/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/Problem10_label56.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 20:54:32,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 20:54:32,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 20:54:32,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 20:54:32,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 20:54:32,314 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 20:54:32,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 20:54:32,320 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 20:54:32,322 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 20:54:32,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 20:54:32,326 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 20:54:32,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 20:54:32,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 20:54:32,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 20:54:32,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 20:54:32,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 20:54:32,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 20:54:32,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 20:54:32,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 20:54:32,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 20:54:32,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 20:54:32,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 20:54:32,355 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 20:54:32,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 20:54:32,368 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 20:54:32,368 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 20:54:32,368 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 20:54:32,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 20:54:32,373 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 20:54:32,374 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 20:54:32,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 20:54:32,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 20:54:32,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 20:54:32,381 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 20:54:32,385 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 20:54:32,386 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 20:54:32,386 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 20:54:32,387 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 20:54:32,387 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 20:54:32,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 20:54:32,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 20:54:32,392 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 20:54:32,436 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 20:54:32,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 20:54:32,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 20:54:32,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 20:54:32,438 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 20:54:32,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 20:54:32,439 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 20:54:32,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 20:54:32,440 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 20:54:32,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 20:54:32,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 20:54:32,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 20:54:32,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 20:54:32,442 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 20:54:32,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 20:54:32,443 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 20:54:32,444 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 20:54:32,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 20:54:32,444 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 20:54:32,445 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 20:54:32,446 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 20:54:32,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 20:54:32,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 20:54:32,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 20:54:32,448 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 20:54:32,448 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 20:54:32,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 20:54:32,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 20:54:32,451 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 20:54:32,451 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 20:54:32,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 20:54:32,754 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 20:54:32,758 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 20:54:32,759 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 20:54:32,759 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 20:54:32,760 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label56.c [2020-10-14 20:54:32,838 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e6769c314/410bda0a7ca44211962f8ac9bd5df7fc/FLAGadf06f480 [2020-10-14 20:54:33,443 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 20:54:33,444 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label56.c [2020-10-14 20:54:33,458 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e6769c314/410bda0a7ca44211962f8ac9bd5df7fc/FLAGadf06f480 [2020-10-14 20:54:33,671 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e6769c314/410bda0a7ca44211962f8ac9bd5df7fc [2020-10-14 20:54:33,681 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 20:54:33,683 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 20:54:33,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 20:54:33,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 20:54:33,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 20:54:33,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:54:33" (1/1) ... [2020-10-14 20:54:33,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@742dacf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:33, skipping insertion in model container [2020-10-14 20:54:33,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:54:33" (1/1) ... [2020-10-14 20:54:33,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 20:54:33,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 20:54:34,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:54:34,244 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 20:54:34,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:54:34,515 INFO L208 MainTranslator]: Completed translation [2020-10-14 20:54:34,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:34 WrapperNode [2020-10-14 20:54:34,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 20:54:34,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 20:54:34,517 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 20:54:34,517 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 20:54:34,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:34" (1/1) ... [2020-10-14 20:54:34,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:34" (1/1) ... [2020-10-14 20:54:34,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:34" (1/1) ... [2020-10-14 20:54:34,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:34" (1/1) ... [2020-10-14 20:54:34,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:34" (1/1) ... [2020-10-14 20:54:34,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:34" (1/1) ... [2020-10-14 20:54:34,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:34" (1/1) ... [2020-10-14 20:54:34,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 20:54:34,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 20:54:34,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 20:54:34,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 20:54:34,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:34" (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 20:54:34,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 20:54:34,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 20:54:34,718 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 20:54:34,718 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 20:54:34,719 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 20:54:34,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 20:54:34,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 20:54:34,721 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 20:54:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 20:54:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 20:54:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 20:54:36,121 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 20:54:36,121 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 20:54:36,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:54:36 BoogieIcfgContainer [2020-10-14 20:54:36,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 20:54:36,136 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 20:54:36,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 20:54:36,140 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 20:54:36,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:54:33" (1/3) ... [2020-10-14 20:54:36,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ae2c8e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:54:36, skipping insertion in model container [2020-10-14 20:54:36,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:34" (2/3) ... [2020-10-14 20:54:36,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ae2c8e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:54:36, skipping insertion in model container [2020-10-14 20:54:36,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:54:36" (3/3) ... [2020-10-14 20:54:36,145 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label56.c [2020-10-14 20:54:36,155 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 20:54:36,163 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 20:54:36,174 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 20:54:36,201 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 20:54:36,202 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 20:54:36,202 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 20:54:36,202 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 20:54:36,202 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 20:54:36,202 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 20:54:36,202 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 20:54:36,203 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 20:54:36,225 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-14 20:54:36,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-14 20:54:36,233 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:36,234 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] [2020-10-14 20:54:36,235 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:36,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:36,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1758937742, now seen corresponding path program 1 times [2020-10-14 20:54:36,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:36,250 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1424934705] [2020-10-14 20:54:36,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:36,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:36,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:36,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 20:54:36,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:36,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 322 [2020-10-14 20:54:36,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:36,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:36,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:54:36,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:54:36,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-14 20:54:36,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 20:54:36,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:36,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:36,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:36,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:36,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:36,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 20:54:36,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:36,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:36,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:36,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:36,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:54:36,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:36,849 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 20:54:36,850 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1424934705] [2020-10-14 20:54:36,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:54:36,853 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 20:54:36,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959856163] [2020-10-14 20:54:36,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 20:54:36,859 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:36,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 20:54:36,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 20:54:36,877 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-10-14 20:54:38,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:38,365 INFO L93 Difference]: Finished difference Result 581 states and 1006 transitions. [2020-10-14 20:54:38,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:54:38,367 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2020-10-14 20:54:38,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:38,398 INFO L225 Difference]: With dead ends: 581 [2020-10-14 20:54:38,398 INFO L226 Difference]: Without dead ends: 302 [2020-10-14 20:54:38,409 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:54:38,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-14 20:54:38,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2020-10-14 20:54:38,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-14 20:54:38,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 395 transitions. [2020-10-14 20:54:38,526 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 395 transitions. Word has length 29 [2020-10-14 20:54:38,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:38,527 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 395 transitions. [2020-10-14 20:54:38,527 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 20:54:38,527 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 395 transitions. [2020-10-14 20:54:38,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-14 20:54:38,536 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:38,537 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:54:38,538 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 20:54:38,538 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:38,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:38,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1580206774, now seen corresponding path program 1 times [2020-10-14 20:54:38,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:38,540 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [435088236] [2020-10-14 20:54:38,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:38,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:38,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:38,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:39,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:39,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-14 20:54:39,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:54:39,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 628 [2020-10-14 20:54:39,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:39,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:39,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 20:54:39,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:54:39,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-14 20:54:39,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:39,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:39,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:39,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:39,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:39,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:39,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 20:54:39,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:39,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:39,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:39,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:39,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:54:39,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:39,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:39,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:39,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:39,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:39,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:54:39,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:54:39,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-14 20:54:39,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:39,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:39,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:39,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:39,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:54:39,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:39,524 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 20:54:39,525 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [435088236] [2020-10-14 20:54:39,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:39,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:54:39,526 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034608471] [2020-10-14 20:54:39,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:54:39,528 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:39,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:54:39,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:54:39,529 INFO L87 Difference]: Start difference. First operand 298 states and 395 transitions. Second operand 5 states. [2020-10-14 20:54:40,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:40,747 INFO L93 Difference]: Finished difference Result 884 states and 1197 transitions. [2020-10-14 20:54:40,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:54:40,748 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 99 [2020-10-14 20:54:40,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:40,753 INFO L225 Difference]: With dead ends: 884 [2020-10-14 20:54:40,753 INFO L226 Difference]: Without dead ends: 592 [2020-10-14 20:54:40,756 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:54:40,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-14 20:54:40,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 588. [2020-10-14 20:54:40,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2020-10-14 20:54:40,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 756 transitions. [2020-10-14 20:54:40,814 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 756 transitions. Word has length 99 [2020-10-14 20:54:40,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:40,817 INFO L479 AbstractCegarLoop]: Abstraction has 588 states and 756 transitions. [2020-10-14 20:54:40,817 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:54:40,817 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 756 transitions. [2020-10-14 20:54:40,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-14 20:54:40,825 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:40,826 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:54:40,828 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 20:54:40,828 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:40,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:40,829 INFO L82 PathProgramCache]: Analyzing trace with hash -2121847535, now seen corresponding path program 1 times [2020-10-14 20:54:40,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:40,829 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [8517174] [2020-10-14 20:54:40,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:40,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:41,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:41,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:41,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 20:54:41,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:54:41,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 431 [2020-10-14 20:54:41,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:41,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:41,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:41,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-14 20:54:41,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 20:54:41,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:41,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:41,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:41,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:41,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:41,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:41,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:41,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 20:54:41,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:41,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:41,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:41,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:41,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:41,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 20:54:41,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:41,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:41,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:41,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 20:54:41,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:41,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-14 20:54:41,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:41,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:41,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:41,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:41,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:54:41,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:41,569 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:54:41,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [8517174] [2020-10-14 20:54:41,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:41,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:54:41,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959918660] [2020-10-14 20:54:41,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:54:41,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:41,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:54:41,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:54:41,572 INFO L87 Difference]: Start difference. First operand 588 states and 756 transitions. Second operand 5 states. [2020-10-14 20:54:42,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:42,435 INFO L93 Difference]: Finished difference Result 1197 states and 1546 transitions. [2020-10-14 20:54:42,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:54:42,436 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 108 [2020-10-14 20:54:42,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:42,440 INFO L225 Difference]: With dead ends: 1197 [2020-10-14 20:54:42,440 INFO L226 Difference]: Without dead ends: 592 [2020-10-14 20:54:42,442 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:54:42,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-14 20:54:42,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 588. [2020-10-14 20:54:42,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2020-10-14 20:54:42,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 751 transitions. [2020-10-14 20:54:42,467 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 751 transitions. Word has length 108 [2020-10-14 20:54:42,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:42,468 INFO L479 AbstractCegarLoop]: Abstraction has 588 states and 751 transitions. [2020-10-14 20:54:42,468 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:54:42,468 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 751 transitions. [2020-10-14 20:54:42,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-14 20:54:42,472 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:42,472 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:54:42,473 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 20:54:42,473 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:42,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:42,473 INFO L82 PathProgramCache]: Analyzing trace with hash -1492830742, now seen corresponding path program 1 times [2020-10-14 20:54:42,474 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:42,474 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [821431503] [2020-10-14 20:54:42,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:42,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:42,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:43,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:43,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:43,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 20:54:43,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:54:43,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 883 [2020-10-14 20:54:43,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:43,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:43,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:54:43,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 20:54:43,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-14 20:54:43,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:43,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:43,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:43,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:43,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:43,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:43,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 20:54:43,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:43,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:43,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:43,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:43,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:43,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:43,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:43,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:43,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:43,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:54:43,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:43,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-14 20:54:43,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:43,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:43,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:43,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:43,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:54:43,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:43,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 20:54:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:43,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:43,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:43,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:43,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 20:54:43,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:54:43,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-14 20:54:43,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:43,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:43,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:43,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:43,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 20:54:43,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:43,888 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 44 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-14 20:54:43,889 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [821431503] [2020-10-14 20:54:43,889 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:43,889 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 20:54:43,890 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091777701] [2020-10-14 20:54:43,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 20:54:43,891 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:43,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 20:54:43,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:54:43,891 INFO L87 Difference]: Start difference. First operand 588 states and 751 transitions. Second operand 6 states. [2020-10-14 20:54:45,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:45,448 INFO L93 Difference]: Finished difference Result 1754 states and 2400 transitions. [2020-10-14 20:54:45,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 20:54:45,448 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 171 [2020-10-14 20:54:45,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:45,462 INFO L225 Difference]: With dead ends: 1754 [2020-10-14 20:54:45,462 INFO L226 Difference]: Without dead ends: 1172 [2020-10-14 20:54:45,464 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:54:45,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2020-10-14 20:54:45,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1168. [2020-10-14 20:54:45,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1168 states. [2020-10-14 20:54:45,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 1168 states and 1525 transitions. [2020-10-14 20:54:45,514 INFO L78 Accepts]: Start accepts. Automaton has 1168 states and 1525 transitions. Word has length 171 [2020-10-14 20:54:45,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:45,516 INFO L479 AbstractCegarLoop]: Abstraction has 1168 states and 1525 transitions. [2020-10-14 20:54:45,516 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 20:54:45,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1525 transitions. [2020-10-14 20:54:45,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-14 20:54:45,527 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:45,527 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:54:45,527 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 20:54:45,528 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:45,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:45,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1671530833, now seen corresponding path program 1 times [2020-10-14 20:54:45,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:45,528 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [823694374] [2020-10-14 20:54:45,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:45,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:45,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:46,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:46,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:48,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:48,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:48,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-14 20:54:48,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 20:54:48,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3439 [2020-10-14 20:54:48,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:48,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:48,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:54:48,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-14 20:54:49,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 20:54:49,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:49,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:49,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:49,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:49,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:49,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:49,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:54:49,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:49,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:49,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:49,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:49,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:49,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:49,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:49,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:49,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:49,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 20:54:49,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:49,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-14 20:54:49,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:49,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:49,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:49,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:49,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-14 20:54:49,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:49,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 20:54:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:49,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:49,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:49,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:49,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 20:54:49,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:54:49,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 214 [2020-10-14 20:54:49,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:49,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:49,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:49,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:49,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-14 20:54:49,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:49,530 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 94 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 20:54:49,531 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [823694374] [2020-10-14 20:54:49,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:49,531 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:54:49,531 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098914805] [2020-10-14 20:54:49,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:54:49,532 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:49,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:54:49,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:54:49,534 INFO L87 Difference]: Start difference. First operand 1168 states and 1525 transitions. Second operand 8 states. [2020-10-14 20:54:51,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:51,568 INFO L93 Difference]: Finished difference Result 2656 states and 3570 transitions. [2020-10-14 20:54:51,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 20:54:51,569 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 196 [2020-10-14 20:54:51,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:51,579 INFO L225 Difference]: With dead ends: 2656 [2020-10-14 20:54:51,579 INFO L226 Difference]: Without dead ends: 1494 [2020-10-14 20:54:51,582 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-14 20:54:51,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1494 states. [2020-10-14 20:54:51,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1494 to 1337. [2020-10-14 20:54:51,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1337 states. [2020-10-14 20:54:51,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 1337 states and 1741 transitions. [2020-10-14 20:54:51,626 INFO L78 Accepts]: Start accepts. Automaton has 1337 states and 1741 transitions. Word has length 196 [2020-10-14 20:54:51,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:51,627 INFO L479 AbstractCegarLoop]: Abstraction has 1337 states and 1741 transitions. [2020-10-14 20:54:51,627 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:54:51,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 1741 transitions. [2020-10-14 20:54:51,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-14 20:54:51,631 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:51,631 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:54:51,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 20:54:51,632 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:51,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:51,632 INFO L82 PathProgramCache]: Analyzing trace with hash 662877061, now seen corresponding path program 1 times [2020-10-14 20:54:51,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:51,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [625579478] [2020-10-14 20:54:51,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:51,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:51,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:52,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:53,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:53,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:55,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:55,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-14 20:54:55,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 20:54:55,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4143 [2020-10-14 20:54:55,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:55,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:55,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:54:55,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-14 20:54:55,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 20:54:55,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:55,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:55,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:55,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:55,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:55,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:55,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:54:55,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:55,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:55,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:55,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:55,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:55,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:55,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:55,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:55,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:55,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 20:54:55,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:55,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-14 20:54:55,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:55,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:55,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:55,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:55,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-14 20:54:55,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:56,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-14 20:54:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:56,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:56,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:56,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:56,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 20:54:56,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:54:56,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-14 20:54:56,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:56,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:56,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:56,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:56,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-14 20:54:56,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:56,250 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 104 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 20:54:56,251 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [625579478] [2020-10-14 20:54:56,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:56,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:54:56,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118757259] [2020-10-14 20:54:56,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:54:56,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:56,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:54:56,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:54:56,254 INFO L87 Difference]: Start difference. First operand 1337 states and 1741 transitions. Second operand 7 states. [2020-10-14 20:54:57,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:57,877 INFO L93 Difference]: Finished difference Result 3854 states and 5188 transitions. [2020-10-14 20:54:57,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 20:54:57,880 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 206 [2020-10-14 20:54:57,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:57,896 INFO L225 Difference]: With dead ends: 3854 [2020-10-14 20:54:57,897 INFO L226 Difference]: Without dead ends: 2523 [2020-10-14 20:54:57,901 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-14 20:54:57,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2523 states. [2020-10-14 20:54:57,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2523 to 2364. [2020-10-14 20:54:57,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2364 states. [2020-10-14 20:54:57,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2364 states to 2364 states and 2989 transitions. [2020-10-14 20:54:57,980 INFO L78 Accepts]: Start accepts. Automaton has 2364 states and 2989 transitions. Word has length 206 [2020-10-14 20:54:57,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:57,981 INFO L479 AbstractCegarLoop]: Abstraction has 2364 states and 2989 transitions. [2020-10-14 20:54:57,981 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:54:57,981 INFO L276 IsEmpty]: Start isEmpty. Operand 2364 states and 2989 transitions. [2020-10-14 20:54:57,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-10-14 20:54:57,987 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:57,988 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:54:57,988 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 20:54:57,988 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:57,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:57,989 INFO L82 PathProgramCache]: Analyzing trace with hash -499290238, now seen corresponding path program 1 times [2020-10-14 20:54:57,989 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:57,989 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1974003396] [2020-10-14 20:54:57,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:58,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:58,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:58,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:00,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:01,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:01,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-10-14 20:55:01,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:55:01,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3798 [2020-10-14 20:55:01,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:01,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:01,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:01,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-14 20:55:01,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 20:55:01,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:01,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:01,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:01,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:01,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:01,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:01,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:55:01,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:01,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:01,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:01,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:01,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:01,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 20:55:01,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:01,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:02,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:02,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 20:55:02,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:02,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-14 20:55:02,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:02,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:02,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:02,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:02,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-14 20:55:02,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:02,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 20:55:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:02,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:02,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:02,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 20:55:02,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:02,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-14 20:55:02,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:02,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:02,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:02,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:55:02,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-14 20:55:02,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:02,395 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 131 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:55:02,396 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1974003396] [2020-10-14 20:55:02,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:55:02,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:55:02,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571474700] [2020-10-14 20:55:02,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:55:02,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:02,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:55:02,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:55:02,400 INFO L87 Difference]: Start difference. First operand 2364 states and 2989 transitions. Second operand 7 states. [2020-10-14 20:55:03,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:03,956 INFO L93 Difference]: Finished difference Result 5904 states and 7629 transitions. [2020-10-14 20:55:03,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:55:03,962 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 215 [2020-10-14 20:55:03,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:03,981 INFO L225 Difference]: With dead ends: 5904 [2020-10-14 20:55:03,981 INFO L226 Difference]: Without dead ends: 3546 [2020-10-14 20:55:03,988 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:55:03,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3546 states. [2020-10-14 20:55:04,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3546 to 3389. [2020-10-14 20:55:04,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3389 states. [2020-10-14 20:55:04,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3389 states to 3389 states and 4337 transitions. [2020-10-14 20:55:04,082 INFO L78 Accepts]: Start accepts. Automaton has 3389 states and 4337 transitions. Word has length 215 [2020-10-14 20:55:04,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:04,083 INFO L479 AbstractCegarLoop]: Abstraction has 3389 states and 4337 transitions. [2020-10-14 20:55:04,083 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:55:04,083 INFO L276 IsEmpty]: Start isEmpty. Operand 3389 states and 4337 transitions. [2020-10-14 20:55:04,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2020-10-14 20:55:04,094 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:04,094 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:55:04,094 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 20:55:04,094 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:04,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:04,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1512914114, now seen corresponding path program 1 times [2020-10-14 20:55:04,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:04,095 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1186466094] [2020-10-14 20:55:04,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:04,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:04,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:05,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:05,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-10-14 20:55:05,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:55:05,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 932 [2020-10-14 20:55:05,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:05,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:05,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 20:55:05,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 20:55:05,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 171 [2020-10-14 20:55:05,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:05,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:05,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:05,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:05,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:05,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:05,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:05,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:55:05,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:05,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:05,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:05,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:05,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:05,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:05,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:05,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:05,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:05,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:55:05,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:05,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-14 20:55:05,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:05,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:05,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:05,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:05,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-14 20:55:05,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:05,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:55:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:05,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:05,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:05,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 20:55:05,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:05,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-10-14 20:55:05,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:05,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:05,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 20:55:05,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:55:05,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 20:55:05,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:05,865 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 136 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:55:05,865 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1186466094] [2020-10-14 20:55:05,866 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:55:05,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:55:05,866 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868638304] [2020-10-14 20:55:05,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:55:05,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:05,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:55:05,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:55:05,867 INFO L87 Difference]: Start difference. First operand 3389 states and 4337 transitions. Second operand 8 states. [2020-10-14 20:55:08,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:08,250 INFO L93 Difference]: Finished difference Result 9400 states and 12311 transitions. [2020-10-14 20:55:08,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:55:08,250 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 285 [2020-10-14 20:55:08,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:08,282 INFO L225 Difference]: With dead ends: 9400 [2020-10-14 20:55:08,283 INFO L226 Difference]: Without dead ends: 6017 [2020-10-14 20:55:08,294 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:55:08,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6017 states. [2020-10-14 20:55:08,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6017 to 5868. [2020-10-14 20:55:08,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5868 states. [2020-10-14 20:55:08,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5868 states to 5868 states and 7546 transitions. [2020-10-14 20:55:08,490 INFO L78 Accepts]: Start accepts. Automaton has 5868 states and 7546 transitions. Word has length 285 [2020-10-14 20:55:08,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:08,490 INFO L479 AbstractCegarLoop]: Abstraction has 5868 states and 7546 transitions. [2020-10-14 20:55:08,490 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:55:08,491 INFO L276 IsEmpty]: Start isEmpty. Operand 5868 states and 7546 transitions. [2020-10-14 20:55:08,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2020-10-14 20:55:08,504 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:08,505 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:55:08,505 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 20:55:08,505 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:08,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:08,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1890712877, now seen corresponding path program 1 times [2020-10-14 20:55:08,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:08,506 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2119329279] [2020-10-14 20:55:08,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:08,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:08,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:08,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:09,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:10,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:10,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 324 [2020-10-14 20:55:10,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:55:10,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2219 [2020-10-14 20:55:10,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:10,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:10,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:10,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 20:55:10,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-14 20:55:10,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:10,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:10,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:10,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:10,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:10,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:10,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:55:10,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:10,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:10,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:10,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:10,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:10,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:10,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:10,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:10,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:10,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:55:10,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:10,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 20:55:10,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:10,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:10,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:10,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:10,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:55:10,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:10,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 20:55:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:10,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:11,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:11,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-14 20:55:11,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:11,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-10-14 20:55:11,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:11,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:11,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:11,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:55:11,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 20:55:11,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:11,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-14 20:55:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:11,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:11,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:11,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 20:55:11,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:11,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 20:55:11,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:11,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:11,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:11,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-14 20:55:11,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:11,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:11,436 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 137 proven. 89 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-14 20:55:11,443 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2119329279] [2020-10-14 20:55:11,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:55:11,444 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:55:11,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565826619] [2020-10-14 20:55:11,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:55:11,446 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:11,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:55:11,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:55:11,447 INFO L87 Difference]: Start difference. First operand 5868 states and 7546 transitions. Second operand 7 states. [2020-10-14 20:55:13,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:13,517 INFO L93 Difference]: Finished difference Result 11889 states and 15295 transitions. [2020-10-14 20:55:13,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:55:13,518 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 310 [2020-10-14 20:55:13,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:13,547 INFO L225 Difference]: With dead ends: 11889 [2020-10-14 20:55:13,548 INFO L226 Difference]: Without dead ends: 6027 [2020-10-14 20:55:13,564 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:55:13,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6027 states. [2020-10-14 20:55:13,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6027 to 4585. [2020-10-14 20:55:13,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4585 states. [2020-10-14 20:55:13,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4585 states to 4585 states and 5448 transitions. [2020-10-14 20:55:13,708 INFO L78 Accepts]: Start accepts. Automaton has 4585 states and 5448 transitions. Word has length 310 [2020-10-14 20:55:13,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:13,709 INFO L479 AbstractCegarLoop]: Abstraction has 4585 states and 5448 transitions. [2020-10-14 20:55:13,709 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:55:13,709 INFO L276 IsEmpty]: Start isEmpty. Operand 4585 states and 5448 transitions. [2020-10-14 20:55:13,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2020-10-14 20:55:13,722 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:13,722 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:55:13,722 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 20:55:13,722 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:13,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:13,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1544705969, now seen corresponding path program 1 times [2020-10-14 20:55:13,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:13,724 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1420084449] [2020-10-14 20:55:13,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:13,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:13,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:13,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:14,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:18,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:18,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:18,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 330 [2020-10-14 20:55:18,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 20:55:18,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-14 20:55:18,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:18,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:18,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:55:18,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 209 [2020-10-14 20:55:18,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 20:55:18,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:18,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:18,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:18,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:18,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:18,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:18,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:55:18,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:18,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:18,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:18,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:18,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:18,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:18,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:18,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:18,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:18,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 20:55:18,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:18,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 20:55:18,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:18,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:18,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:18,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:18,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:18,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:18,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 20:55:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:19,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:19,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:19,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-14 20:55:19,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:19,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 20:55:19,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:19,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:19,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:19,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:19,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-14 20:55:19,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:19,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-14 20:55:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:19,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:19,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:19,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:19,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 20:55:19,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:55:19,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-14 20:55:19,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:19,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:19,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:19,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:19,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 20:55:19,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:19,229 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 74 proven. 3 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2020-10-14 20:55:19,229 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1420084449] [2020-10-14 20:55:19,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:55:19,229 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 20:55:19,230 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025727543] [2020-10-14 20:55:19,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 20:55:19,230 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:19,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 20:55:19,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:55:19,231 INFO L87 Difference]: Start difference. First operand 4585 states and 5448 transitions. Second operand 6 states. [2020-10-14 20:55:21,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:21,049 INFO L93 Difference]: Finished difference Result 11039 states and 13373 transitions. [2020-10-14 20:55:21,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 20:55:21,056 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 316 [2020-10-14 20:55:21,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:21,093 INFO L225 Difference]: With dead ends: 11039 [2020-10-14 20:55:21,093 INFO L226 Difference]: Without dead ends: 6460 [2020-10-14 20:55:21,106 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:55:21,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6460 states. [2020-10-14 20:55:21,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6460 to 6023. [2020-10-14 20:55:21,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6023 states. [2020-10-14 20:55:21,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6023 states to 6023 states and 7127 transitions. [2020-10-14 20:55:21,255 INFO L78 Accepts]: Start accepts. Automaton has 6023 states and 7127 transitions. Word has length 316 [2020-10-14 20:55:21,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:21,256 INFO L479 AbstractCegarLoop]: Abstraction has 6023 states and 7127 transitions. [2020-10-14 20:55:21,256 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 20:55:21,256 INFO L276 IsEmpty]: Start isEmpty. Operand 6023 states and 7127 transitions. [2020-10-14 20:55:21,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2020-10-14 20:55:21,272 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:21,273 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 20:55:21,273 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 20:55:21,274 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:21,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:21,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1287672678, now seen corresponding path program 1 times [2020-10-14 20:55:21,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:21,275 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [159592629] [2020-10-14 20:55:21,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:21,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:21,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:22,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:22,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 357 [2020-10-14 20:55:22,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:55:22,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 728 [2020-10-14 20:55:22,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:22,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:22,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:22,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 328 [2020-10-14 20:55:22,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 20:55:22,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:22,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:22,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:22,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:22,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:22,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:22,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 20:55:22,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:22,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:22,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:22,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:22,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:22,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:22,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:22,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:22,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:22,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:55:22,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:22,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 20:55:22,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:22,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:22,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:22,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:22,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:22,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:22,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:55:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:22,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:22,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:22,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 20:55:22,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:22,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 20:55:22,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:22,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:22,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:22,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:22,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:22,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:22,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-14 20:55:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:22,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:22,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:22,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 20:55:22,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:22,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-14 20:55:22,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:22,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:22,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:22,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:22,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 20:55:22,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:22,388 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 69 proven. 3 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2020-10-14 20:55:22,388 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [159592629] [2020-10-14 20:55:22,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:55:22,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:55:22,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898921356] [2020-10-14 20:55:22,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:55:22,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:22,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:55:22,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:55:22,390 INFO L87 Difference]: Start difference. First operand 6023 states and 7127 transitions. Second operand 5 states. [2020-10-14 20:55:23,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:23,778 INFO L93 Difference]: Finished difference Result 12485 states and 14780 transitions. [2020-10-14 20:55:23,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:55:23,779 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 343 [2020-10-14 20:55:23,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:23,802 INFO L225 Difference]: With dead ends: 12485 [2020-10-14 20:55:23,802 INFO L226 Difference]: Without dead ends: 6468 [2020-10-14 20:55:23,818 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:55:23,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6468 states. [2020-10-14 20:55:23,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6468 to 6458. [2020-10-14 20:55:23,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6458 states. [2020-10-14 20:55:23,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6458 states to 6458 states and 7617 transitions. [2020-10-14 20:55:23,948 INFO L78 Accepts]: Start accepts. Automaton has 6458 states and 7617 transitions. Word has length 343 [2020-10-14 20:55:23,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:23,949 INFO L479 AbstractCegarLoop]: Abstraction has 6458 states and 7617 transitions. [2020-10-14 20:55:23,949 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:55:23,949 INFO L276 IsEmpty]: Start isEmpty. Operand 6458 states and 7617 transitions. [2020-10-14 20:55:23,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2020-10-14 20:55:23,980 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:23,980 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 20:55:23,981 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 20:55:23,981 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:23,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:23,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1989898711, now seen corresponding path program 1 times [2020-10-14 20:55:23,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:23,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [798680235] [2020-10-14 20:55:23,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:24,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:24,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:26,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:29,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:29,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 548 [2020-10-14 20:55:29,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:55:29,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 20:55:29,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:29,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:29,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 20:55:29,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 215 [2020-10-14 20:55:29,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 305 [2020-10-14 20:55:29,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:29,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:29,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:29,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:29,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:29,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:29,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:55:29,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:29,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:29,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:29,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:29,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:29,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:29,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:29,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:29,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:29,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 20:55:29,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:29,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 20:55:29,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:29,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:29,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:29,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:29,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:29,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:29,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 20:55:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:29,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:29,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:29,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-14 20:55:29,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:29,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 20:55:29,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:29,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:29,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:29,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:29,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-14 20:55:29,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:29,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-14 20:55:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:29,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:29,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:29,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 20:55:29,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:29,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-14 20:55:29,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:29,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:29,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 20:55:29,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:55:29,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 20:55:29,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:29,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2020-10-14 20:55:29,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:29,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:29,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:29,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:29,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 20:55:29,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:55:29,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-14 20:55:29,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:29,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:29,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:29,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:55:29,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-14 20:55:29,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:29,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2020-10-14 20:55:29,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:29,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:29,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:29,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 20:55:29,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:29,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-14 20:55:29,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:29,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:29,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:29,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:55:29,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 20:55:29,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:29,793 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 618 proven. 18 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2020-10-14 20:55:29,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [798680235] [2020-10-14 20:55:29,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:55:29,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 20:55:29,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324801519] [2020-10-14 20:55:29,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 20:55:29,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:29,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 20:55:29,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-14 20:55:29,796 INFO L87 Difference]: Start difference. First operand 6458 states and 7617 transitions. Second operand 9 states. [2020-10-14 20:55:32,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:32,989 INFO L93 Difference]: Finished difference Result 15441 states and 18189 transitions. [2020-10-14 20:55:32,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 20:55:32,989 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 530 [2020-10-14 20:55:32,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:33,022 INFO L225 Difference]: With dead ends: 15441 [2020-10-14 20:55:33,022 INFO L226 Difference]: Without dead ends: 8989 [2020-10-14 20:55:33,039 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2020-10-14 20:55:33,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8989 states. [2020-10-14 20:55:33,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8989 to 8085. [2020-10-14 20:55:33,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8085 states. [2020-10-14 20:55:33,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8085 states to 8085 states and 9412 transitions. [2020-10-14 20:55:33,229 INFO L78 Accepts]: Start accepts. Automaton has 8085 states and 9412 transitions. Word has length 530 [2020-10-14 20:55:33,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:33,231 INFO L479 AbstractCegarLoop]: Abstraction has 8085 states and 9412 transitions. [2020-10-14 20:55:33,231 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 20:55:33,231 INFO L276 IsEmpty]: Start isEmpty. Operand 8085 states and 9412 transitions. [2020-10-14 20:55:33,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2020-10-14 20:55:33,268 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:33,269 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:55:33,269 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 20:55:33,269 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:33,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:33,269 INFO L82 PathProgramCache]: Analyzing trace with hash -317382302, now seen corresponding path program 1 times [2020-10-14 20:55:33,270 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:33,270 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [73247125] [2020-10-14 20:55:33,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:33,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:33,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:34,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:34,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 571 [2020-10-14 20:55:34,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:55:34,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1244 [2020-10-14 20:55:34,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:34,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:34,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 20:55:34,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 399 [2020-10-14 20:55:34,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-10-14 20:55:34,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:34,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:34,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:34,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:34,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:34,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:34,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:34,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:55:34,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:34,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:34,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:34,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:34,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:34,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:34,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:34,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:34,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:34,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:34,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 20:55:34,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:34,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 20:55:34,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:34,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:34,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:34,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:34,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:34,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:34,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 20:55:34,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:34,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:34,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:34,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-14 20:55:34,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:34,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 20:55:34,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:34,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:34,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:34,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:34,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:34,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:34,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2020-10-14 20:55:34,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:35,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:35,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:35,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 20:55:35,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:35,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-14 20:55:35,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:35,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:35,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:35,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:35,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-14 20:55:35,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:35,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2020-10-14 20:55:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:35,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:35,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:35,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 20:55:35,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:35,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-14 20:55:35,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:35,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:35,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 20:55:35,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:55:35,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 20:55:35,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:35,559 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 457 proven. 19 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2020-10-14 20:55:35,559 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [73247125] [2020-10-14 20:55:35,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:55:35,560 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:55:35,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801478694] [2020-10-14 20:55:35,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:55:35,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:35,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:55:35,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:55:35,562 INFO L87 Difference]: Start difference. First operand 8085 states and 9412 transitions. Second operand 8 states. [2020-10-14 20:55:37,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:37,311 INFO L93 Difference]: Finished difference Result 16067 states and 18661 transitions. [2020-10-14 20:55:37,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:55:37,312 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 555 [2020-10-14 20:55:37,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:37,313 INFO L225 Difference]: With dead ends: 16067 [2020-10-14 20:55:37,313 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 20:55:37,340 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:55:37,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 20:55:37,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 20:55:37,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 20:55:37,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 20:55:37,341 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 555 [2020-10-14 20:55:37,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:37,341 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 20:55:37,341 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:55:37,342 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 20:55:37,342 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 20:55:37,342 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 20:55:37,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 20:55:38,550 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 154 [2020-10-14 20:55:38,903 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 154 [2020-10-14 20:55:40,436 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 325 DAG size of output: 92 [2020-10-14 20:55:41,054 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 62 [2020-10-14 20:55:41,635 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 62 [2020-10-14 20:55:41,640 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 20:55:41,641 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-14 20:55:41,641 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 20:55:41,641 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-14 20:55:41,641 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,641 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,641 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,642 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,642 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,642 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,642 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-14 20:55:41,642 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-14 20:55:41,642 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 20:55:41,642 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 20:55:41,642 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 20:55:41,642 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 20:55:41,642 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 20:55:41,643 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 20:55:41,643 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-14 20:55:41,643 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-14 20:55:41,643 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-14 20:55:41,643 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,643 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,643 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,643 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,644 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,644 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-14 20:55:41,644 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-14 20:55:41,644 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-14 20:55:41,644 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-14 20:55:41,644 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 20:55:41,644 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 20:55:41,644 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 20:55:41,645 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 20:55:41,645 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 20:55:41,645 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-14 20:55:41,645 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-14 20:55:41,645 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-14 20:55:41,645 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-14 20:55:41,645 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2020-10-14 20:55:41,645 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-14 20:55:41,645 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,645 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,645 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,645 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,645 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,645 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-14 20:55:41,646 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 20:55:41,646 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 20:55:41,646 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 20:55:41,646 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 20:55:41,646 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 20:55:41,646 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-14 20:55:41,646 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-14 20:55:41,646 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-14 20:55:41,646 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-14 20:55:41,646 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,646 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,647 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,647 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,647 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,647 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-14 20:55:41,647 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-14 20:55:41,647 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-14 20:55:41,647 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 20:55:41,647 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 20:55:41,647 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 20:55:41,648 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 20:55:41,648 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 20:55:41,648 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-14 20:55:41,648 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-14 20:55:41,648 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-14 20:55:41,648 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-14 20:55:41,648 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-14 20:55:41,648 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,648 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,648 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,649 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,649 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,649 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 20:55:41,649 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 20:55:41,649 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 20:55:41,649 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 20:55:41,649 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 20:55:41,649 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-14 20:55:41,649 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-14 20:55:41,649 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-14 20:55:41,649 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-14 20:55:41,650 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,650 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,650 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,650 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,650 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,650 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,650 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,650 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-14 20:55:41,650 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-14 20:55:41,650 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-14 20:55:41,650 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-14 20:55:41,650 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 20:55:41,650 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 20:55:41,650 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 20:55:41,650 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 20:55:41,651 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 20:55:41,651 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-14 20:55:41,651 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-14 20:55:41,651 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-14 20:55:41,651 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-14 20:55:41,651 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,651 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,651 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,651 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,652 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 20:55:41,652 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,652 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,652 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-14 20:55:41,652 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-14 20:55:41,652 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-14 20:55:41,652 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 20:55:41,652 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 20:55:41,652 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 20:55:41,652 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 20:55:41,652 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 20:55:41,652 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 20:55:41,653 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-14 20:55:41,653 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-14 20:55:41,653 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-14 20:55:41,653 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-14 20:55:41,653 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,653 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,653 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,653 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,653 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,653 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,653 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-14 20:55:41,653 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-14 20:55:41,653 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-14 20:55:41,653 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 20:55:41,653 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 20:55:41,653 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 20:55:41,654 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 20:55:41,654 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 20:55:41,654 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 20:55:41,654 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-14 20:55:41,654 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-14 20:55:41,654 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse4 (= ~a1~0 |old(~a1~0)|)) (.cse5 (= ~a10~0 |old(~a10~0)|))) (let ((.cse3 (not (= 9 |old(~a19~0)|))) (.cse0 (and .cse4 (= ~a19~0 |old(~a19~0)|) .cse5)) (.cse1 (not (= 14 ~a4~0))) (.cse2 (not (= ~a12~0 0)))) (and (or (not (<= 56 |old(~a1~0)|)) .cse0 .cse1 (not (<= |old(~a1~0)| 505272)) .cse2) (or .cse3 .cse0 .cse1 (not (<= |old(~a1~0)| 32)) .cse2) (or .cse0 (not (= |old(~a10~0)| 1)) .cse1 (not (= 8 |old(~a19~0)|)) .cse2) (or (not (<= 62 |old(~a1~0)|)) .cse0 (not (<= 2 |old(~a10~0)|)) (not (<= |old(~a10~0)| 2))) (or (not (<= (+ |old(~a1~0)| 90418) 0)) .cse0 .cse1 .cse2) (or (not (<= |old(~a10~0)| 4)) (not (<= |old(~a19~0)| 8)) (not (<= 8 |old(~a19~0)|)) .cse1 (and (<= 8 ~a19~0) (<= ~a19~0 8) .cse4 .cse5) (not (<= (+ |old(~a1~0)| 14262) 0)) .cse2) (or .cse0 .cse1 .cse2 (not (<= |old(~a10~0)| 3)) (not (<= |old(~a1~0)| 541485))) (or .cse0 .cse3 (not (<= 219 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|))) (or .cse0 .cse1 (not (<= |old(~a10~0)| 1)) (not (<= |old(~a1~0)| 589891)) .cse2)))) [2020-10-14 20:55:41,654 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-14 20:55:41,654 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-14 20:55:41,655 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-14 20:55:41,655 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,655 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,655 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,655 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,655 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,655 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,655 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-14 20:55:41,655 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 20:55:41,655 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 20:55:41,655 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 20:55:41,655 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 20:55:41,655 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 20:55:41,656 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 20:55:41,656 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-14 20:55:41,656 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-14 20:55:41,656 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-14 20:55:41,656 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-14 20:55:41,656 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-14 20:55:41,656 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-14 20:55:41,656 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,656 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,656 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,656 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,656 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,656 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,656 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-14 20:55:41,656 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-14 20:55:41,656 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-14 20:55:41,657 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 20:55:41,657 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 20:55:41,657 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 20:55:41,657 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 20:55:41,657 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 20:55:41,657 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 20:55:41,657 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-14 20:55:41,657 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-14 20:55:41,657 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-14 20:55:41,657 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,657 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,657 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,657 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,657 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,657 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:41,657 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-14 20:55:41,657 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-14 20:55:41,658 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-14 20:55:41,658 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 20:55:41,658 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 20:55:41,658 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 20:55:41,658 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 20:55:41,658 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 20:55:41,658 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 20:55:41,658 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-14 20:55:41,658 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-14 20:55:41,658 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-14 20:55:41,658 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 20:55:41,658 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a10~0 0) (= ~a12~0 0) (= ~a19~0 9) (<= ~a1~0 32)) [2020-10-14 20:55:41,658 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 20:55:41,658 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 20:55:41,659 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)) (not (= 0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 32)) (not (= ~a12~0 0))) [2020-10-14 20:55:41,659 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-14 20:55:41,659 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (= ~a19~0 9))) (or (and (= ~a10~0 0) .cse0) (and (= ~a19~0 8) (= ~a10~0 1)) (and (<= ~a10~0 2) (<= 2 ~a10~0)) (and (<= ~a1~0 541485) (<= ~a10~0 3)) (not (= 0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 32)) (and (<= ~a1~0 589891) (<= ~a10~0 1)) (not (= ~a12~0 0)) (and (<= 8 ~a19~0) (<= ~a10~0 4) (<= ~a19~0 8) (<= (+ ~a1~0 14262) 0)) (not (= 9 |old(~a19~0)|)) (and (<= ~a1~0 505272) (<= 56 ~a1~0)) (not (= 14 ~a4~0)) (and .cse0 (<= ~a1~0 32)) (<= (+ ~a1~0 90418) 0))) [2020-10-14 20:55:41,659 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-14 20:55:41,659 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-14 20:55:41,659 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (= ~a19~0 9))) (or (and (= ~a10~0 0) .cse0) (and (= ~a19~0 8) (= ~a10~0 1)) (and (<= ~a10~0 2) (<= 2 ~a10~0)) (and (<= ~a1~0 541485) (<= ~a10~0 3)) (not (= 0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 32)) (and (<= ~a1~0 589891) (<= ~a10~0 1)) (not (= ~a12~0 0)) (and (<= 8 ~a19~0) (<= ~a10~0 4) (<= ~a19~0 8) (<= (+ ~a1~0 14262) 0)) (not (= 9 |old(~a19~0)|)) (and (<= ~a1~0 505272) (<= 56 ~a1~0)) (not (= 14 ~a4~0)) (and .cse0 (<= ~a1~0 32)) (<= (+ ~a1~0 90418) 0))) [2020-10-14 20:55:41,659 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-14 20:55:41,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 08:55:41 BoogieIcfgContainer [2020-10-14 20:55:41,680 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 20:55:41,682 INFO L168 Benchmark]: Toolchain (without parser) took 67999.25 ms. Allocated memory was 148.4 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 103.8 MB in the beginning and 282.2 MB in the end (delta: -178.4 MB). Peak memory consumption was 868.6 MB. Max. memory is 7.1 GB. [2020-10-14 20:55:41,683 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-14 20:55:41,683 INFO L168 Benchmark]: CACSL2BoogieTranslator took 832.25 ms. Allocated memory was 148.4 MB in the beginning and 207.6 MB in the end (delta: 59.2 MB). Free memory was 103.3 MB in the beginning and 174.2 MB in the end (delta: -70.9 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. [2020-10-14 20:55:41,684 INFO L168 Benchmark]: Boogie Preprocessor took 123.37 ms. Allocated memory is still 207.6 MB. Free memory was 174.2 MB in the beginning and 169.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-10-14 20:55:41,685 INFO L168 Benchmark]: RCFGBuilder took 1493.67 ms. Allocated memory was 207.6 MB in the beginning and 235.4 MB in the end (delta: 27.8 MB). Free memory was 169.3 MB in the beginning and 176.3 MB in the end (delta: -7.0 MB). Peak memory consumption was 79.3 MB. Max. memory is 7.1 GB. [2020-10-14 20:55:41,686 INFO L168 Benchmark]: TraceAbstraction took 65543.78 ms. Allocated memory was 235.4 MB in the beginning and 1.2 GB in the end (delta: 960.0 MB). Free memory was 174.7 MB in the beginning and 282.2 MB in the end (delta: -107.5 MB). Peak memory consumption was 852.5 MB. Max. memory is 7.1 GB. [2020-10-14 20:55:41,693 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 832.25 ms. Allocated memory was 148.4 MB in the beginning and 207.6 MB in the end (delta: 59.2 MB). Free memory was 103.3 MB in the beginning and 174.2 MB in the end (delta: -70.9 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.37 ms. Allocated memory is still 207.6 MB. Free memory was 174.2 MB in the beginning and 169.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1493.67 ms. Allocated memory was 207.6 MB in the beginning and 235.4 MB in the end (delta: 27.8 MB). Free memory was 169.3 MB in the beginning and 176.3 MB in the end (delta: -7.0 MB). Peak memory consumption was 79.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 65543.78 ms. Allocated memory was 235.4 MB in the beginning and 1.2 GB in the end (delta: 960.0 MB). Free memory was 174.7 MB in the beginning and 282.2 MB in the end (delta: -107.5 MB). Peak memory consumption was 852.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 73]: 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: 582]: Loop Invariant Derived loop invariant: (((((((((((((a10 == 0 && a19 == 9) || (a19 == 8 && a10 == 1)) || (a10 <= 2 && 2 <= a10)) || (a1 <= 541485 && a10 <= 3)) || !(0 == \old(a10))) || !(\old(a1) <= 32)) || (a1 <= 589891 && a10 <= 1)) || !(a12 == 0)) || (((8 <= a19 && a10 <= 4) && a19 <= 8) && a1 + 14262 <= 0)) || !(9 == \old(a19))) || (a1 <= 505272 && 56 <= a1)) || !(14 == a4)) || (a19 == 9 && a1 <= 32)) || a1 + 90418 <= 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 61.1s, OverallIterations: 13, TraceHistogramMax: 6, AutomataDifference: 23.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 382 SDtfs, 6701 SDslu, 488 SDs, 0 SdLazy, 13906 SolverSat, 1798 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 252 GetRequests, 143 SyntacticMatches, 1 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8085occurred 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: 1.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 3431 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 342 PreInvPairs, 458 NumberOfFragments, 506 HoareAnnotationTreeSize, 342 FomulaSimplifications, 3689379 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 133794 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 34.4s InterpolantComputationTime, 3363 NumberOfCodeBlocks, 3363 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3350 ConstructedInterpolants, 0 QuantifiedInterpolants, 2550131 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 3245/3449 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...