/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=BIGGEST --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_label13.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 13:04:40,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 13:04:40,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 13:04:40,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 13:04:40,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 13:04:40,316 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 13:04:40,317 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 13:04:40,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 13:04:40,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 13:04:40,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 13:04:40,328 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 13:04:40,329 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 13:04:40,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 13:04:40,332 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 13:04:40,335 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 13:04:40,336 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 13:04:40,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 13:04:40,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 13:04:40,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 13:04:40,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 13:04:40,350 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 13:04:40,351 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 13:04:40,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 13:04:40,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 13:04:40,365 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 13:04:40,365 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 13:04:40,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 13:04:40,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 13:04:40,370 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 13:04:40,374 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 13:04:40,374 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 13:04:40,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 13:04:40,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 13:04:40,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 13:04:40,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 13:04:40,380 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 13:04:40,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 13:04:40,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 13:04:40,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 13:04:40,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 13:04:40,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 13:04:40,387 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 [2020-10-12 13:04:40,414 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 13:04:40,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 13:04:40,415 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 13:04:40,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 13:04:40,415 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 13:04:40,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 13:04:40,416 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 13:04:40,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 13:04:40,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 13:04:40,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 13:04:40,417 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 13:04:40,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 13:04:40,417 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 13:04:40,417 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 13:04:40,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 13:04:40,418 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 13:04:40,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 13:04:40,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 13:04:40,418 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 13:04:40,418 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 13:04:40,419 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 13:04:40,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 13:04:40,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 13:04:40,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 13:04:40,419 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 13:04:40,420 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 13:04:40,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 13:04:40,420 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 13:04:40,420 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 13:04:40,420 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 13:04:40,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 13:04:40,716 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 13:04:40,720 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 13:04:40,721 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 13:04:40,722 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 13:04:40,722 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label13.c [2020-10-12 13:04:40,782 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fb9c06564/27a599521b5b4a53b2889d6e0bd85e74/FLAG42d576632 [2020-10-12 13:04:41,358 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 13:04:41,359 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label13.c [2020-10-12 13:04:41,370 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fb9c06564/27a599521b5b4a53b2889d6e0bd85e74/FLAG42d576632 [2020-10-12 13:04:41,629 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fb9c06564/27a599521b5b4a53b2889d6e0bd85e74 [2020-10-12 13:04:41,637 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 13:04:41,639 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 13:04:41,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 13:04:41,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 13:04:41,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 13:04:41,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 01:04:41" (1/1) ... [2020-10-12 13:04:41,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20e20dd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:04:41, skipping insertion in model container [2020-10-12 13:04:41,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 01:04:41" (1/1) ... [2020-10-12 13:04:41,658 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 13:04:41,701 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 13:04:42,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 13:04:42,224 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 13:04:42,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 13:04:42,378 INFO L208 MainTranslator]: Completed translation [2020-10-12 13:04:42,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:04:42 WrapperNode [2020-10-12 13:04:42,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 13:04:42,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 13:04:42,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 13:04:42,380 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 13:04:42,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:04:42" (1/1) ... [2020-10-12 13:04:42,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:04:42" (1/1) ... [2020-10-12 13:04:42,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:04:42" (1/1) ... [2020-10-12 13:04:42,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:04:42" (1/1) ... [2020-10-12 13:04:42,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:04:42" (1/1) ... [2020-10-12 13:04:42,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:04:42" (1/1) ... [2020-10-12 13:04:42,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:04:42" (1/1) ... [2020-10-12 13:04:42,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 13:04:42,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 13:04:42,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 13:04:42,495 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 13:04:42,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:04:42" (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 [2020-10-12 13:04:42,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 13:04:42,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 13:04:42,561 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-12 13:04:42,561 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 13:04:42,562 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-12 13:04:42,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 13:04:42,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 13:04:42,562 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 13:04:42,562 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 13:04:42,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 13:04:42,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 13:04:43,797 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 13:04:43,797 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 13:04:43,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 01:04:43 BoogieIcfgContainer [2020-10-12 13:04:43,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 13:04:43,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 13:04:43,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 13:04:43,810 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 13:04:43,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 01:04:41" (1/3) ... [2020-10-12 13:04:43,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6691fa92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 01:04:43, skipping insertion in model container [2020-10-12 13:04:43,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:04:42" (2/3) ... [2020-10-12 13:04:43,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6691fa92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 01:04:43, skipping insertion in model container [2020-10-12 13:04:43,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 01:04:43" (3/3) ... [2020-10-12 13:04:43,814 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label13.c [2020-10-12 13:04:43,826 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 13:04:43,836 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 13:04:43,855 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 13:04:43,884 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 13:04:43,885 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 13:04:43,885 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 13:04:43,885 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 13:04:43,886 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 13:04:43,886 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 13:04:43,886 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 13:04:43,886 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 13:04:43,913 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-12 13:04:43,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-12 13:04:43,925 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:04:43,926 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:04:43,927 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:04:43,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:04:43,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1614181646, now seen corresponding path program 1 times [2020-10-12 13:04:43,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:04:43,943 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [375033966] [2020-10-12 13:04:43,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:04:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:44,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:44,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:44,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-12 13:04:44,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:04:44,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 434 [2020-10-12 13:04:44,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:44,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:04:44,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:04:44,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-12 13:04:44,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 13:04:44,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:04:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:44,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:44,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:44,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:04:44,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:04:44,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 13:04:44,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:44,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:04:44,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:04:44,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:04:44,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:04:44,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:04:44,724 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [375033966] [2020-10-12 13:04:44,726 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:04:44,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 13:04:44,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492511300] [2020-10-12 13:04:44,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 13:04:44,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:04:44,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 13:04:44,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 13:04:44,754 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-10-12 13:04:46,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:04:46,617 INFO L93 Difference]: Finished difference Result 581 states and 1007 transitions. [2020-10-12 13:04:46,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:04:46,620 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2020-10-12 13:04:46,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:04:46,637 INFO L225 Difference]: With dead ends: 581 [2020-10-12 13:04:46,637 INFO L226 Difference]: Without dead ends: 302 [2020-10-12 13:04:46,644 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 [2020-10-12 13:04:46,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-12 13:04:46,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-10-12 13:04:46,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-12 13:04:46,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 423 transitions. [2020-10-12 13:04:46,727 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 423 transitions. Word has length 61 [2020-10-12 13:04:46,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:04:46,728 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 423 transitions. [2020-10-12 13:04:46,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 13:04:46,728 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 423 transitions. [2020-10-12 13:04:46,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-12 13:04:46,741 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:04:46,742 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:04:46,742 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 13:04:46,742 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:04:46,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:04:46,743 INFO L82 PathProgramCache]: Analyzing trace with hash -271069266, now seen corresponding path program 1 times [2020-10-12 13:04:46,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:04:46,744 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1513765918] [2020-10-12 13:04:46,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:04:46,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:46,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:47,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:47,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:47,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:47,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-12 13:04:47,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:04:47,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1005 [2020-10-12 13:04:47,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:47,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 13:04:47,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:04:47,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-12 13:04:47,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:04:47,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:04:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:47,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:47,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:47,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:04:47,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:04:47,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 13:04:47,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:47,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:04:47,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:04:47,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:04:47,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:04:47,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:04:47,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:47,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:48,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:48,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:48,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 13:04:48,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:04:48,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-12 13:04:48,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:48,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:04:48,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:04:48,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-12 13:04:48,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:04:48,199 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 13:04:48,200 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1513765918] [2020-10-12 13:04:48,200 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:04:48,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 13:04:48,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871087677] [2020-10-12 13:04:48,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:04:48,204 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:04:48,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:04:48,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:04:48,205 INFO L87 Difference]: Start difference. First operand 296 states and 423 transitions. Second operand 7 states. [2020-10-12 13:04:50,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:04:50,455 INFO L93 Difference]: Finished difference Result 1190 states and 1771 transitions. [2020-10-12 13:04:50,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 13:04:50,456 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 133 [2020-10-12 13:04:50,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:04:50,484 INFO L225 Difference]: With dead ends: 1190 [2020-10-12 13:04:50,485 INFO L226 Difference]: Without dead ends: 900 [2020-10-12 13:04:50,487 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-12 13:04:50,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2020-10-12 13:04:50,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 886. [2020-10-12 13:04:50,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states. [2020-10-12 13:04:50,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1196 transitions. [2020-10-12 13:04:50,571 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1196 transitions. Word has length 133 [2020-10-12 13:04:50,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:04:50,572 INFO L479 AbstractCegarLoop]: Abstraction has 886 states and 1196 transitions. [2020-10-12 13:04:50,572 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:04:50,572 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1196 transitions. [2020-10-12 13:04:50,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-10-12 13:04:50,577 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:04:50,577 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:04:50,577 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 13:04:50,578 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:04:50,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:04:50,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1373393371, now seen corresponding path program 1 times [2020-10-12 13:04:50,578 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:04:50,579 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [750494614] [2020-10-12 13:04:50,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:04:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:50,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:50,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:51,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:52,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:52,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 262 [2020-10-12 13:04:52,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:04:52,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1786 [2020-10-12 13:04:52,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:52,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:04:52,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-12 13:04:52,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-12 13:04:52,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:04:52,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:04:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:52,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:52,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:52,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:04:52,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:04:52,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:04:52,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:52,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:04:52,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:04:52,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:04:52,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:04:52,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:04:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:52,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:52,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:52,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 13:04:52,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:04:52,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-12 13:04:52,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:52,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:04:52,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:04:52,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-12 13:04:52,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:04:52,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 13:04:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:52,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:52,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:52,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-12 13:04:52,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:04:52,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 262 [2020-10-12 13:04:52,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:52,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:04:52,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:04:52,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-12 13:04:52,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:04:53,183 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 175 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 13:04:53,184 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [750494614] [2020-10-12 13:04:53,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:04:53,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:04:53,185 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455010411] [2020-10-12 13:04:53,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:04:53,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:04:53,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:04:53,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:04:53,187 INFO L87 Difference]: Start difference. First operand 886 states and 1196 transitions. Second operand 7 states. [2020-10-12 13:04:54,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:04:54,537 INFO L93 Difference]: Finished difference Result 2090 states and 2915 transitions. [2020-10-12 13:04:54,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 13:04:54,538 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 250 [2020-10-12 13:04:54,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:04:54,547 INFO L225 Difference]: With dead ends: 2090 [2020-10-12 13:04:54,547 INFO L226 Difference]: Without dead ends: 1210 [2020-10-12 13:04:54,550 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:04:54,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1210 states. [2020-10-12 13:04:54,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1210 to 1194. [2020-10-12 13:04:54,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1194 states. [2020-10-12 13:04:54,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 1638 transitions. [2020-10-12 13:04:54,641 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 1638 transitions. Word has length 250 [2020-10-12 13:04:54,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:04:54,642 INFO L479 AbstractCegarLoop]: Abstraction has 1194 states and 1638 transitions. [2020-10-12 13:04:54,642 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:04:54,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1638 transitions. [2020-10-12 13:04:54,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-10-12 13:04:54,648 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:04:54,649 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:04:54,649 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 13:04:54,649 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:04:54,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:04:54,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1248765022, now seen corresponding path program 1 times [2020-10-12 13:04:54,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:04:54,650 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [126859967] [2020-10-12 13:04:54,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:04:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:54,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:54,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:55,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:57,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:59,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:59,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-12 13:04:59,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 13:04:59,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-12 13:04:59,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:59,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:04:59,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:04:59,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-12 13:04:59,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:04:59,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:04:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:59,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:59,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:59,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:04:59,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:04:59,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 13:04:59,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:59,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:04:59,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:04:59,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:04:59,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:04:59,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:04:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:59,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:59,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:59,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-12 13:04:59,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:04:59,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-12 13:04:59,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:59,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:04:59,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:04:59,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 13:04:59,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:05:00,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 13:05:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:00,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:00,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:00,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-12 13:05:00,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:00,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-12 13:05:00,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:00,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:05:00,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-12 13:05:00,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:05:00,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:05:00,250 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 108 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-12 13:05:00,251 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [126859967] [2020-10-12 13:05:00,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:05:00,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:05:00,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668094169] [2020-10-12 13:05:00,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:05:00,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:05:00,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:05:00,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:05:00,255 INFO L87 Difference]: Start difference. First operand 1194 states and 1638 transitions. Second operand 7 states. [2020-10-12 13:05:01,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:05:01,525 INFO L93 Difference]: Finished difference Result 2557 states and 3512 transitions. [2020-10-12 13:05:01,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 13:05:01,526 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 257 [2020-10-12 13:05:01,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:05:01,538 INFO L225 Difference]: With dead ends: 2557 [2020-10-12 13:05:01,538 INFO L226 Difference]: Without dead ends: 1369 [2020-10-12 13:05:01,542 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-12 13:05:01,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1369 states. [2020-10-12 13:05:01,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1369 to 1351. [2020-10-12 13:05:01,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1351 states. [2020-10-12 13:05:01,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 1821 transitions. [2020-10-12 13:05:01,620 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 1821 transitions. Word has length 257 [2020-10-12 13:05:01,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:05:01,621 INFO L479 AbstractCegarLoop]: Abstraction has 1351 states and 1821 transitions. [2020-10-12 13:05:01,621 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:05:01,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1821 transitions. [2020-10-12 13:05:01,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-10-12 13:05:01,630 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:05:01,631 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:05:01,631 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 13:05:01,631 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:05:01,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:05:01,632 INFO L82 PathProgramCache]: Analyzing trace with hash -649626018, now seen corresponding path program 1 times [2020-10-12 13:05:01,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:05:01,632 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [923033303] [2020-10-12 13:05:01,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:05:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:01,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:01,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:02,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:04,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:06,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:06,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 341 [2020-10-12 13:05:06,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 13:05:06,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4455 [2020-10-12 13:05:06,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:06,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:05:06,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 280 [2020-10-12 13:05:06,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 13:05:06,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:05:06,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:05:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:06,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:06,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:06,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:05:06,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:06,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:05:06,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:06,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:05:06,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:06,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:05:06,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:05:06,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:05:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:06,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:06,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:06,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 13:05:06,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:06,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 13:05:06,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:06,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:05:06,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:06,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:05:06,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-12 13:05:06,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 13:05:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:06,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:06,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:06,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-12 13:05:06,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:06,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 13:05:06,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:06,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:05:06,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:06,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:05:06,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:05:06,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 13:05:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:06,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:06,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:06,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-12 13:05:06,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:06,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-12 13:05:06,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:06,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:05:06,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:06,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-12 13:05:06,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:05:06,730 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 165 proven. 3 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2020-10-12 13:05:06,731 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [923033303] [2020-10-12 13:05:06,731 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:05:06,731 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:05:06,732 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141490933] [2020-10-12 13:05:06,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:05:06,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:05:06,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:05:06,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:05:06,733 INFO L87 Difference]: Start difference. First operand 1351 states and 1821 transitions. Second operand 5 states. [2020-10-12 13:05:07,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:05:07,534 INFO L93 Difference]: Finished difference Result 2424 states and 3288 transitions. [2020-10-12 13:05:07,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:05:07,535 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 327 [2020-10-12 13:05:07,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:05:07,536 INFO L225 Difference]: With dead ends: 2424 [2020-10-12 13:05:07,536 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 13:05:07,542 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:05:07,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 13:05:07,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 13:05:07,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 13:05:07,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 13:05:07,543 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 327 [2020-10-12 13:05:07,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:05:07,543 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 13:05:07,543 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:05:07,543 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 13:05:07,544 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 13:05:07,544 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 13:05:07,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 13:05:07,883 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 42 [2020-10-12 13:05:07,989 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-12 13:05:07,989 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)|)) [2020-10-12 13:05:07,989 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 13:05:07,990 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-12 13:05:07,990 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:07,990 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:07,990 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:07,990 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:07,990 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:07,991 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:07,991 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-12 13:05:07,991 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-12 13:05:07,991 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-12 13:05:07,991 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-12 13:05:07,991 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-12 13:05:07,991 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-12 13:05:07,992 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-12 13:05:07,992 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-12 13:05:07,992 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-12 13:05:07,992 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-12 13:05:07,992 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-12 13:05:07,992 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:07,992 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:07,992 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:07,993 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:07,993 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:07,993 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-12 13:05:07,993 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-12 13:05:07,993 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-12 13:05:07,993 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-12 13:05:07,993 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-12 13:05:07,994 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-12 13:05:07,994 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-12 13:05:07,994 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-12 13:05:07,994 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-12 13:05:07,994 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-12 13:05:07,994 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-12 13:05:07,994 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-12 13:05:07,995 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-12 13:05:07,995 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 169) no Hoare annotation was computed. [2020-10-12 13:05:07,995 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-12 13:05:07,995 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:07,995 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:07,995 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:07,996 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:07,996 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:07,996 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-12 13:05:07,996 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-12 13:05:07,996 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-12 13:05:07,996 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-12 13:05:07,996 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-12 13:05:07,996 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-12 13:05:07,997 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-12 13:05:07,997 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-12 13:05:07,997 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-12 13:05:07,997 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-12 13:05:07,997 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:07,997 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:07,997 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:07,998 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:07,998 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:07,998 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-12 13:05:07,998 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-12 13:05:07,998 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-12 13:05:07,998 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-12 13:05:07,998 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-12 13:05:07,999 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-12 13:05:07,999 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-12 13:05:07,999 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-12 13:05:07,999 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-12 13:05:07,999 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-12 13:05:07,999 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-12 13:05:07,999 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-12 13:05:07,999 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-12 13:05:08,000 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,000 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,000 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,000 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,000 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,000 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-12 13:05:08,000 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-12 13:05:08,000 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-12 13:05:08,001 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-12 13:05:08,001 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-12 13:05:08,001 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-12 13:05:08,001 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-12 13:05:08,001 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-12 13:05:08,001 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-12 13:05:08,001 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,002 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,002 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,002 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,002 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,002 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,002 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,002 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-12 13:05:08,002 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-12 13:05:08,003 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-12 13:05:08,003 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-12 13:05:08,003 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-12 13:05:08,003 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-12 13:05:08,003 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-12 13:05:08,003 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-12 13:05:08,003 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-12 13:05:08,003 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-12 13:05:08,004 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-12 13:05:08,004 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-12 13:05:08,004 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-12 13:05:08,004 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,004 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,004 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,005 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,005 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-12 13:05:08,005 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,005 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,005 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-12 13:05:08,005 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-12 13:05:08,005 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-12 13:05:08,005 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-12 13:05:08,006 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-12 13:05:08,006 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-12 13:05:08,006 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-12 13:05:08,006 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-12 13:05:08,006 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-12 13:05:08,006 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-12 13:05:08,006 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-12 13:05:08,006 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-12 13:05:08,007 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-12 13:05:08,007 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,007 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,007 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,007 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,007 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,007 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,008 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-12 13:05:08,008 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-12 13:05:08,008 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-12 13:05:08,008 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-12 13:05:08,008 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-12 13:05:08,008 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-12 13:05:08,008 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-12 13:05:08,009 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-12 13:05:08,009 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-12 13:05:08,009 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-12 13:05:08,009 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-12 13:05:08,010 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (= ~a1~0 |old(~a1~0)|)) (.cse1 (= ~a10~0 |old(~a10~0)|))) (let ((.cse2 (and .cse0 (= ~a19~0 |old(~a19~0)|) .cse1))) (and (or (not (<= 6 |old(~a19~0)|)) (not (= 14 ~a4~0)) (not (<= |old(~a1~0)| 33)) (not (<= |old(~a19~0)| 6)) (and (<= 6 ~a19~0) .cse0 (<= ~a19~0 6) .cse1) (not (<= 0 (+ |old(~a1~0)| 12))) (not (= ~a12~0 0))) (or (not (= 9 |old(~a19~0)|)) .cse2) (or .cse2 (= 3 |old(~a10~0)|))))) [2020-10-12 13:05:08,010 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-12 13:05:08,010 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-12 13:05:08,010 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-12 13:05:08,010 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,010 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,010 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,011 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,011 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,011 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,011 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-12 13:05:08,011 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-12 13:05:08,011 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-12 13:05:08,011 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-12 13:05:08,011 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-12 13:05:08,012 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-12 13:05:08,012 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-12 13:05:08,012 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-12 13:05:08,012 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-12 13:05:08,012 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-12 13:05:08,012 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-12 13:05:08,012 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-12 13:05:08,013 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-12 13:05:08,013 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,013 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,013 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,013 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,013 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,013 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,014 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-12 13:05:08,014 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-12 13:05:08,014 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-12 13:05:08,014 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-12 13:05:08,014 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-12 13:05:08,014 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-12 13:05:08,014 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-12 13:05:08,015 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-12 13:05:08,015 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-12 13:05:08,015 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-12 13:05:08,015 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-12 13:05:08,015 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-12 13:05:08,015 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,015 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,015 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,016 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,016 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,016 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:08,016 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-12 13:05:08,016 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-12 13:05:08,016 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-12 13:05:08,016 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-12 13:05:08,016 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-12 13:05:08,017 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-12 13:05:08,017 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-12 13:05:08,017 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-12 13:05:08,017 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-12 13:05:08,017 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-12 13:05:08,017 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-12 13:05:08,017 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-12 13:05:08,017 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 13:05:08,018 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= ~a19~0 9) (= 23 ~a1~0)) [2020-10-12 13:05:08,018 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 13:05:08,018 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 13:05:08,018 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= |old(~a10~0)| 0)) (not (= 9 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (and (= 23 ~a1~0) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) [2020-10-12 13:05:08,018 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-12 13:05:08,019 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (or (not (<= |old(~a10~0)| 0)) (not (= ~a10~0 3)) (not (= 9 |old(~a19~0)|)) (= ~a19~0 9) (and (<= 0 (+ ~a1~0 12)) (<= 6 ~a19~0) (= 14 ~a4~0) (<= ~a1~0 33) (= ~a12~0 0) (<= ~a19~0 6)) (not (= 23 |old(~a1~0)|))) [2020-10-12 13:05:08,019 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-12 13:05:08,019 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-12 13:05:08,019 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (not (<= |old(~a10~0)| 0)) (not (= ~a10~0 3)) (not (= 9 |old(~a19~0)|)) (= ~a19~0 9) (and (<= 0 (+ ~a1~0 12)) (<= 6 ~a19~0) (= 14 ~a4~0) (<= ~a1~0 33) (= ~a12~0 0) (<= ~a19~0 6)) (not (= 23 |old(~a1~0)|))) [2020-10-12 13:05:08,019 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-12 13:05:08,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 01:05:08 BoogieIcfgContainer [2020-10-12 13:05:08,042 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 13:05:08,044 INFO L168 Benchmark]: Toolchain (without parser) took 26404.96 ms. Allocated memory was 141.6 MB in the beginning and 652.2 MB in the end (delta: 510.7 MB). Free memory was 103.2 MB in the beginning and 163.8 MB in the end (delta: -60.6 MB). Peak memory consumption was 450.1 MB. Max. memory is 7.1 GB. [2020-10-12 13:05:08,045 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-12 13:05:08,046 INFO L168 Benchmark]: CACSL2BoogieTranslator took 739.47 ms. Allocated memory was 141.6 MB in the beginning and 207.1 MB in the end (delta: 65.5 MB). Free memory was 103.0 MB in the beginning and 172.8 MB in the end (delta: -69.8 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. [2020-10-12 13:05:08,047 INFO L168 Benchmark]: Boogie Preprocessor took 114.40 ms. Allocated memory is still 207.1 MB. Free memory was 172.8 MB in the beginning and 168.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-10-12 13:05:08,048 INFO L168 Benchmark]: RCFGBuilder took 1310.19 ms. Allocated memory was 207.1 MB in the beginning and 237.0 MB in the end (delta: 29.9 MB). Free memory was 168.1 MB in the beginning and 176.5 MB in the end (delta: -8.5 MB). Peak memory consumption was 79.0 MB. Max. memory is 7.1 GB. [2020-10-12 13:05:08,049 INFO L168 Benchmark]: TraceAbstraction took 24236.21 ms. Allocated memory was 237.0 MB in the beginning and 652.2 MB in the end (delta: 415.2 MB). Free memory was 176.5 MB in the beginning and 163.8 MB in the end (delta: 12.7 MB). Peak memory consumption was 428.0 MB. Max. memory is 7.1 GB. [2020-10-12 13:05:08,056 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 739.47 ms. Allocated memory was 141.6 MB in the beginning and 207.1 MB in the end (delta: 65.5 MB). Free memory was 103.0 MB in the beginning and 172.8 MB in the end (delta: -69.8 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.40 ms. Allocated memory is still 207.1 MB. Free memory was 172.8 MB in the beginning and 168.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1310.19 ms. Allocated memory was 207.1 MB in the beginning and 237.0 MB in the end (delta: 29.9 MB). Free memory was 168.1 MB in the beginning and 176.5 MB in the end (delta: -8.5 MB). Peak memory consumption was 79.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24236.21 ms. Allocated memory was 237.0 MB in the beginning and 652.2 MB in the end (delta: 415.2 MB). Free memory was 176.5 MB in the beginning and 163.8 MB in the end (delta: 12.7 MB). Peak memory consumption was 428.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 169]: 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: ((((!(\old(a10) <= 0) || !(a10 == 3)) || !(9 == \old(a19))) || a19 == 9) || (((((0 <= a1 + 12 && 6 <= a19) && 14 == a4) && a1 <= 33) && a12 == 0) && a19 <= 6)) || !(23 == \old(a1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.6s, OverallIterations: 5, TraceHistogramMax: 4, AutomataDifference: 7.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 117 SDtfs, 2361 SDslu, 123 SDs, 0 SdLazy, 3472 SolverSat, 715 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1351occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 54 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 40 PreInvPairs, 58 NumberOfFragments, 217 HoareAnnotationTreeSize, 40 FomulaSimplifications, 2532 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 479 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 14.7s InterpolantComputationTime, 1028 NumberOfCodeBlocks, 1028 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 1023 ConstructedInterpolants, 0 QuantifiedInterpolants, 679983 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 668/796 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...