INFO L268 CegarLoopResult]: For program point L1038(lines 1038 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,766 INFO L268 CegarLoopResult]: For program point L378(lines 378 395) no Hoare annotation was computed. [2020-10-14 19:19:20,766 INFO L268 CegarLoopResult]: For program point L312(lines 312 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,767 INFO L268 CegarLoopResult]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2020-10-14 19:19:20,767 INFO L268 CegarLoopResult]: For program point L1237(lines 1237 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,767 INFO L268 CegarLoopResult]: For program point L114(lines 114 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,767 INFO L268 CegarLoopResult]: For program point L1039(lines 1039 1059) no Hoare annotation was computed. [2020-10-14 19:19:20,767 INFO L268 CegarLoopResult]: For program point L1039-2(lines 1039 1059) no Hoare annotation was computed. [2020-10-14 19:19:20,767 INFO L268 CegarLoopResult]: For program point L907(lines 907 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,767 INFO L268 CegarLoopResult]: For program point L709(lines 709 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,767 INFO L268 CegarLoopResult]: For program point L643(lines 643 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,768 INFO L268 CegarLoopResult]: For program point L1634-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,768 INFO L268 CegarLoopResult]: For program point L1568-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,768 INFO L268 CegarLoopResult]: For program point L1502-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,768 INFO L268 CegarLoopResult]: For program point L181(lines 181 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,768 INFO L268 CegarLoopResult]: For program point L710(lines 710 731) no Hoare annotation was computed. [2020-10-14 19:19:20,768 INFO L268 CegarLoopResult]: For program point L710-2(lines 710 731) no Hoare annotation was computed. [2020-10-14 19:19:20,768 INFO L268 CegarLoopResult]: For program point L1635(line 1635) no Hoare annotation was computed. [2020-10-14 19:19:20,768 INFO L268 CegarLoopResult]: For program point L1569(line 1569) no Hoare annotation was computed. [2020-10-14 19:19:20,768 INFO L268 CegarLoopResult]: For program point L1503(line 1503) no Hoare annotation was computed. [2020-10-14 19:19:20,768 INFO L268 CegarLoopResult]: For program point L1305(lines 1305 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,769 INFO L268 CegarLoopResult]: For program point L248(lines 248 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,769 INFO L268 CegarLoopResult]: For program point L1173(lines 1173 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,769 INFO L268 CegarLoopResult]: For program point L975(lines 975 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,769 INFO L268 CegarLoopResult]: For program point L777(lines 777 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,769 INFO L268 CegarLoopResult]: For program point L513(lines 513 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,769 INFO L268 CegarLoopResult]: For program point L844(lines 844 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,769 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,769 INFO L268 CegarLoopResult]: For program point L1637-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,769 INFO L268 CegarLoopResult]: For program point L1571-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,769 INFO L268 CegarLoopResult]: For program point L1505-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,769 INFO L268 CegarLoopResult]: For program point L1638(line 1638) no Hoare annotation was computed. [2020-10-14 19:19:20,769 INFO L268 CegarLoopResult]: For program point L1572(line 1572) no Hoare annotation was computed. [2020-10-14 19:19:20,769 INFO L268 CegarLoopResult]: For program point L1506(line 1506) no Hoare annotation was computed. [2020-10-14 19:19:20,769 INFO L268 CegarLoopResult]: For program point L450(lines 450 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,770 INFO L268 CegarLoopResult]: For program point L583(lines 583 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,770 INFO L268 CegarLoopResult]: For program point L1640-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,770 INFO L268 CegarLoopResult]: For program point L1574-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,770 INFO L268 CegarLoopResult]: For program point L1508-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,770 INFO L268 CegarLoopResult]: For program point L1442(lines 1442 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,770 INFO L268 CegarLoopResult]: For program point L319(lines 319 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,770 INFO L268 CegarLoopResult]: For program point L1112(lines 1112 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,770 INFO L268 CegarLoopResult]: For program point L55(lines 55 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,770 INFO L268 CegarLoopResult]: For program point L1641(line 1641) no Hoare annotation was computed. [2020-10-14 19:19:20,771 INFO L268 CegarLoopResult]: For program point L1575(line 1575) no Hoare annotation was computed. [2020-10-14 19:19:20,771 INFO L268 CegarLoopResult]: For program point L1509(line 1509) no Hoare annotation was computed. [2020-10-14 19:19:20,771 INFO L268 CegarLoopResult]: For program point L56(lines 56 71) no Hoare annotation was computed. [2020-10-14 19:19:20,771 INFO L268 CegarLoopResult]: For program point L56-2(lines 56 71) no Hoare annotation was computed. [2020-10-14 19:19:20,771 INFO L268 CegarLoopResult]: For program point L784(lines 784 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,771 INFO L268 CegarLoopResult]: For program point L1643-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,771 INFO L268 CegarLoopResult]: For program point L1577-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,771 INFO L268 CegarLoopResult]: For program point L1511-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,771 INFO L268 CegarLoopResult]: For program point L1313(lines 1313 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,771 INFO L268 CegarLoopResult]: For program point L983(lines 983 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,772 INFO L268 CegarLoopResult]: For program point L917(lines 917 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,772 INFO L268 CegarLoopResult]: For program point L653(lines 653 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,772 INFO L268 CegarLoopResult]: For program point L1644(line 1644) no Hoare annotation was computed. [2020-10-14 19:19:20,772 INFO L268 CegarLoopResult]: For program point L1578(line 1578) no Hoare annotation was computed. [2020-10-14 19:19:20,772 INFO L268 CegarLoopResult]: For program point L1512(line 1512) no Hoare annotation was computed. [2020-10-14 19:19:20,772 INFO L268 CegarLoopResult]: For program point L257(lines 257 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,772 INFO L268 CegarLoopResult]: For program point L191(lines 191 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,772 INFO L268 CegarLoopResult]: For program point L1182(lines 1182 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,772 INFO L268 CegarLoopResult]: For program point L918(lines 918 935) no Hoare annotation was computed. [2020-10-14 19:19:20,772 INFO L268 CegarLoopResult]: For program point L918-2(lines 918 935) no Hoare annotation was computed. [2020-10-14 19:19:20,773 INFO L268 CegarLoopResult]: For program point L522(lines 522 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,773 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 54 1650) the Hoare annotation is: (let ((.cse39 (= ~a27~0 1)) (.cse48 (<= ~a0~0 1)) (.cse49 (<= 1 ~a0~0)) (.cse3 (= ~a28~0 |old(~a28~0)|)) (.cse4 (= ~a26~0 |old(~a26~0)|)) (.cse5 (= ~a21~0 |old(~a21~0)|)) (.cse6 (= ~a6~0 |old(~a6~0)|)) (.cse7 (= ~a8~0 |old(~a8~0)|)) (.cse8 (= ~a29~0 |old(~a29~0)|)) (.cse9 (= ~a19~0 |old(~a19~0)|)) (.cse11 (= ~a3~0 |old(~a3~0)|)) (.cse10 (= ~a0~0 |old(~a0~0)|)) (.cse12 (= ~a9~0 |old(~a9~0)|)) (.cse13 (= ~a7~0 |old(~a7~0)|)) (.cse14 (= ~a11~0 |old(~a11~0)|)) (.cse15 (= ~a5~0 |old(~a5~0)|)) (.cse16 (= ~a16~0 |old(~a16~0)|)) (.cse17 (= ~a4~0 |old(~a4~0)|)) (.cse18 (= ~a2~0 |old(~a2~0)|)) (.cse19 (= ~a17~0 |old(~a17~0)|)) (.cse20 (= ~a14~0 |old(~a14~0)|)) (.cse21 (= ~a25~0 |old(~a25~0)|)) (.cse22 (= ~a23~0 |old(~a23~0)|)) (.cse23 (= ~a12~0 |old(~a12~0)|)) (.cse24 (= ~a15~0 |old(~a15~0)|)) (.cse25 (= ~a13~0 |old(~a13~0)|)) (.cse26 (= ~a24~0 |old(~a24~0)|)) (.cse28 (= ~a20~0 |old(~a20~0)|)) (.cse27 (= ~a1~0 1)) (.cse29 (= ~a22~0 |old(~a22~0)|)) (.cse30 (= ~a10~0 |old(~a10~0)|)) (.cse31 (= ~a27~0 |old(~a27~0)|))) (let ((.cse35 (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse11 .cse10 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse28 .cse27 .cse29 .cse30 .cse31)) (.cse2 (not (<= |old(~a3~0)| 0))) (.cse43 (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse48 .cse9 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse49 .cse24 .cse25 .cse26 .cse28 .cse27 .cse29 .cse30 .cse31)) (.cse37 (not (= |old(~a27~0)| 1))) (.cse47 (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse48 .cse9 .cse11 .cse12 .cse13 .cse39 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse49 .cse24 .cse25 .cse26 .cse28 .cse27 .cse29 .cse30)) (.cse38 (not (<= |old(~a11~0)| 1))) (.cse41 (not (<= 2 |old(~a3~0)|))) (.cse36 (not (= 0 |old(~a12~0)|))) (.cse46 (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse28 .cse27 .cse29 .cse30 .cse31)) (.cse40 (not (= |old(~a6~0)| 0))) (.cse0 (not (= |old(~a1~0)| 1))) (.cse1 (not (= |old(~a5~0)| 1))) (.cse42 (not (<= |old(~a0~0)| 1))) (.cse32 (not (<= 1 |old(~a6~0)|))) (.cse33 (not (<= |old(~a11~0)| 0))) (.cse44 (not (<= 1 |old(~a0~0)|))) (.cse34 (not (<= |old(~a6~0)| 1))) (.cse45 (= |old(~a12~0)| |old(~a26~0)|))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31) .cse32 .cse33 .cse34) (or .cse0 .cse1 .cse35 .cse36 .cse32 .cse33 .cse34) (or .cse0 .cse1 .cse37 (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 (= ~a27~0 ~a4~0) .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse28 .cse27 .cse29 .cse30) (not (= |old(~a4~0)| |old(~a26~0)|)) .cse32 (not (= |old(~a4~0)| |old(~a27~0)|)) .cse33 .cse34) (or .cse0 .cse1 .cse38 (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse11 .cse10 .cse12 .cse13 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 (<= 1 ~a11~0) .cse26 .cse28 .cse27 (<= ~a11~0 1) .cse29 .cse30 .cse31) (not (<= 1 |old(~a11~0)|)) .cse32 .cse34) (or .cse0 .cse1 .cse38 .cse37 (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse39 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse28 .cse27 .cse29 .cse30) .cse36 .cse40) (or .cse0 .cse1 .cse35 .cse32 .cse41 .cse33 .cse34) (or .cse0 .cse1 .cse42 .cse43 .cse38 .cse36 .cse44 .cse45 .cse40) (or .cse0 .cse1 .cse2 .cse38 .cse46 .cse40) (or .cse0 .cse1 .cse42 .cse43 .cse33 .cse44 .cse40) (or .cse0 .cse1 .cse42 .cse38 .cse37 .cse47 .cse44 .cse40) (or .cse0 .cse1 .cse42 .cse37 .cse47 .cse32 .cse33 .cse44 .cse34) (or .cse0 .cse1 .cse38 .cse41 .cse46 .cse40) (or .cse0 .cse1 .cse36 .cse46 .cse33 .cse40) (or .cse0 .cse1 .cse42 (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= ~a1~0 |old(~a1~0)|) .cse9 .cse11 .cse10 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse28 .cse29 .cse30 .cse31) .cse32 .cse33 .cse44 .cse34 .cse45)))) [2020-10-14 19:19:20,773 INFO L268 CegarLoopResult]: For program point L1381(lines 1381 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,774 INFO L268 CegarLoopResult]: For program point L1249(lines 1249 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,774 INFO L268 CegarLoopResult]: For program point L192(lines 192 211) no Hoare annotation was computed. [2020-10-14 19:19:20,774 INFO L268 CegarLoopResult]: For program point L126(lines 126 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,774 INFO L268 CegarLoopResult]: For program point L192-2(lines 192 211) no Hoare annotation was computed. [2020-10-14 19:19:20,774 INFO L268 CegarLoopResult]: For program point L853(lines 853 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,774 INFO L268 CegarLoopResult]: For program point L1646-1(lines 1646 1648) no Hoare annotation was computed. [2020-10-14 19:19:20,774 INFO L268 CegarLoopResult]: For program point L1580-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,774 INFO L268 CegarLoopResult]: For program point L1514-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,774 INFO L268 CegarLoopResult]: For program point L1382(lines 1382 1400) no Hoare annotation was computed. [2020-10-14 19:19:20,774 INFO L268 CegarLoopResult]: For program point L1382-2(lines 1382 1400) no Hoare annotation was computed. [2020-10-14 19:19:20,775 INFO L268 CegarLoopResult]: For program point L1250(lines 1250 1272) no Hoare annotation was computed. [2020-10-14 19:19:20,775 INFO L268 CegarLoopResult]: For program point L1250-2(lines 1250 1272) no Hoare annotation was computed. [2020-10-14 19:19:20,775 INFO L268 CegarLoopResult]: For program point L1647(line 1647) no Hoare annotation was computed. [2020-10-14 19:19:20,775 INFO L268 CegarLoopResult]: For program point L1581(line 1581) no Hoare annotation was computed. [2020-10-14 19:19:20,775 INFO L268 CegarLoopResult]: For program point L1515(line 1515) no Hoare annotation was computed. [2020-10-14 19:19:20,775 INFO L268 CegarLoopResult]: For program point L458(lines 458 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,775 INFO L268 CegarLoopResult]: For program point L1120(lines 1120 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,775 INFO L268 CegarLoopResult]: For program point L658(lines 658 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,775 INFO L268 CegarLoopResult]: For program point L592(lines 592 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,776 INFO L268 CegarLoopResult]: For program point L1583-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,776 INFO L268 CegarLoopResult]: For program point L1517-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,776 INFO L268 CegarLoopResult]: For program point L1584(line 1584) no Hoare annotation was computed. [2020-10-14 19:19:20,776 INFO L268 CegarLoopResult]: For program point L1518(line 1518) no Hoare annotation was computed. [2020-10-14 19:19:20,776 INFO L268 CegarLoopResult]: For program point L1452(lines 1452 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,776 INFO L268 CegarLoopResult]: For program point L329(lines 329 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,776 INFO L268 CegarLoopResult]: For program point L1321(lines 1321 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,776 INFO L268 CegarLoopResult]: For program point L529(lines 529 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,776 INFO L268 CegarLoopResult]: For program point L1586-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,777 INFO L268 CegarLoopResult]: For program point L1520-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,777 INFO L268 CegarLoopResult]: For program point L397(lines 397 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,777 INFO L268 CegarLoopResult]: For program point L265(lines 265 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,777 INFO L268 CegarLoopResult]: For program point L1190(lines 1190 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,777 INFO L268 CegarLoopResult]: For program point L1587(line 1587) no Hoare annotation was computed. [2020-10-14 19:19:20,777 INFO L268 CegarLoopResult]: For program point L1521(line 1521) no Hoare annotation was computed. [2020-10-14 19:19:20,777 INFO L268 CegarLoopResult]: For program point L795(lines 795 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,777 INFO L268 CegarLoopResult]: For program point L135(lines 135 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,777 INFO L268 CegarLoopResult]: For program point L994(lines 994 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,777 INFO L268 CegarLoopResult]: For program point L1589-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,778 INFO L268 CegarLoopResult]: For program point L1523-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,778 INFO L268 CegarLoopResult]: For program point L1127(lines 1127 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,778 INFO L268 CegarLoopResult]: For program point L1061(lines 1061 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,778 INFO L268 CegarLoopResult]: For program point L863(lines 863 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,778 INFO L268 CegarLoopResult]: For program point L665(lines 665 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,778 INFO L268 CegarLoopResult]: For program point L1590(line 1590) no Hoare annotation was computed. [2020-10-14 19:19:20,778 INFO L268 CegarLoopResult]: For program point L1524(line 1524) no Hoare annotation was computed. [2020-10-14 19:19:20,778 INFO L268 CegarLoopResult]: For program point L467(lines 467 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,778 INFO L268 CegarLoopResult]: For program point L1326(lines 1326 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,778 INFO L268 CegarLoopResult]: For program point L468(lines 468 478) no Hoare annotation was computed. [2020-10-14 19:19:20,779 INFO L268 CegarLoopResult]: For program point L468-2(lines 468 478) no Hoare annotation was computed. [2020-10-14 19:19:20,779 INFO L268 CegarLoopResult]: For program point L733(lines 733 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,779 INFO L268 CegarLoopResult]: For program point L1592-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,779 INFO L268 CegarLoopResult]: For program point L1526-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,779 INFO L268 CegarLoopResult]: For program point L1460(lines 1460 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,779 INFO L268 CegarLoopResult]: For program point L73(lines 73 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,779 INFO L268 CegarLoopResult]: For program point L1593(line 1593) no Hoare annotation was computed. [2020-10-14 19:19:20,779 INFO L268 CegarLoopResult]: For program point L1527(line 1527) no Hoare annotation was computed. [2020-10-14 19:19:20,779 INFO L268 CegarLoopResult]: For program point L603(lines 603 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,779 INFO L268 CegarLoopResult]: For program point L405(lines 405 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,780 INFO L268 CegarLoopResult]: For program point L339(lines 339 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,780 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1539) no Hoare annotation was computed. [2020-10-14 19:19:20,780 INFO L268 CegarLoopResult]: For program point L1132(lines 1132 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,780 INFO L268 CegarLoopResult]: For program point L1066(lines 1066 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,780 INFO L268 CegarLoopResult]: For program point L868(lines 868 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,780 INFO L268 CegarLoopResult]: For program point L1595-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,780 INFO L268 CegarLoopResult]: For program point L1529-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,780 INFO L268 CegarLoopResult]: For program point L869(lines 869 887) no Hoare annotation was computed. [2020-10-14 19:19:20,780 INFO L268 CegarLoopResult]: For program point L869-2(lines 869 887) no Hoare annotation was computed. [2020-10-14 19:19:20,781 INFO L268 CegarLoopResult]: For program point L1596(line 1596) no Hoare annotation was computed. [2020-10-14 19:19:20,781 INFO L268 CegarLoopResult]: For program point L539(lines 539 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,781 INFO L268 CegarLoopResult]: For program point L1530(line 1530) no Hoare annotation was computed. [2020-10-14 19:19:20,781 INFO L268 CegarLoopResult]: For program point L1200(lines 1200 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,781 INFO L268 CegarLoopResult]: For program point L804(lines 804 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,781 INFO L268 CegarLoopResult]: For program point L276(lines 276 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,781 INFO L268 CegarLoopResult]: For program point L1003(lines 1003 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,781 INFO L268 CegarLoopResult]: For program point L937(lines 937 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,781 INFO L268 CegarLoopResult]: For program point L1598-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,781 INFO L268 CegarLoopResult]: For program point L1532-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,781 INFO L268 CegarLoopResult]: For program point L1466(lines 1466 1468) no Hoare annotation was computed. [2020-10-14 19:19:20,782 INFO L268 CegarLoopResult]: For program point L1466-2(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,782 INFO L268 CegarLoopResult]: For program point L1599(line 1599) no Hoare annotation was computed. [2020-10-14 19:19:20,782 INFO L268 CegarLoopResult]: For program point L1533(line 1533) no Hoare annotation was computed. [2020-10-14 19:19:20,782 INFO L268 CegarLoopResult]: For program point L1467(line 1467) no Hoare annotation was computed. [2020-10-14 19:19:20,782 INFO L268 CegarLoopResult]: For program point L146(lines 146 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,782 INFO L268 CegarLoopResult]: For program point L675(lines 675 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,782 INFO L268 CegarLoopResult]: For program point L1402(lines 1402 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,782 INFO L268 CegarLoopResult]: For program point L1336(lines 1336 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,782 INFO L268 CegarLoopResult]: For program point L213(lines 213 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,782 INFO L268 CegarLoopResult]: For program point L1601-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,783 INFO L268 CegarLoopResult]: For program point L1535-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,783 INFO L268 CegarLoopResult]: For program point L1469-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,783 INFO L268 CegarLoopResult]: For program point L1403(lines 1403 1421) no Hoare annotation was computed. [2020-10-14 19:19:20,783 INFO L268 CegarLoopResult]: For program point L1403-2(lines 1403 1421) no Hoare annotation was computed. [2020-10-14 19:19:20,783 INFO L268 CegarLoopResult]: For program point L82(lines 82 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,783 INFO L268 CegarLoopResult]: For program point L743(lines 743 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,783 INFO L268 CegarLoopResult]: For program point L1602(line 1602) no Hoare annotation was computed. [2020-10-14 19:19:20,783 INFO L268 CegarLoopResult]: For program point L1536(line 1536) no Hoare annotation was computed. [2020-10-14 19:19:20,784 INFO L268 CegarLoopResult]: For program point L1470(line 1470) no Hoare annotation was computed. [2020-10-14 19:19:20,784 INFO L268 CegarLoopResult]: For program point L1074(lines 1074 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,784 INFO L268 CegarLoopResult]: For program point L546(lines 546 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,784 INFO L268 CegarLoopResult]: For program point L480(lines 480 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,784 INFO L268 CegarLoopResult]: For program point L414(lines 414 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,784 INFO L268 CegarLoopResult]: For program point L348(lines 348 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,785 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,785 INFO L268 CegarLoopResult]: For program point L1604-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,785 INFO L268 CegarLoopResult]: For program point L1538-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,785 INFO L268 CegarLoopResult]: For program point L1472-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,785 INFO L268 CegarLoopResult]: For program point L1274(lines 1274 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,785 INFO L268 CegarLoopResult]: For program point L1142(lines 1142 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,786 INFO L268 CegarLoopResult]: For program point L614(lines 614 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,786 INFO L268 CegarLoopResult]: For program point L1605(line 1605) no Hoare annotation was computed. [2020-10-14 19:19:20,786 INFO L268 CegarLoopResult]: For program point L1539(line 1539) no Hoare annotation was computed. [2020-10-14 19:19:20,786 INFO L268 CegarLoopResult]: For program point L1473(line 1473) no Hoare annotation was computed. [2020-10-14 19:19:20,786 INFO L268 CegarLoopResult]: For program point L284(lines 284 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,786 INFO L268 CegarLoopResult]: For program point L1011(lines 1011 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,786 INFO L268 CegarLoopResult]: For program point L813(lines 813 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,786 INFO L268 CegarLoopResult]: For program point L1210(lines 1210 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,787 INFO L268 CegarLoopResult]: For program point L1607-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,787 INFO L268 CegarLoopResult]: For program point L1541-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,787 INFO L268 CegarLoopResult]: For program point L1475-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,787 INFO L268 CegarLoopResult]: For program point L1211(lines 1211 1224) no Hoare annotation was computed. [2020-10-14 19:19:20,787 INFO L268 CegarLoopResult]: For program point L1211-2(lines 1211 1224) no Hoare annotation was computed. [2020-10-14 19:19:20,787 INFO L268 CegarLoopResult]: For program point L947(lines 947 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,787 INFO L268 CegarLoopResult]: For program point L1608(line 1608) no Hoare annotation was computed. [2020-10-14 19:19:20,787 INFO L268 CegarLoopResult]: For program point L1542(line 1542) no Hoare annotation was computed. [2020-10-14 19:19:20,787 INFO L268 CegarLoopResult]: For program point L1476(line 1476) no Hoare annotation was computed. [2020-10-14 19:19:20,787 INFO L268 CegarLoopResult]: For program point L1344(lines 1344 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,787 INFO L268 CegarLoopResult]: For program point L155(lines 155 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,787 INFO L268 CegarLoopResult]: For program point L89(lines 89 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,788 INFO L268 CegarLoopResult]: For program point L684(lines 684 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,788 INFO L268 CegarLoopResult]: For program point L222(lines 222 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,788 INFO L268 CegarLoopResult]: For program point L685(lines 685 699) no Hoare annotation was computed. [2020-10-14 19:19:20,788 INFO L268 CegarLoopResult]: For program point L685-2(lines 685 699) no Hoare annotation was computed. [2020-10-14 19:19:20,788 INFO L268 CegarLoopResult]: For program point L1610-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,788 INFO L268 CegarLoopResult]: For program point L1544-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,788 INFO L268 CegarLoopResult]: For program point L1478-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,790 INFO L268 CegarLoopResult]: For program point L1611(line 1611) no Hoare annotation was computed. [2020-10-14 19:19:20,791 INFO L268 CegarLoopResult]: For program point L1545(line 1545) no Hoare annotation was computed. [2020-10-14 19:19:20,791 INFO L268 CegarLoopResult]: For program point L488(lines 488 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,791 INFO L268 CegarLoopResult]: For program point L1479(line 1479) no Hoare annotation was computed. [2020-10-14 19:19:20,791 INFO L268 CegarLoopResult]: For program point L422(lines 422 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,791 INFO L268 CegarLoopResult]: For program point L356(lines 356 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,791 INFO L268 CegarLoopResult]: For program point L753(lines 753 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,792 INFO L268 CegarLoopResult]: For program point L622(lines 622 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,792 INFO L268 CegarLoopResult]: For program point L556(lines 556 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,792 INFO L268 CegarLoopResult]: For program point L1613-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,792 INFO L268 CegarLoopResult]: For program point L1547-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,792 INFO L268 CegarLoopResult]: For program point L1481-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,792 INFO L268 CegarLoopResult]: For program point L292(lines 292 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,792 INFO L268 CegarLoopResult]: For program point L1283(lines 1283 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,793 INFO L268 CegarLoopResult]: For program point L1614(line 1614) no Hoare annotation was computed. [2020-10-14 19:19:20,793 INFO L268 CegarLoopResult]: For program point L1548(line 1548) no Hoare annotation was computed. [2020-10-14 19:19:20,793 INFO L268 CegarLoopResult]: For program point L1482(line 1482) no Hoare annotation was computed. [2020-10-14 19:19:20,793 INFO L268 CegarLoopResult]: For program point L1350(lines 1350 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,793 INFO L268 CegarLoopResult]: For program point L1284(lines 1284 1303) no Hoare annotation was computed. [2020-10-14 19:19:20,793 INFO L268 CegarLoopResult]: For program point L1284-2(lines 1284 1303) no Hoare annotation was computed. [2020-10-14 19:19:20,793 INFO L268 CegarLoopResult]: For program point L1152(lines 1152 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,793 INFO L268 CegarLoopResult]: For program point L95(lines 95 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,793 INFO L268 CegarLoopResult]: For program point L1086(lines 1086 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,793 INFO L268 CegarLoopResult]: For program point L1021(lines 1021 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,793 INFO L268 CegarLoopResult]: For program point L955(lines 955 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,794 INFO L268 CegarLoopResult]: For program point L889(lines 889 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,794 INFO L268 CegarLoopResult]: For program point L1616-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,794 INFO L268 CegarLoopResult]: For program point L1550-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,794 INFO L268 CegarLoopResult]: For program point L1484-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,794 INFO L268 CegarLoopResult]: For program point L1617(line 1617) no Hoare annotation was computed. [2020-10-14 19:19:20,794 INFO L268 CegarLoopResult]: For program point L1551(line 1551) no Hoare annotation was computed. [2020-10-14 19:19:20,794 INFO L268 CegarLoopResult]: For program point L1485(line 1485) no Hoare annotation was computed. [2020-10-14 19:19:20,794 INFO L268 CegarLoopResult]: For program point L164(lines 164 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,794 INFO L268 CegarLoopResult]: For program point L825(lines 825 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,794 INFO L268 CegarLoopResult]: For program point L1619-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,794 INFO L268 CegarLoopResult]: For program point L1553-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,794 INFO L268 CegarLoopResult]: For program point L1487-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:19:20,794 INFO L268 CegarLoopResult]: For program point L761(lines 761 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,794 INFO L268 CegarLoopResult]: For program point L1620(line 1620) no Hoare annotation was computed. [2020-10-14 19:19:20,794 INFO L268 CegarLoopResult]: For program point L1554(line 1554) no Hoare annotation was computed. [2020-10-14 19:19:20,794 INFO L268 CegarLoopResult]: For program point L497(lines 497 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,794 INFO L268 CegarLoopResult]: For program point L1488(line 1488) no Hoare annotation was computed. [2020-10-14 19:19:20,795 INFO L268 CegarLoopResult]: For program point L233(lines 233 1465) no Hoare annotation was computed. [2020-10-14 19:19:20,795 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 19:19:20,795 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a6~0 0) (<= ~a11~0 0) (= ~a5~0 1) (= ~a27~0 1) (= ~a1~0 1) (= ~a12~0 0) (<= 1 ~a0~0) (<= ~a0~0 1)) [2020-10-14 19:19:20,795 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 19:19:20,795 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 19:19:20,795 INFO L268 CegarLoopResult]: For program point L1666-1(line 1666) no Hoare annotation was computed. [2020-10-14 19:19:20,795 INFO L268 CegarLoopResult]: For program point L1663(line 1663) no Hoare annotation was computed. [2020-10-14 19:19:20,795 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1652 1669) the Hoare annotation is: (or (not (= |old(~a1~0)| 1)) (not (= |old(~a5~0)| 1)) (not (<= |old(~a0~0)| 1)) (not (= |old(~a27~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a26~0 |old(~a26~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (<= ~a0~0 1) (= ~a19~0 |old(~a19~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a9~0 |old(~a9~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a27~0 1) (= ~a11~0 |old(~a11~0)|) (= ~a5~0 |old(~a5~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a2~0 |old(~a2~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a12~0 |old(~a12~0)|) (<= 1 ~a0~0) (= ~a15~0 |old(~a15~0)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a1~0 1) (= ~a22~0 |old(~a22~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 0 |old(~a12~0)|)) (not (<= |old(~a11~0)| 0)) (not (<= 1 |old(~a0~0)|)) (not (= |old(~a6~0)| 0))) [2020-10-14 19:19:20,795 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1652 1669) no Hoare annotation was computed. [2020-10-14 19:19:20,796 INFO L264 CegarLoopResult]: At program point L1658-2(lines 1658 1668) the Hoare annotation is: (let ((.cse2 (<= 2 ~a3~0)) (.cse0 (<= ~a11~0 0)) (.cse1 (<= ~a6~0 1)) (.cse4 (<= 1 ~a6~0)) (.cse13 (<= ~a3~0 0)) (.cse10 (= ~a27~0 1)) (.cse7 (<= 1 ~a0~0)) (.cse6 (= ~a6~0 0)) (.cse12 (not (= ~a26~0 ~a12~0))) (.cse3 (= ~a5~0 |old(~a5~0)|)) (.cse9 (<= ~a11~0 1)) (.cse11 (= ~a12~0 0)) (.cse8 (<= ~a0~0 1)) (.cse5 (= ~a1~0 |old(~a1~0)|))) (or (not (= |old(~a5~0)| 1)) (not (<= |old(~a0~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse3 .cse7 .cse8 .cse5) (and (<= 1 ~a11~0) .cse1 .cse3 .cse9 .cse4 .cse5) (and .cse0 .cse1 .cse10 .cse3 (= ~a26~0 ~a4~0) .cse4 (= ~a27~0 ~a4~0) .cse5) (not (= |old(~a27~0)| 1)) (and .cse0 .cse1 .cse10 .cse3 .cse4 .cse7 .cse8 .cse5) (and .cse6 .cse2 .cse3 .cse9 .cse5) (and .cse0 .cse1 .cse3 .cse11 .cse4 .cse5) (not (<= 1 |old(~a0~0)|)) (and .cse6 .cse0 .cse3 .cse11 .cse5) (not (= |old(~a6~0)| 0)) (and .cse0 .cse1 .cse3 .cse12 .cse4 .cse7 .cse8 .cse5) (not (= |old(~a1~0)| 1)) (and .cse6 .cse10 .cse3 .cse9 .cse11 .cse5) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse13) (and .cse6 .cse3 .cse9 .cse5 .cse13) (and .cse6 .cse10 .cse3 .cse9 .cse7 .cse8 .cse5) (not (= 0 |old(~a12~0)|)) (not (<= |old(~a11~0)| 0)) (and .cse6 .cse12 .cse3 .cse9 .cse11 .cse8 .cse5 (<= |old(~a0~0)| ~a0~0)))) [2020-10-14 19:19:20,796 INFO L268 CegarLoopResult]: For program point L1658-3(lines 1652 1669) no Hoare annotation was computed. [2020-10-14 19:19:20,796 INFO L264 CegarLoopResult]: At program point L1666(line 1666) the Hoare annotation is: (let ((.cse2 (<= 2 ~a3~0)) (.cse0 (<= ~a11~0 0)) (.cse1 (<= ~a6~0 1)) (.cse4 (<= 1 ~a6~0)) (.cse13 (<= ~a3~0 0)) (.cse10 (= ~a27~0 1)) (.cse7 (<= 1 ~a0~0)) (.cse6 (= ~a6~0 0)) (.cse12 (not (= ~a26~0 ~a12~0))) (.cse3 (= ~a5~0 |old(~a5~0)|)) (.cse9 (<= ~a11~0 1)) (.cse11 (= ~a12~0 0)) (.cse8 (<= ~a0~0 1)) (.cse5 (= ~a1~0 |old(~a1~0)|))) (or (not (= |old(~a5~0)| 1)) (not (<= |old(~a0~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse3 .cse7 .cse8 .cse5) (and (<= 1 ~a11~0) .cse1 .cse3 .cse9 .cse4 .cse5) (and .cse0 .cse1 .cse10 .cse3 (= ~a26~0 ~a4~0) .cse4 (= ~a27~0 ~a4~0) .cse5) (not (= |old(~a27~0)| 1)) (and .cse0 .cse1 .cse10 .cse3 .cse4 .cse7 .cse8 .cse5) (and .cse6 .cse2 .cse3 .cse9 .cse5) (and .cse0 .cse1 .cse3 .cse11 .cse4 .cse5) (not (<= 1 |old(~a0~0)|)) (and .cse6 .cse0 .cse3 .cse11 .cse5) (not (= |old(~a6~0)| 0)) (and .cse0 .cse1 .cse3 .cse12 .cse4 .cse7 .cse8 .cse5) (not (= |old(~a1~0)| 1)) (and .cse6 .cse10 .cse3 .cse9 .cse11 .cse5) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse13) (and .cse6 .cse3 .cse9 .cse5 .cse13) (and .cse6 .cse10 .cse3 .cse9 .cse7 .cse8 .cse5) (not (= 0 |old(~a12~0)|)) (not (<= |old(~a11~0)| 0)) (and .cse6 .cse12 .cse3 .cse9 .cse11 .cse8 .cse5 (<= |old(~a0~0)| ~a0~0)))) [2020-10-14 19:19:20,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 07:19:20 BoogieIcfgContainer [2020-10-14 19:19:20,825 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 19:19:20,830 INFO L168 Benchmark]: Toolchain (without parser) took 156027.78 ms. Allocated memory was 145.2 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 96.4 MB in the beginning and 219.5 MB in the end (delta: -123.1 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2020-10-14 19:19:20,831 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 145.2 MB. Free memory was 119.8 MB in the beginning and 119.4 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-14 19:19:20,832 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1173.40 ms. Allocated memory was 145.2 MB in the beginning and 230.7 MB in the end (delta: 85.5 MB). Free memory was 96.4 MB in the beginning and 179.1 MB in the end (delta: -82.7 MB). Peak memory consumption was 49.7 MB. Max. memory is 7.1 GB. [2020-10-14 19:19:20,832 INFO L168 Benchmark]: Boogie Preprocessor took 186.43 ms. Allocated memory is still 230.7 MB. Free memory was 179.1 MB in the beginning and 167.3 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2020-10-14 19:19:20,833 INFO L168 Benchmark]: RCFGBuilder took 2179.69 ms. Allocated memory was 230.7 MB in the beginning and 271.1 MB in the end (delta: 40.4 MB). Free memory was 167.3 MB in the beginning and 218.8 MB in the end (delta: -51.5 MB). Peak memory consumption was 123.9 MB. Max. memory is 7.1 GB. [2020-10-14 19:19:20,834 INFO L168 Benchmark]: TraceAbstraction took 152477.49 ms. Allocated memory was 271.1 MB in the beginning and 2.7 GB in the end (delta: 2.4 GB). Free memory was 216.3 MB in the beginning and 219.5 MB in the end (delta: -3.2 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2020-10-14 19:19:20,837 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 145.2 MB. Free memory was 119.8 MB in the beginning and 119.4 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1173.40 ms. Allocated memory was 145.2 MB in the beginning and 230.7 MB in the end (delta: 85.5 MB). Free memory was 96.4 MB in the beginning and 179.1 MB in the end (delta: -82.7 MB). Peak memory consumption was 49.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 186.43 ms. Allocated memory is still 230.7 MB. Free memory was 179.1 MB in the beginning and 167.3 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2179.69 ms. Allocated memory was 230.7 MB in the beginning and 271.1 MB in the end (delta: 40.4 MB). Free memory was 167.3 MB in the beginning and 218.8 MB in the end (delta: -51.5 MB). Peak memory consumption was 123.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 152477.49 ms. Allocated memory was 271.1 MB in the beginning and 2.7 GB in the end (delta: 2.4 GB). Free memory was 216.3 MB in the beginning and 219.5 MB in the end (delta: -3.2 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1539]: 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: 1658]: Loop Invariant Derived loop invariant: ((((((((((((((((((((!(\old(a5) == 1) || !(\old(a0) <= 1)) || (((((a11 <= 0 && a6 <= 1) && 2 <= a3) && a5 == \old(a5)) && 1 <= a6) && a1 == \old(a1))) || (((((a6 == 0 && a11 <= 0) && a5 == \old(a5)) && 1 <= a0) && a0 <= 1) && a1 == \old(a1))) || (((((1 <= a11 && a6 <= 1) && a5 == \old(a5)) && a11 <= 1) && 1 <= a6) && a1 == \old(a1))) || (((((((a11 <= 0 && a6 <= 1) && a27 == 1) && a5 == \old(a5)) && a26 == a4) && 1 <= a6) && a27 == a4) && a1 == \old(a1))) || !(\old(a27) == 1)) || (((((((a11 <= 0 && a6 <= 1) && a27 == 1) && a5 == \old(a5)) && 1 <= a6) && 1 <= a0) && a0 <= 1) && a1 == \old(a1))) || ((((a6 == 0 && 2 <= a3) && a5 == \old(a5)) && a11 <= 1) && a1 == \old(a1))) || (((((a11 <= 0 && a6 <= 1) && a5 == \old(a5)) && a12 == 0) && 1 <= a6) && a1 == \old(a1))) || !(1 <= \old(a0))) || ((((a6 == 0 && a11 <= 0) && a5 == \old(a5)) && a12 == 0) && a1 == \old(a1))) || !(\old(a6) == 0)) || (((((((a11 <= 0 && a6 <= 1) && a5 == \old(a5)) && !(a26 == a12)) && 1 <= a6) && 1 <= a0) && a0 <= 1) && a1 == \old(a1))) || !(\old(a1) == 1)) || (((((a6 == 0 && a27 == 1) && a5 == \old(a5)) && a11 <= 1) && a12 == 0) && a1 == \old(a1))) || (((((a11 <= 0 && a6 <= 1) && a5 == \old(a5)) && 1 <= a6) && a1 == \old(a1)) && a3 <= 0)) || ((((a6 == 0 && a5 == \old(a5)) && a11 <= 1) && a1 == \old(a1)) && a3 <= 0)) || ((((((a6 == 0 && a27 == 1) && a5 == \old(a5)) && a11 <= 1) && 1 <= a0) && a0 <= 1) && a1 == \old(a1))) || !(0 == \old(a12))) || !(\old(a11) <= 0)) || (((((((a6 == 0 && !(a26 == a12)) && a5 == \old(a5)) && a11 <= 1) && a12 == 0) && a0 <= 1) && a1 == \old(a1)) && \old(a0) <= a0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 311 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 112.1s, OverallIterations: 13, TraceHistogramMax: 5, AutomataDifference: 43.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 40.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 665 SDtfs, 8073 SDslu, 946 SDs, 0 SdLazy, 21392 SolverSat, 3135 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 31.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 212 GetRequests, 122 SyntacticMatches, 5 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35891occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 14034 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 890 PreInvPairs, 1156 NumberOfFragments, 2535 HoareAnnotationTreeSize, 890 FomulaSimplifications, 11563291 FormulaSimplificationTreeSizeReduction, 11.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 254453 FormulaSimplificationTreeSizeReductionInter, 28.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 59.5s InterpolantComputationTime, 3446 NumberOfCodeBlocks, 3446 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3433 ConstructedInterpolants, 0 QuantifiedInterpolants, 4511366 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 1440/1667 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...