/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/Problem01_label45.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 00:43:53,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 00:43:53,623 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 00:43:53,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 00:43:53,647 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 00:43:53,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 00:43:53,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 00:43:53,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 00:43:53,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 00:43:53,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 00:43:53,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 00:43:53,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 00:43:53,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 00:43:53,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 00:43:53,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 00:43:53,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 00:43:53,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 00:43:53,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 00:43:53,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 00:43:53,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 00:43:53,665 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 00:43:53,666 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 00:43:53,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 00:43:53,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 00:43:53,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 00:43:53,670 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 00:43:53,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 00:43:53,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 00:43:53,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 00:43:53,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 00:43:53,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 00:43:53,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 00:43:53,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 00:43:53,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 00:43:53,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 00:43:53,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 00:43:53,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 00:43:53,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 00:43:53,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 00:43:53,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 00:43:53,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 00:43:53,680 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 00:43:53,703 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 00:43:53,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 00:43:53,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 00:43:53,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 00:43:53,705 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 00:43:53,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 00:43:53,706 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 00:43:53,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 00:43:53,706 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 00:43:53,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 00:43:53,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 00:43:53,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 00:43:53,707 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 00:43:53,707 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 00:43:53,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 00:43:53,708 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 00:43:53,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 00:43:53,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 00:43:53,708 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 00:43:53,708 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 00:43:53,709 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 00:43:53,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 00:43:53,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 00:43:53,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 00:43:53,710 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 00:43:53,710 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 00:43:53,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 00:43:53,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 00:43:53,710 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 00:43:53,710 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 00:43:54,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 00:43:54,033 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 00:43:54,037 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 00:43:54,040 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 00:43:54,040 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 00:43:54,041 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label45.c [2020-10-14 00:43:54,120 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/35c0a5f09/a784b9db6ecd4d3a919d6debee79655a/FLAGb893f43cf [2020-10-14 00:43:54,748 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 00:43:54,749 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label45.c [2020-10-14 00:43:54,764 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/35c0a5f09/a784b9db6ecd4d3a919d6debee79655a/FLAGb893f43cf [2020-10-14 00:43:54,961 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/35c0a5f09/a784b9db6ecd4d3a919d6debee79655a [2020-10-14 00:43:54,971 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 00:43:54,973 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 00:43:54,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 00:43:54,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 00:43:54,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 00:43:54,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:43:54" (1/1) ... [2020-10-14 00:43:54,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55e164ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:54, skipping insertion in model container [2020-10-14 00:43:54,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:43:54" (1/1) ... [2020-10-14 00:43:54,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 00:43:55,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 00:43:55,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:43:55,541 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 00:43:55,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:43:55,768 INFO L208 MainTranslator]: Completed translation [2020-10-14 00:43:55,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:55 WrapperNode [2020-10-14 00:43:55,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 00:43:55,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 00:43:55,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 00:43:55,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 00:43:55,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:55" (1/1) ... [2020-10-14 00:43:55,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:55" (1/1) ... [2020-10-14 00:43:55,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:55" (1/1) ... [2020-10-14 00:43:55,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:55" (1/1) ... [2020-10-14 00:43:55,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:55" (1/1) ... [2020-10-14 00:43:55,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:55" (1/1) ... [2020-10-14 00:43:55,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:55" (1/1) ... [2020-10-14 00:43:55,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 00:43:55,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 00:43:55,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 00:43:55,883 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 00:43:55,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:55" (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 00:43:55,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 00:43:55,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 00:43:55,989 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 00:43:55,989 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 00:43:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 00:43:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 00:43:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 00:43:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 00:43:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 00:43:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 00:43:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 00:43:57,177 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 00:43:57,177 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 00:43:57,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:43:57 BoogieIcfgContainer [2020-10-14 00:43:57,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 00:43:57,185 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 00:43:57,185 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 00:43:57,189 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 00:43:57,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:43:54" (1/3) ... [2020-10-14 00:43:57,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4445c8ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:43:57, skipping insertion in model container [2020-10-14 00:43:57,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:55" (2/3) ... [2020-10-14 00:43:57,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4445c8ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:43:57, skipping insertion in model container [2020-10-14 00:43:57,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:43:57" (3/3) ... [2020-10-14 00:43:57,193 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label45.c [2020-10-14 00:43:57,205 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 00:43:57,214 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 00:43:57,230 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 00:43:57,258 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 00:43:57,259 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 00:43:57,259 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 00:43:57,259 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 00:43:57,259 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 00:43:57,259 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 00:43:57,260 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 00:43:57,260 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 00:43:57,285 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-10-14 00:43:57,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-14 00:43:57,299 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:43:57,300 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:43:57,301 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:43:57,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:43:57,307 INFO L82 PathProgramCache]: Analyzing trace with hash 700982975, now seen corresponding path program 1 times [2020-10-14 00:43:57,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:43:57,317 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1954212464] [2020-10-14 00:43:57,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:43:57,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:43:57,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:43:58,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:43:59,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:43:59,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 00:43:59,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 00:43:59,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1554 [2020-10-14 00:43:59,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:43:59,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:43:59,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 00:43:59,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:43:59,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 00:43:59,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 00:43:59,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:43:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:43:59,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:43:59,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:43:59,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:43:59,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:43:59,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 00:43:59,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:43:59,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:43:59,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:43:59,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:43:59,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 00:43:59,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:43:59,427 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 00:43:59,428 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1954212464] [2020-10-14 00:43:59,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:43:59,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:43:59,431 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939573081] [2020-10-14 00:43:59,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 00:43:59,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:43:59,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 00:43:59,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 00:43:59,455 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2020-10-14 00:44:01,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:44:01,074 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-10-14 00:44:01,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:44:01,077 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 123 [2020-10-14 00:44:01,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:44:01,093 INFO L225 Difference]: With dead ends: 557 [2020-10-14 00:44:01,093 INFO L226 Difference]: Without dead ends: 286 [2020-10-14 00:44:01,101 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:44:01,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-10-14 00:44:01,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-10-14 00:44:01,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-10-14 00:44:01,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 396 transitions. [2020-10-14 00:44:01,183 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 396 transitions. Word has length 123 [2020-10-14 00:44:01,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:44:01,184 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 396 transitions. [2020-10-14 00:44:01,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 00:44:01,184 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 396 transitions. [2020-10-14 00:44:01,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-14 00:44:01,189 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:44:01,189 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:44:01,189 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 00:44:01,190 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:44:01,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:44:01,190 INFO L82 PathProgramCache]: Analyzing trace with hash 538208968, now seen corresponding path program 1 times [2020-10-14 00:44:01,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:44:01,191 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [173603108] [2020-10-14 00:44:01,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:44:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:01,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:01,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:02,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:02,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:02,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:02,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-14 00:44:02,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:44:02,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1473 [2020-10-14 00:44:02,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:02,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:02,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:44:02,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 00:44:02,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 00:44:02,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:02,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:44:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:02,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:02,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:02,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:44:02,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:44:02,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 00:44:02,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:02,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:02,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:44:02,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:44:02,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:44:02,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:02,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:44:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:02,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:02,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:02,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 00:44:02,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:44:02,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 00:44:02,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:02,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:02,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:44:02,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:44:02,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 00:44:02,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:02,958 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:44:02,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [173603108] [2020-10-14 00:44:02,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:44:02,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:44:02,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791096735] [2020-10-14 00:44:02,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:44:02,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:44:02,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:44:02,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:44:02,963 INFO L87 Difference]: Start difference. First operand 280 states and 396 transitions. Second operand 5 states. [2020-10-14 00:44:04,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:44:04,356 INFO L93 Difference]: Finished difference Result 834 states and 1201 transitions. [2020-10-14 00:44:04,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:44:04,357 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2020-10-14 00:44:04,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:44:04,363 INFO L225 Difference]: With dead ends: 834 [2020-10-14 00:44:04,363 INFO L226 Difference]: Without dead ends: 560 [2020-10-14 00:44:04,365 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:44:04,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-10-14 00:44:04,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 556. [2020-10-14 00:44:04,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2020-10-14 00:44:04,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 743 transitions. [2020-10-14 00:44:04,412 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 743 transitions. Word has length 133 [2020-10-14 00:44:04,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:44:04,413 INFO L479 AbstractCegarLoop]: Abstraction has 556 states and 743 transitions. [2020-10-14 00:44:04,414 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:44:04,414 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 743 transitions. [2020-10-14 00:44:04,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-14 00:44:04,425 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:44:04,426 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:44:04,426 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 00:44:04,426 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:44:04,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:44:04,427 INFO L82 PathProgramCache]: Analyzing trace with hash -663161394, now seen corresponding path program 1 times [2020-10-14 00:44:04,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:44:04,430 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1090451266] [2020-10-14 00:44:04,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:44:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:04,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:04,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:04,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:09,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:09,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-14 00:44:09,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:44:09,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4747 [2020-10-14 00:44:09,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:09,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:09,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:44:09,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 00:44:09,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 00:44:09,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:09,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:44:09,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:09,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:09,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:09,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:44:09,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:44:09,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 00:44:09,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:09,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:09,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:44:09,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:44:09,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:44:09,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:09,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:44:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:09,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:09,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:09,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 00:44:09,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:44:09,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 00:44:09,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:09,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:09,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:44:09,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:44:09,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 00:44:09,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:09,434 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:44:09,434 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1090451266] [2020-10-14 00:44:09,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:44:09,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 00:44:09,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358931154] [2020-10-14 00:44:09,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 00:44:09,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:44:09,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 00:44:09,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:44:09,437 INFO L87 Difference]: Start difference. First operand 556 states and 743 transitions. Second operand 6 states. [2020-10-14 00:44:11,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:44:11,163 INFO L93 Difference]: Finished difference Result 1658 states and 2288 transitions. [2020-10-14 00:44:11,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 00:44:11,164 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2020-10-14 00:44:11,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:44:11,171 INFO L225 Difference]: With dead ends: 1658 [2020-10-14 00:44:11,172 INFO L226 Difference]: Without dead ends: 1108 [2020-10-14 00:44:11,174 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 00:44:11,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2020-10-14 00:44:11,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 1104. [2020-10-14 00:44:11,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1104 states. [2020-10-14 00:44:11,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 1104 states and 1405 transitions. [2020-10-14 00:44:11,226 INFO L78 Accepts]: Start accepts. Automaton has 1104 states and 1405 transitions. Word has length 138 [2020-10-14 00:44:11,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:44:11,228 INFO L479 AbstractCegarLoop]: Abstraction has 1104 states and 1405 transitions. [2020-10-14 00:44:11,228 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 00:44:11,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1405 transitions. [2020-10-14 00:44:11,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-14 00:44:11,245 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:44:11,245 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:44:11,246 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 00:44:11,246 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:44:11,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:44:11,246 INFO L82 PathProgramCache]: Analyzing trace with hash 709171192, now seen corresponding path program 1 times [2020-10-14 00:44:11,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:44:11,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [607961478] [2020-10-14 00:44:11,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:44:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:11,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:11,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:11,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:12,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:12,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-14 00:44:12,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:44:12,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1375 [2020-10-14 00:44:12,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:12,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:12,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:44:12,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-14 00:44:12,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 00:44:12,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:12,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:44:12,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:12,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:12,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:12,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:44:12,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:44:12,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 00:44:12,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:12,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:12,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:44:12,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:44:12,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:44:12,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:12,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:44:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:12,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:12,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:12,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 00:44:12,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:44:12,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 00:44:12,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:12,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:12,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:44:12,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:44:12,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 00:44:12,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:12,894 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:44:12,894 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [607961478] [2020-10-14 00:44:12,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:44:12,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:44:12,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726938360] [2020-10-14 00:44:12,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:44:12,896 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:44:12,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:44:12,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:44:12,897 INFO L87 Difference]: Start difference. First operand 1104 states and 1405 transitions. Second operand 5 states. [2020-10-14 00:44:14,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:44:14,276 INFO L93 Difference]: Finished difference Result 3028 states and 3944 transitions. [2020-10-14 00:44:14,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:44:14,276 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 157 [2020-10-14 00:44:14,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:44:14,290 INFO L225 Difference]: With dead ends: 3028 [2020-10-14 00:44:14,291 INFO L226 Difference]: Without dead ends: 1930 [2020-10-14 00:44:14,295 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:44:14,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1930 states. [2020-10-14 00:44:14,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1930 to 1652. [2020-10-14 00:44:14,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1652 states. [2020-10-14 00:44:14,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1652 states and 2120 transitions. [2020-10-14 00:44:14,390 INFO L78 Accepts]: Start accepts. Automaton has 1652 states and 2120 transitions. Word has length 157 [2020-10-14 00:44:14,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:44:14,391 INFO L479 AbstractCegarLoop]: Abstraction has 1652 states and 2120 transitions. [2020-10-14 00:44:14,391 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:44:14,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 2120 transitions. [2020-10-14 00:44:14,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-14 00:44:14,401 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:44:14,402 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:44:14,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 00:44:14,403 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:44:14,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:44:14,403 INFO L82 PathProgramCache]: Analyzing trace with hash 681158658, now seen corresponding path program 1 times [2020-10-14 00:44:14,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:44:14,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1839779164] [2020-10-14 00:44:14,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:44:14,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:14,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:14,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:14,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:15,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:18,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:18,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-14 00:44:18,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:44:18,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4353 [2020-10-14 00:44:18,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:18,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:18,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:44:18,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-14 00:44:18,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 00:44:18,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:18,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:44:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:18,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:18,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:18,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:44:18,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:44:18,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 00:44:18,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:18,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:18,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:44:18,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:44:18,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:44:18,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:18,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:44:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:44:19,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:44:19,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:44:19,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 00:44:19,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:44:19,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-14 00:44:19,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:44:19,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:44:19,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:44:19,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:44:19,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 00:44:19,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:44:19,166 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 69 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:44:19,167 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1839779164] [2020-10-14 00:44:19,168 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:44:19,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:44:19,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186735244] [2020-10-14 00:44:19,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:44:19,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:44:19,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:44:19,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:44:19,171 INFO L87 Difference]: Start difference. First operand 1652 states and 2120 transitions. Second operand 5 states. [2020-10-14 00:44:20,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:44:20,220 INFO L93 Difference]: Finished difference Result 3711 states and 4829 transitions. [2020-10-14 00:44:20,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:44:20,220 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 196 [2020-10-14 00:44:20,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:44:20,221 INFO L225 Difference]: With dead ends: 3711 [2020-10-14 00:44:20,221 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 00:44:20,231 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:44:20,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 00:44:20,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 00:44:20,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 00:44:20,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 00:44:20,234 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 196 [2020-10-14 00:44:20,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:44:20,235 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 00:44:20,235 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:44:20,235 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 00:44:20,235 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 00:44:20,235 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 00:44:20,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 00:44:20,787 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 34 [2020-10-14 00:44:20,859 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 00:44:20,860 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-14 00:44:20,860 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 00:44:20,860 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-10-14 00:44:20,860 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-10-14 00:44:20,861 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,861 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,861 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,861 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,861 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,861 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,861 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-10-14 00:44:20,862 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-10-14 00:44:20,862 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-10-14 00:44:20,862 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-10-14 00:44:20,862 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-10-14 00:44:20,863 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-10-14 00:44:20,863 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-10-14 00:44:20,863 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-10-14 00:44:20,863 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-10-14 00:44:20,863 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-10-14 00:44:20,863 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,863 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,863 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,864 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,864 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,864 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,864 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-10-14 00:44:20,864 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-10-14 00:44:20,864 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-10-14 00:44:20,864 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-10-14 00:44:20,864 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-10-14 00:44:20,865 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-10-14 00:44:20,865 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-10-14 00:44:20,865 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-10-14 00:44:20,865 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-10-14 00:44:20,865 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-10-14 00:44:20,865 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-10-14 00:44:20,865 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 527) no Hoare annotation was computed. [2020-10-14 00:44:20,866 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-10-14 00:44:20,866 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-10-14 00:44:20,866 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-10-14 00:44:20,866 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-10-14 00:44:20,866 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,866 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,866 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,867 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,867 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,867 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-10-14 00:44:20,867 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-10-14 00:44:20,867 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-10-14 00:44:20,867 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-10-14 00:44:20,868 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-10-14 00:44:20,868 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-10-14 00:44:20,868 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-10-14 00:44:20,868 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-10-14 00:44:20,868 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-10-14 00:44:20,868 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,868 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,869 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,869 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,870 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,871 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-10-14 00:44:20,871 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-10-14 00:44:20,871 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-10-14 00:44:20,871 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-10-14 00:44:20,872 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-10-14 00:44:20,872 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-10-14 00:44:20,872 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-10-14 00:44:20,872 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-10-14 00:44:20,872 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-10-14 00:44:20,872 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-10-14 00:44:20,872 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-10-14 00:44:20,873 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-10-14 00:44:20,873 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-10-14 00:44:20,873 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,873 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,873 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,873 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,873 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,873 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-10-14 00:44:20,874 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-10-14 00:44:20,874 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-10-14 00:44:20,874 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-10-14 00:44:20,874 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-10-14 00:44:20,874 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-10-14 00:44:20,874 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-10-14 00:44:20,875 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-10-14 00:44:20,875 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-10-14 00:44:20,875 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,875 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,875 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,875 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,875 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,876 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,876 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-10-14 00:44:20,876 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,876 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-10-14 00:44:20,876 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-10-14 00:44:20,876 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-10-14 00:44:20,876 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-10-14 00:44:20,877 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-10-14 00:44:20,877 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-10-14 00:44:20,877 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-10-14 00:44:20,877 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-10-14 00:44:20,877 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-10-14 00:44:20,877 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-10-14 00:44:20,877 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-10-14 00:44:20,877 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-10-14 00:44:20,877 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-10-14 00:44:20,878 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,878 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,878 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,878 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,879 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,879 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-10-14 00:44:20,879 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-10-14 00:44:20,879 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-10-14 00:44:20,879 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-10-14 00:44:20,880 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-10-14 00:44:20,880 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-10-14 00:44:20,880 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-10-14 00:44:20,880 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-10-14 00:44:20,880 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,880 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,880 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,880 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,881 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,881 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-10-14 00:44:20,881 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-10-14 00:44:20,881 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-10-14 00:44:20,881 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-10-14 00:44:20,881 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-10-14 00:44:20,881 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-10-14 00:44:20,881 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-10-14 00:44:20,882 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-10-14 00:44:20,882 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-10-14 00:44:20,882 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-10-14 00:44:20,883 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse1 (= ~a17~0 |old(~a17~0)|)) (.cse2 (= ~a7~0 |old(~a7~0)|)) (.cse3 (= ~a21~0 |old(~a21~0)|)) (.cse4 (= ~a20~0 |old(~a20~0)|)) (.cse5 (= ~a8~0 |old(~a8~0)|))) (let ((.cse0 (and .cse1 .cse2 .cse3 .cse4 (= ~a16~0 |old(~a16~0)|) .cse5))) (and (or (not (<= 14 |old(~a8~0)|)) .cse0) (or (and .cse1 .cse2 .cse3 .cse4 .cse5 (= ~a16~0 4)) (not (= 4 |old(~a16~0)|))) (or (not (= |old(~a20~0)| 1)) .cse0)))) [2020-10-14 00:44:20,883 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-10-14 00:44:20,883 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,883 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,883 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,884 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,884 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-10-14 00:44:20,884 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,884 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,884 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-10-14 00:44:20,884 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-10-14 00:44:20,884 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-10-14 00:44:20,885 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-10-14 00:44:20,885 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-10-14 00:44:20,885 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-10-14 00:44:20,885 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-10-14 00:44:20,885 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-10-14 00:44:20,885 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-10-14 00:44:20,885 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-10-14 00:44:20,886 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-10-14 00:44:20,886 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-10-14 00:44:20,886 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,886 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,886 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,886 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,886 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,886 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-10-14 00:44:20,887 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,887 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-10-14 00:44:20,887 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-10-14 00:44:20,887 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-10-14 00:44:20,887 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-10-14 00:44:20,887 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-10-14 00:44:20,887 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-10-14 00:44:20,887 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-10-14 00:44:20,888 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-10-14 00:44:20,888 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-10-14 00:44:20,888 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-10-14 00:44:20,888 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-10-14 00:44:20,888 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-10-14 00:44:20,888 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-10-14 00:44:20,888 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-10-14 00:44:20,888 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,889 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,889 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,889 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,889 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,889 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:44:20,889 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-10-14 00:44:20,889 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-10-14 00:44:20,890 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-10-14 00:44:20,890 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-10-14 00:44:20,890 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-10-14 00:44:20,890 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-10-14 00:44:20,890 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-10-14 00:44:20,890 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-10-14 00:44:20,890 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-10-14 00:44:20,890 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-10-14 00:44:20,891 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 00:44:20,891 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a20~0 1) (<= 15 ~a8~0)) [2020-10-14 00:44:20,891 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 00:44:20,891 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 00:44:20,891 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (and (= ~a17~0 |old(~a17~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|))) [2020-10-14 00:44:20,891 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-10-14 00:44:20,891 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (or (<= 14 ~a8~0) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (= ~a20~0 1) (= ~a16~0 4)) [2020-10-14 00:44:20,892 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-10-14 00:44:20,892 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-14 00:44:20,892 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (or (<= 14 ~a8~0) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (= ~a20~0 1) (= ~a16~0 4)) [2020-10-14 00:44:20,892 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-10-14 00:44:20,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 12:44:20 BoogieIcfgContainer [2020-10-14 00:44:20,920 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 00:44:20,923 INFO L168 Benchmark]: Toolchain (without parser) took 25949.52 ms. Allocated memory was 142.6 MB in the beginning and 703.1 MB in the end (delta: 560.5 MB). Free memory was 101.7 MB in the beginning and 393.6 MB in the end (delta: -291.9 MB). Peak memory consumption was 268.6 MB. Max. memory is 7.1 GB. [2020-10-14 00:44:20,925 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 142.6 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-14 00:44:20,927 INFO L168 Benchmark]: CACSL2BoogieTranslator took 794.98 ms. Allocated memory was 142.6 MB in the beginning and 204.5 MB in the end (delta: 61.9 MB). Free memory was 101.5 MB in the beginning and 170.8 MB in the end (delta: -69.3 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. [2020-10-14 00:44:20,932 INFO L168 Benchmark]: Boogie Preprocessor took 109.22 ms. Allocated memory is still 204.5 MB. Free memory was 170.8 MB in the beginning and 165.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-10-14 00:44:20,934 INFO L168 Benchmark]: RCFGBuilder took 1301.77 ms. Allocated memory was 204.5 MB in the beginning and 238.0 MB in the end (delta: 33.6 MB). Free memory was 165.8 MB in the beginning and 179.9 MB in the end (delta: -14.2 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. [2020-10-14 00:44:20,935 INFO L168 Benchmark]: TraceAbstraction took 23734.79 ms. Allocated memory was 238.0 MB in the beginning and 703.1 MB in the end (delta: 465.0 MB). Free memory was 178.5 MB in the beginning and 393.6 MB in the end (delta: -215.1 MB). Peak memory consumption was 249.9 MB. Max. memory is 7.1 GB. [2020-10-14 00:44:20,949 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 142.6 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 794.98 ms. Allocated memory was 142.6 MB in the beginning and 204.5 MB in the end (delta: 61.9 MB). Free memory was 101.5 MB in the beginning and 170.8 MB in the end (delta: -69.3 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.22 ms. Allocated memory is still 204.5 MB. Free memory was 170.8 MB in the beginning and 165.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1301.77 ms. Allocated memory was 204.5 MB in the beginning and 238.0 MB in the end (delta: 33.6 MB). Free memory was 165.8 MB in the beginning and 179.9 MB in the end (delta: -14.2 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23734.79 ms. Allocated memory was 238.0 MB in the beginning and 703.1 MB in the end (delta: 465.0 MB). Free memory was 178.5 MB in the beginning and 393.6 MB in the end (delta: -215.1 MB). Peak memory consumption was 249.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 527]: 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: 583]: Loop Invariant Derived loop invariant: (((14 <= a8 || !(15 <= \old(a8))) || !(\old(a20) == 1)) || a20 == 1) || a16 == 4 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.9s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 128 SDtfs, 1449 SDslu, 97 SDs, 0 SdLazy, 3161 SolverSat, 470 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1652occurred 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, 292 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 49 PreInvPairs, 81 NumberOfFragments, 203 HoareAnnotationTreeSize, 49 FomulaSimplifications, 5453 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1129 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 14.6s InterpolantComputationTime, 747 NumberOfCodeBlocks, 747 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 742 ConstructedInterpolants, 0 QuantifiedInterpolants, 359761 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 116/120 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...