/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label11.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 02:29:42,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 02:29:42,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 02:29:42,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 02:29:42,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 02:29:42,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 02:29:42,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 02:29:42,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 02:29:42,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 02:29:42,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 02:29:42,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 02:29:42,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 02:29:42,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 02:29:42,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 02:29:42,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 02:29:42,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 02:29:42,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 02:29:42,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 02:29:42,291 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 02:29:42,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 02:29:42,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 02:29:42,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 02:29:42,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 02:29:42,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 02:29:42,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 02:29:42,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 02:29:42,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 02:29:42,319 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 02:29:42,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 02:29:42,320 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 02:29:42,320 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 02:29:42,326 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 02:29:42,327 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 02:29:42,328 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 02:29:42,329 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 02:29:42,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 02:29:42,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 02:29:42,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 02:29:42,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 02:29:42,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 02:29:42,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 02:29:42,336 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 02:29:42,377 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 02:29:42,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 02:29:42,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 02:29:42,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 02:29:42,379 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 02:29:42,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 02:29:42,380 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 02:29:42,380 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 02:29:42,380 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 02:29:42,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 02:29:42,382 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 02:29:42,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 02:29:42,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 02:29:42,382 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 02:29:42,383 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 02:29:42,384 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 02:29:42,384 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 02:29:42,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 02:29:42,384 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 02:29:42,384 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 02:29:42,385 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 02:29:42,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 02:29:42,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 02:29:42,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 02:29:42,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 02:29:42,386 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 02:29:42,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 02:29:42,386 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 02:29:42,386 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 02:29:42,386 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 02:29:42,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 02:29:42,728 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 02:29:42,732 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 02:29:42,734 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 02:29:42,734 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 02:29:42,735 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label11.c [2020-10-14 02:29:42,807 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/112233b08/7aa6968a5b4440debbb1d7e6a5193eaa/FLAG75dfb5717 [2020-10-14 02:29:43,352 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 02:29:43,352 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label11.c [2020-10-14 02:29:43,367 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/112233b08/7aa6968a5b4440debbb1d7e6a5193eaa/FLAG75dfb5717 [2020-10-14 02:29:43,649 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/112233b08/7aa6968a5b4440debbb1d7e6a5193eaa [2020-10-14 02:29:43,660 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 02:29:43,663 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 02:29:43,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 02:29:43,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 02:29:43,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 02:29:43,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:29:43" (1/1) ... [2020-10-14 02:29:43,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@645d08ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:29:43, skipping insertion in model container [2020-10-14 02:29:43,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:29:43" (1/1) ... [2020-10-14 02:29:43,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 02:29:43,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 02:29:44,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 02:29:44,438 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 02:29:44,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 02:29:44,562 INFO L208 MainTranslator]: Completed translation [2020-10-14 02:29:44,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:29:44 WrapperNode [2020-10-14 02:29:44,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 02:29:44,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 02:29:44,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 02:29:44,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 02:29:44,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:29:44" (1/1) ... [2020-10-14 02:29:44,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:29:44" (1/1) ... [2020-10-14 02:29:44,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:29:44" (1/1) ... [2020-10-14 02:29:44,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:29:44" (1/1) ... [2020-10-14 02:29:44,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:29:44" (1/1) ... [2020-10-14 02:29:44,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:29:44" (1/1) ... [2020-10-14 02:29:44,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:29:44" (1/1) ... [2020-10-14 02:29:44,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 02:29:44,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 02:29:44,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 02:29:44,700 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 02:29:44,701 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:29:44" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 02:29:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 02:29:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 02:29:44,787 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 02:29:44,787 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 02:29:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 02:29:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 02:29:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 02:29:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 02:29:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 02:29:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 02:29:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 02:29:46,214 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 02:29:46,214 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 02:29:46,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:29:46 BoogieIcfgContainer [2020-10-14 02:29:46,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 02:29:46,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 02:29:46,223 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 02:29:46,226 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 02:29:46,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 02:29:43" (1/3) ... [2020-10-14 02:29:46,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250092a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:29:46, skipping insertion in model container [2020-10-14 02:29:46,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:29:44" (2/3) ... [2020-10-14 02:29:46,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250092a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:29:46, skipping insertion in model container [2020-10-14 02:29:46,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:29:46" (3/3) ... [2020-10-14 02:29:46,231 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label11.c [2020-10-14 02:29:46,243 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 02:29:46,252 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 02:29:46,268 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 02:29:46,295 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 02:29:46,295 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 02:29:46,295 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 02:29:46,295 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 02:29:46,295 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 02:29:46,296 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 02:29:46,296 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 02:29:46,296 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 02:29:46,325 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-14 02:29:46,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-14 02:29:46,335 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:29:46,336 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:29:46,337 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:29:46,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:29:46,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1918215546, now seen corresponding path program 1 times [2020-10-14 02:29:46,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:29:46,353 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1985481534] [2020-10-14 02:29:46,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:29:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:29:46,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:29:46,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:29:46,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 02:29:46,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:29:46,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 363 [2020-10-14 02:29:46,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:29:46,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:29:46,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 02:29:46,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 02:29:46,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 02:29:46,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 02:29:47,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:29:47,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:29:47,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:29:47,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:29:47,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:29:47,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:29:47,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 02:29:47,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:29:47,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:29:47,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:29:47,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:29:47,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 02:29:47,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:29:47,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:29:47,149 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1985481534] [2020-10-14 02:29:47,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 02:29:47,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 02:29:47,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194126343] [2020-10-14 02:29:47,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 02:29:47,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:29:47,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 02:29:47,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 02:29:47,177 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-10-14 02:29:48,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:29:48,650 INFO L93 Difference]: Finished difference Result 581 states and 1006 transitions. [2020-10-14 02:29:48,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:29:48,652 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2020-10-14 02:29:48,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:29:48,669 INFO L225 Difference]: With dead ends: 581 [2020-10-14 02:29:48,670 INFO L226 Difference]: Without dead ends: 302 [2020-10-14 02:29:48,678 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:29:48,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-14 02:29:48,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2020-10-14 02:29:48,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-14 02:29:48,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 395 transitions. [2020-10-14 02:29:48,759 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 395 transitions. Word has length 67 [2020-10-14 02:29:48,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:29:48,760 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 395 transitions. [2020-10-14 02:29:48,760 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 02:29:48,760 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 395 transitions. [2020-10-14 02:29:48,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-14 02:29:48,767 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:29:48,767 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:29:48,768 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 02:29:48,768 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:29:48,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:29:48,769 INFO L82 PathProgramCache]: Analyzing trace with hash -649832990, now seen corresponding path program 1 times [2020-10-14 02:29:48,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:29:48,769 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [564761147] [2020-10-14 02:29:48,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:29:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:29:48,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:29:48,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:29:49,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:29:49,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-14 02:29:49,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:29:49,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 740 [2020-10-14 02:29:49,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:29:49,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:29:49,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:29:49,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 02:29:49,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-14 02:29:49,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 02:29:49,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:29:49,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:29:49,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:29:49,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:29:49,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:29:49,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:29:49,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:29:49,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:29:49,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:29:49,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:29:49,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:29:49,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:29:49,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:29:49,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:29:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:29:49,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:29:49,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:29:49,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 02:29:49,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:29:49,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-14 02:29:49,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:29:49,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:29:49,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:29:49,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:29:49,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 02:29:49,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:29:49,821 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 59 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:29:49,821 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [564761147] [2020-10-14 02:29:49,822 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:29:49,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 02:29:49,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219539493] [2020-10-14 02:29:49,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 02:29:49,825 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:29:49,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 02:29:49,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:29:49,825 INFO L87 Difference]: Start difference. First operand 298 states and 395 transitions. Second operand 6 states. [2020-10-14 02:29:51,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:29:51,503 INFO L93 Difference]: Finished difference Result 884 states and 1253 transitions. [2020-10-14 02:29:51,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 02:29:51,503 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 137 [2020-10-14 02:29:51,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:29:51,510 INFO L225 Difference]: With dead ends: 884 [2020-10-14 02:29:51,511 INFO L226 Difference]: Without dead ends: 592 [2020-10-14 02:29:51,513 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 02:29:51,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-14 02:29:51,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 588. [2020-10-14 02:29:51,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2020-10-14 02:29:51,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 823 transitions. [2020-10-14 02:29:51,578 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 823 transitions. Word has length 137 [2020-10-14 02:29:51,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:29:51,579 INFO L479 AbstractCegarLoop]: Abstraction has 588 states and 823 transitions. [2020-10-14 02:29:51,579 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 02:29:51,580 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 823 transitions. [2020-10-14 02:29:51,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-14 02:29:51,587 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:29:51,587 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:29:51,587 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 02:29:51,588 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:29:51,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:29:51,588 INFO L82 PathProgramCache]: Analyzing trace with hash 387828613, now seen corresponding path program 1 times [2020-10-14 02:29:51,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:29:51,589 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [347121241] [2020-10-14 02:29:51,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:29:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:29:51,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:29:51,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:29:51,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:29:52,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:29:52,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-14 02:29:52,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:29:52,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1314 [2020-10-14 02:29:52,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:29:52,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:29:52,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:29:52,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-14 02:29:52,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-14 02:29:52,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:29:53,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:29:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:29:53,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:29:53,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:29:53,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:29:53,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:29:53,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:29:53,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:29:53,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:29:53,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:29:53,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:29:53,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:29:53,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:29:53,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:29:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:29:53,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:29:53,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:29:53,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 02:29:53,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:29:53,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-14 02:29:53,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:29:53,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:29:53,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:29:53,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:29:53,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-14 02:29:53,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:29:53,168 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 59 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:29:53,168 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [347121241] [2020-10-14 02:29:53,169 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:29:53,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:29:53,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601820980] [2020-10-14 02:29:53,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:29:53,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:29:53,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:29:53,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:29:53,171 INFO L87 Difference]: Start difference. First operand 588 states and 823 transitions. Second operand 5 states. [2020-10-14 02:29:54,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:29:54,363 INFO L93 Difference]: Finished difference Result 1754 states and 2515 transitions. [2020-10-14 02:29:54,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:29:54,364 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 144 [2020-10-14 02:29:54,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:29:54,373 INFO L225 Difference]: With dead ends: 1754 [2020-10-14 02:29:54,373 INFO L226 Difference]: Without dead ends: 1172 [2020-10-14 02:29:54,376 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:29:54,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2020-10-14 02:29:54,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1168. [2020-10-14 02:29:54,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1168 states. [2020-10-14 02:29:54,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 1168 states and 1583 transitions. [2020-10-14 02:29:54,433 INFO L78 Accepts]: Start accepts. Automaton has 1168 states and 1583 transitions. Word has length 144 [2020-10-14 02:29:54,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:29:54,434 INFO L479 AbstractCegarLoop]: Abstraction has 1168 states and 1583 transitions. [2020-10-14 02:29:54,434 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:29:54,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1583 transitions. [2020-10-14 02:29:54,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2020-10-14 02:29:54,445 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:29:54,446 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, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:29:54,446 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 02:29:54,446 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:29:54,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:29:54,447 INFO L82 PathProgramCache]: Analyzing trace with hash 562765338, now seen corresponding path program 1 times [2020-10-14 02:29:54,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:29:54,447 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [147210774] [2020-10-14 02:29:54,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:29:54,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:29:54,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:29:54,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:29:54,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:29:57,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:29:59,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:29:59,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 275 [2020-10-14 02:29:59,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 02:29:59,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4898 [2020-10-14 02:29:59,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:29:59,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:29:59,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:29:59,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-14 02:29:59,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 02:29:59,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:29:59,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:29:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:29:59,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:29:59,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:29:59,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:29:59,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:29:59,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:29:59,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:29:59,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:29:59,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:29:59,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:29:59,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:29:59,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:29:59,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:29:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:29:59,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:29:59,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:29:59,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 02:29:59,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:29:59,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-14 02:29:59,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:29:59,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:29:59,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:29:59,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:29:59,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-14 02:29:59,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:29:59,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 02:29:59,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:29:59,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:29:59,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:29:59,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 02:29:59,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:29:59,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-14 02:29:59,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:29:59,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:29:59,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:29:59,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:29:59,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 02:29:59,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:00,061 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 194 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:30:00,062 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [147210774] [2020-10-14 02:30:00,062 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:30:00,062 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:30:00,062 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954627119] [2020-10-14 02:30:00,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:30:00,064 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:30:00,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:30:00,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:30:00,065 INFO L87 Difference]: Start difference. First operand 1168 states and 1583 transitions. Second operand 7 states. [2020-10-14 02:30:01,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:30:01,714 INFO L93 Difference]: Finished difference Result 2507 states and 3450 transitions. [2020-10-14 02:30:01,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 02:30:01,715 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 263 [2020-10-14 02:30:01,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:30:01,724 INFO L225 Difference]: With dead ends: 2507 [2020-10-14 02:30:01,724 INFO L226 Difference]: Without dead ends: 1345 [2020-10-14 02:30:01,729 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 02:30:01,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2020-10-14 02:30:01,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 1335. [2020-10-14 02:30:01,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1335 states. [2020-10-14 02:30:01,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 1794 transitions. [2020-10-14 02:30:01,798 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 1794 transitions. Word has length 263 [2020-10-14 02:30:01,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:30:01,800 INFO L479 AbstractCegarLoop]: Abstraction has 1335 states and 1794 transitions. [2020-10-14 02:30:01,800 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:30:01,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1794 transitions. [2020-10-14 02:30:01,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-10-14 02:30:01,807 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:30:01,808 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, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:30:01,808 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 02:30:01,808 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:30:01,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:30:01,809 INFO L82 PathProgramCache]: Analyzing trace with hash 955805542, now seen corresponding path program 1 times [2020-10-14 02:30:01,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:30:01,809 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1202988227] [2020-10-14 02:30:01,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:30:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:01,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:01,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:03,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:05,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:05,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-10-14 02:30:05,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:30:05,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3506 [2020-10-14 02:30:05,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:05,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:05,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:30:05,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 218 [2020-10-14 02:30:05,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-14 02:30:05,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:05,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:30:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:05,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:05,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:05,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:30:05,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:05,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:30:05,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:05,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:05,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:30:05,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:05,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:30:05,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:05,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:30:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:05,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:05,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:05,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 02:30:05,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:05,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 02:30:05,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:05,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:05,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:30:05,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:05,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:30:05,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:05,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-14 02:30:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:05,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:05,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:05,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 02:30:05,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:05,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-14 02:30:05,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:05,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:05,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:30:05,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:05,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-14 02:30:05,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:05,800 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 121 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-14 02:30:05,801 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1202988227] [2020-10-14 02:30:05,801 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:30:05,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:30:05,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752525556] [2020-10-14 02:30:05,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:30:05,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:30:05,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:30:05,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:30:05,803 INFO L87 Difference]: Start difference. First operand 1335 states and 1794 transitions. Second operand 5 states. [2020-10-14 02:30:07,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:30:07,085 INFO L93 Difference]: Finished difference Result 2362 states and 3235 transitions. [2020-10-14 02:30:07,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:30:07,086 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 273 [2020-10-14 02:30:07,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:30:07,087 INFO L225 Difference]: With dead ends: 2362 [2020-10-14 02:30:07,087 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 02:30:07,093 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:30:07,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 02:30:07,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 02:30:07,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 02:30:07,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 02:30:07,094 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 273 [2020-10-14 02:30:07,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:30:07,095 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 02:30:07,095 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:30:07,095 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 02:30:07,095 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 02:30:07,095 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 02:30:07,098 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 02:30:07,514 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 24 [2020-10-14 02:30:07,582 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 02:30:07,583 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-14 02:30:07,583 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 02:30:07,583 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-14 02:30:07,583 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,583 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,583 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,583 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,584 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,584 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,584 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-14 02:30:07,584 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-14 02:30:07,584 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 02:30:07,584 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 02:30:07,584 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 02:30:07,584 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 02:30:07,584 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 02:30:07,585 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 02:30:07,585 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-14 02:30:07,585 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-14 02:30:07,586 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-14 02:30:07,586 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,586 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,586 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,586 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,586 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,587 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-14 02:30:07,587 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-14 02:30:07,587 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-14 02:30:07,587 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-14 02:30:07,587 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 02:30:07,587 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 02:30:07,587 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 02:30:07,587 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 02:30:07,587 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 02:30:07,588 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-14 02:30:07,588 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-14 02:30:07,588 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-14 02:30:07,588 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-14 02:30:07,588 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2020-10-14 02:30:07,588 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-14 02:30:07,588 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,588 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,589 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,589 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,589 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,589 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-14 02:30:07,590 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 02:30:07,590 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 02:30:07,590 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 02:30:07,590 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 02:30:07,590 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 02:30:07,590 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-14 02:30:07,591 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-14 02:30:07,591 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-14 02:30:07,591 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-14 02:30:07,591 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,592 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,592 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,593 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,593 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,593 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-14 02:30:07,594 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-14 02:30:07,594 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-14 02:30:07,594 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 02:30:07,594 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 02:30:07,594 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 02:30:07,594 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 02:30:07,594 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 02:30:07,594 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-14 02:30:07,594 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-14 02:30:07,595 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-14 02:30:07,595 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-14 02:30:07,595 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-14 02:30:07,595 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,597 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,597 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,598 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,599 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,599 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 02:30:07,599 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 02:30:07,599 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 02:30:07,599 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 02:30:07,600 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 02:30:07,600 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-14 02:30:07,600 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-14 02:30:07,600 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-14 02:30:07,600 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-14 02:30:07,600 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,600 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,600 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,600 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,601 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,601 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,601 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,601 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-14 02:30:07,601 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-14 02:30:07,601 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-14 02:30:07,601 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-14 02:30:07,601 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 02:30:07,602 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 02:30:07,602 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 02:30:07,602 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 02:30:07,602 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 02:30:07,602 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-14 02:30:07,602 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-14 02:30:07,603 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-14 02:30:07,604 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-14 02:30:07,605 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,605 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,605 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,605 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,605 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 02:30:07,605 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,605 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,605 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-14 02:30:07,606 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-14 02:30:07,606 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-14 02:30:07,606 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 02:30:07,606 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 02:30:07,606 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 02:30:07,606 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 02:30:07,607 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 02:30:07,607 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 02:30:07,608 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-14 02:30:07,608 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-14 02:30:07,608 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-14 02:30:07,608 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-14 02:30:07,608 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,608 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,608 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,608 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,609 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,609 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,609 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-14 02:30:07,609 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-14 02:30:07,609 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-14 02:30:07,609 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 02:30:07,609 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 02:30:07,609 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 02:30:07,609 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 02:30:07,610 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 02:30:07,610 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 02:30:07,610 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-14 02:30:07,610 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-14 02:30:07,610 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or .cse0 (not (= 9 |old(~a19~0)|))) (or .cse0 (= 3 |old(~a10~0)|)) (or .cse0 (not (<= 0 (+ |old(~a1~0)| 12)))))) [2020-10-14 02:30:07,610 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-14 02:30:07,610 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-14 02:30:07,611 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-14 02:30:07,611 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,611 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,611 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,611 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,611 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,611 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,611 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-14 02:30:07,611 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 02:30:07,612 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 02:30:07,612 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 02:30:07,612 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 02:30:07,612 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 02:30:07,612 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 02:30:07,612 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-14 02:30:07,612 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-14 02:30:07,612 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-14 02:30:07,612 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-14 02:30:07,613 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-14 02:30:07,613 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-14 02:30:07,613 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,613 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,613 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,613 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,613 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,613 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,613 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-14 02:30:07,613 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-14 02:30:07,614 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-14 02:30:07,614 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 02:30:07,614 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 02:30:07,614 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 02:30:07,614 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 02:30:07,614 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 02:30:07,614 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 02:30:07,614 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-14 02:30:07,615 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-14 02:30:07,615 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-14 02:30:07,615 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,615 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,615 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,615 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,615 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,615 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 02:30:07,616 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-14 02:30:07,616 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-14 02:30:07,616 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-14 02:30:07,616 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 02:30:07,616 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 02:30:07,616 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 02:30:07,616 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 02:30:07,616 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 02:30:07,616 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 02:30:07,617 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-14 02:30:07,617 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-14 02:30:07,617 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-14 02:30:07,617 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 02:30:07,617 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 0 (+ ~a1~0 12)) (= ~a19~0 9)) [2020-10-14 02:30:07,617 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 02:30:07,617 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 02:30:07,620 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= |old(~a10~0)| 0)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (not (<= 0 (+ |old(~a1~0)| 12)))) [2020-10-14 02:30:07,620 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-14 02:30:07,621 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (or (<= 0 (+ ~a1~0 12)) (not (<= |old(~a10~0)| 0)) (not (= ~a10~0 3)) (not (= 9 |old(~a19~0)|)) (= ~a19~0 9) (not (<= 0 (+ |old(~a1~0)| 12)))) [2020-10-14 02:30:07,621 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-14 02:30:07,621 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-14 02:30:07,621 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (<= 0 (+ ~a1~0 12)) (not (<= |old(~a10~0)| 0)) (not (= ~a10~0 3)) (not (= 9 |old(~a19~0)|)) (= ~a19~0 9) (not (<= 0 (+ |old(~a1~0)| 12)))) [2020-10-14 02:30:07,621 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-14 02:30:07,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 02:30:07 BoogieIcfgContainer [2020-10-14 02:30:07,648 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 02:30:07,651 INFO L168 Benchmark]: Toolchain (without parser) took 23988.26 ms. Allocated memory was 149.9 MB in the beginning and 525.9 MB in the end (delta: 375.9 MB). Free memory was 104.9 MB in the beginning and 192.1 MB in the end (delta: -87.3 MB). Peak memory consumption was 288.6 MB. Max. memory is 7.1 GB. [2020-10-14 02:30:07,653 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 149.9 MB. Free memory was 124.5 MB in the beginning and 124.1 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-14 02:30:07,654 INFO L168 Benchmark]: CACSL2BoogieTranslator took 906.04 ms. Allocated memory was 149.9 MB in the beginning and 212.3 MB in the end (delta: 62.4 MB). Free memory was 104.9 MB in the beginning and 178.2 MB in the end (delta: -73.3 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. [2020-10-14 02:30:07,660 INFO L168 Benchmark]: Boogie Preprocessor took 128.00 ms. Allocated memory is still 212.3 MB. Free memory was 178.2 MB in the beginning and 173.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-10-14 02:30:07,661 INFO L168 Benchmark]: RCFGBuilder took 1522.42 ms. Allocated memory was 212.3 MB in the beginning and 231.7 MB in the end (delta: 19.4 MB). Free memory was 173.3 MB in the beginning and 169.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 76.3 MB. Max. memory is 7.1 GB. [2020-10-14 02:30:07,662 INFO L168 Benchmark]: TraceAbstraction took 21426.05 ms. Allocated memory was 231.7 MB in the beginning and 525.9 MB in the end (delta: 294.1 MB). Free memory was 169.3 MB in the beginning and 192.1 MB in the end (delta: -22.8 MB). Peak memory consumption was 271.3 MB. Max. memory is 7.1 GB. [2020-10-14 02:30:07,676 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 149.9 MB. Free memory was 124.5 MB in the beginning and 124.1 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 906.04 ms. Allocated memory was 149.9 MB in the beginning and 212.3 MB in the end (delta: 62.4 MB). Free memory was 104.9 MB in the beginning and 178.2 MB in the end (delta: -73.3 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.00 ms. Allocated memory is still 212.3 MB. Free memory was 178.2 MB in the beginning and 173.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1522.42 ms. Allocated memory was 212.3 MB in the beginning and 231.7 MB in the end (delta: 19.4 MB). Free memory was 173.3 MB in the beginning and 169.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 76.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21426.05 ms. Allocated memory was 231.7 MB in the beginning and 525.9 MB in the end (delta: 294.1 MB). Free memory was 169.3 MB in the beginning and 192.1 MB in the end (delta: -22.8 MB). Peak memory consumption was 271.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 187]: 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: ((((0 <= a1 + 12 || !(\old(a10) <= 0)) || !(a10 == 3)) || !(9 == \old(a19))) || a19 == 9) || !(0 <= \old(a1) + 12) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.8s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 7.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 117 SDtfs, 2120 SDslu, 114 SDs, 0 SdLazy, 3723 SolverSat, 671 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1335occurred 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: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 22 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 38 PreInvPairs, 72 NumberOfFragments, 170 HoareAnnotationTreeSize, 38 FomulaSimplifications, 4138 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 832 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 12.3s InterpolantComputationTime, 884 NumberOfCodeBlocks, 884 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 879 ConstructedInterpolants, 0 QuantifiedInterpolants, 533504 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 518/524 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...