/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/Problem03_label48.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 00:54:32,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 00:54:32,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 00:54:32,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 00:54:32,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 00:54:32,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 00:54:32,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 00:54:32,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 00:54:32,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 00:54:32,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 00:54:32,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 00:54:32,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 00:54:32,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 00:54:32,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 00:54:32,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 00:54:32,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 00:54:32,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 00:54:32,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 00:54:32,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 00:54:32,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 00:54:32,771 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 00:54:32,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 00:54:32,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 00:54:32,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 00:54:32,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 00:54:32,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 00:54:32,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 00:54:32,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 00:54:32,783 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 00:54:32,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 00:54:32,784 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 00:54:32,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 00:54:32,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 00:54:32,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 00:54:32,787 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 00:54:32,787 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 00:54:32,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 00:54:32,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 00:54:32,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 00:54:32,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 00:54:32,789 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 00:54:32,790 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 00:54:32,817 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 00:54:32,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 00:54:32,818 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 00:54:32,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 00:54:32,819 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 00:54:32,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 00:54:32,819 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 00:54:32,819 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 00:54:32,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 00:54:32,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 00:54:32,820 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 00:54:32,820 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 00:54:32,820 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 00:54:32,821 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 00:54:32,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 00:54:32,824 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 00:54:32,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 00:54:32,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 00:54:32,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 00:54:32,825 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 00:54:32,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 00:54:32,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 00:54:32,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 00:54:32,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 00:54:32,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 00:54:32,827 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 00:54:32,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 00:54:32,830 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 00:54:32,830 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 00:54:32,831 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 00:54:33,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 00:54:33,226 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 00:54:33,233 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 00:54:33,239 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 00:54:33,239 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 00:54:33,240 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label48.c [2020-10-14 00:54:33,318 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d572250be/0cd5b61846c543108a7136e5692aa680/FLAG5eee95962 [2020-10-14 00:54:33,938 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 00:54:33,938 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem03_label48.c [2020-10-14 00:54:33,959 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d572250be/0cd5b61846c543108a7136e5692aa680/FLAG5eee95962 [2020-10-14 00:54:34,106 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d572250be/0cd5b61846c543108a7136e5692aa680 [2020-10-14 00:54:34,115 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 00:54:34,117 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 00:54:34,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 00:54:34,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 00:54:34,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 00:54:34,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:54:34" (1/1) ... [2020-10-14 00:54:34,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:34, skipping insertion in model container [2020-10-14 00:54:34,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:54:34" (1/1) ... [2020-10-14 00:54:34,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 00:54:34,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 00:54:35,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:54:35,231 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 00:54:35,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:54:35,557 INFO L208 MainTranslator]: Completed translation [2020-10-14 00:54:35,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:35 WrapperNode [2020-10-14 00:54:35,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 00:54:35,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 00:54:35,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 00:54:35,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 00:54:35,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:35" (1/1) ... [2020-10-14 00:54:35,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:35" (1/1) ... [2020-10-14 00:54:35,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:35" (1/1) ... [2020-10-14 00:54:35,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:35" (1/1) ... [2020-10-14 00:54:35,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:35" (1/1) ... [2020-10-14 00:54:35,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:35" (1/1) ... [2020-10-14 00:54:35,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:35" (1/1) ... [2020-10-14 00:54:35,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 00:54:35,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 00:54:35,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 00:54:35,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 00:54:35,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:35" (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 00:54:35,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 00:54:35,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 00:54:35,855 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 00:54:35,855 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 00:54:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 00:54:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 00:54:35,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 00:54:35,856 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 00:54:35,856 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 00:54:35,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 00:54:35,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 00:54:37,977 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 00:54:37,977 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 00:54:37,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:54:37 BoogieIcfgContainer [2020-10-14 00:54:37,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 00:54:37,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 00:54:37,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 00:54:37,989 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 00:54:37,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:54:34" (1/3) ... [2020-10-14 00:54:37,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c70f124 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:54:37, skipping insertion in model container [2020-10-14 00:54:37,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:35" (2/3) ... [2020-10-14 00:54:37,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c70f124 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:54:37, skipping insertion in model container [2020-10-14 00:54:37,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:54:37" (3/3) ... [2020-10-14 00:54:37,993 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem03_label48.c [2020-10-14 00:54:38,005 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 00:54:38,014 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 00:54:38,029 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 00:54:38,057 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 00:54:38,057 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 00:54:38,057 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 00:54:38,057 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 00:54:38,057 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 00:54:38,058 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 00:54:38,058 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 00:54:38,058 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 00:54:38,083 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states. [2020-10-14 00:54:38,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-14 00:54:38,100 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:54:38,102 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:54:38,102 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:54:38,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:54:38,109 INFO L82 PathProgramCache]: Analyzing trace with hash 1739867384, now seen corresponding path program 1 times [2020-10-14 00:54:38,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:54:38,120 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1622537515] [2020-10-14 00:54:38,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:54:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:38,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:39,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:43,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:43,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-14 00:54:43,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 00:54:43,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4735 [2020-10-14 00:54:43,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:43,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:43,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 00:54:43,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:54:43,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 191 [2020-10-14 00:54:43,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 00:54:43,783 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:54:43,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:54:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:43,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:43,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:43,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:54:43,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:43,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 00:54:43,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:43,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:43,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:54:43,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:43,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 00:54:43,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 00:54:43,967 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 00:54:43,968 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1622537515] [2020-10-14 00:54:43,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:54:43,970 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:54:43,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817580560] [2020-10-14 00:54:43,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 00:54:43,978 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:54:43,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 00:54:43,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 00:54:43,996 INFO L87 Difference]: Start difference. First operand 311 states. Second operand 4 states. [2020-10-14 00:54:44,213 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:54:47,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:54:47,350 INFO L93 Difference]: Finished difference Result 889 states and 1547 transitions. [2020-10-14 00:54:47,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:54:47,354 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 189 [2020-10-14 00:54:47,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:54:47,394 INFO L225 Difference]: With dead ends: 889 [2020-10-14 00:54:47,394 INFO L226 Difference]: Without dead ends: 485 [2020-10-14 00:54:47,407 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:54:47,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2020-10-14 00:54:47,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 475. [2020-10-14 00:54:47,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2020-10-14 00:54:47,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 731 transitions. [2020-10-14 00:54:47,566 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 731 transitions. Word has length 189 [2020-10-14 00:54:47,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:54:47,567 INFO L479 AbstractCegarLoop]: Abstraction has 475 states and 731 transitions. [2020-10-14 00:54:47,567 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 00:54:47,567 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 731 transitions. [2020-10-14 00:54:47,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-14 00:54:47,575 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:54:47,576 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:54:47,576 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 00:54:47,576 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:54:47,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:54:47,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1270539508, now seen corresponding path program 1 times [2020-10-14 00:54:47,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:54:47,578 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [388294331] [2020-10-14 00:54:47,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:54:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:47,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:48,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:49,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:51,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:51,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-10-14 00:54:51,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:54:51,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3437 [2020-10-14 00:54:51,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:51,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:51,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:54:51,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-14 00:54:51,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 188 [2020-10-14 00:54:51,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 00:54:51,564 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:54:51,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:54:51,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:51,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:51,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:51,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:54:51,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:51,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 00:54:51,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:51,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:51,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:54:51,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:51,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:54:51,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:54:51,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:54:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:51,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:51,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:51,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 00:54:51,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:51,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 00:54:51,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:51,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:51,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:54:51,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:51,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 00:54:51,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:54:51,812 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:54:51,812 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [388294331] [2020-10-14 00:54:51,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:54:51,813 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:54:51,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021211465] [2020-10-14 00:54:51,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:54:51,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:54:51,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:54:51,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:54:51,816 INFO L87 Difference]: Start difference. First operand 475 states and 731 transitions. Second operand 5 states. [2020-10-14 00:54:52,000 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:54:54,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:54:54,910 INFO L93 Difference]: Finished difference Result 1384 states and 2151 transitions. [2020-10-14 00:54:54,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:54:54,912 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 201 [2020-10-14 00:54:54,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:54:54,925 INFO L225 Difference]: With dead ends: 1384 [2020-10-14 00:54:54,925 INFO L226 Difference]: Without dead ends: 915 [2020-10-14 00:54:54,928 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:54:54,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2020-10-14 00:54:54,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 910. [2020-10-14 00:54:54,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 910 states. [2020-10-14 00:54:54,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1308 transitions. [2020-10-14 00:54:54,994 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1308 transitions. Word has length 201 [2020-10-14 00:54:54,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:54:54,995 INFO L479 AbstractCegarLoop]: Abstraction has 910 states and 1308 transitions. [2020-10-14 00:54:54,995 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:54:54,995 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1308 transitions. [2020-10-14 00:54:55,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-14 00:54:55,002 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:54:55,002 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:55,002 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 00:54:55,002 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:54:55,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:54:55,003 INFO L82 PathProgramCache]: Analyzing trace with hash 940059888, now seen corresponding path program 1 times [2020-10-14 00:54:55,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:54:55,004 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [585830227] [2020-10-14 00:54:55,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:54:55,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:55,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:55,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:56,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:58,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:58,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-10-14 00:54:58,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:54:58,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3085 [2020-10-14 00:54:58,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:58,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:58,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:54:58,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-14 00:54:58,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 188 [2020-10-14 00:54:58,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:54:58,524 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:54:58,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:54:58,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:58,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:58,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:58,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:54:58,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:58,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 00:54:58,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:58,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:58,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:54:58,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:58,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:54:58,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:54:58,699 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-14 00:54:58,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:54:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:58,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:58,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:58,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 00:54:58,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:58,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 00:54:58,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:58,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:58,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:54:58,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:58,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 00:54:58,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:54:58,881 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:54:58,883 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [585830227] [2020-10-14 00:54:58,883 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:54:58,884 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:54:58,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538542244] [2020-10-14 00:54:58,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:54:58,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:54:58,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:54:58,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:54:58,888 INFO L87 Difference]: Start difference. First operand 910 states and 1308 transitions. Second operand 5 states. [2020-10-14 00:54:59,160 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:55:02,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:55:02,005 INFO L93 Difference]: Finished difference Result 2669 states and 3908 transitions. [2020-10-14 00:55:02,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:55:02,006 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 203 [2020-10-14 00:55:02,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:55:02,018 INFO L225 Difference]: With dead ends: 2669 [2020-10-14 00:55:02,018 INFO L226 Difference]: Without dead ends: 1765 [2020-10-14 00:55:02,021 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:55:02,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1765 states. [2020-10-14 00:55:02,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1765 to 1758. [2020-10-14 00:55:02,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1758 states. [2020-10-14 00:55:02,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 1758 states and 2444 transitions. [2020-10-14 00:55:02,078 INFO L78 Accepts]: Start accepts. Automaton has 1758 states and 2444 transitions. Word has length 203 [2020-10-14 00:55:02,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:55:02,079 INFO L479 AbstractCegarLoop]: Abstraction has 1758 states and 2444 transitions. [2020-10-14 00:55:02,079 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:55:02,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1758 states and 2444 transitions. [2020-10-14 00:55:02,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-14 00:55:02,087 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:55:02,087 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:55:02,088 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 00:55:02,088 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:55:02,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:55:02,089 INFO L82 PathProgramCache]: Analyzing trace with hash 596401387, now seen corresponding path program 1 times [2020-10-14 00:55:02,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:55:02,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [261487569] [2020-10-14 00:55:02,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:55:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:02,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:02,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:03,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:07,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:07,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-14 00:55:07,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:55:07,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-14 00:55:07,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:07,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:07,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:55:07,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-14 00:55:07,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 188 [2020-10-14 00:55:07,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:55:07,416 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:55:07,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:55:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:07,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:07,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:07,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:55:07,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:07,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 00:55:07,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:07,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:07,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:55:07,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:55:07,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:55:07,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:55:07,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:55:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:07,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:07,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:07,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 00:55:07,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:07,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 00:55:07,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:07,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:07,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:55:07,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:55:07,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:55:07,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:55:07,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 00:55:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:07,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:07,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:07,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 00:55:07,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:07,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 00:55:07,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:07,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:07,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:55:07,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:55:07,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 00:55:07,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 00:55:07,754 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-14 00:55:07,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [261487569] [2020-10-14 00:55:07,755 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:55:07,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:55:07,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590929120] [2020-10-14 00:55:07,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:55:07,757 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:55:07,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:55:07,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:55:07,758 INFO L87 Difference]: Start difference. First operand 1758 states and 2444 transitions. Second operand 5 states. [2020-10-14 00:55:07,900 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 00:55:10,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:55:10,314 INFO L93 Difference]: Finished difference Result 4361 states and 6185 transitions. [2020-10-14 00:55:10,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:55:10,315 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 231 [2020-10-14 00:55:10,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:55:10,332 INFO L225 Difference]: With dead ends: 4361 [2020-10-14 00:55:10,333 INFO L226 Difference]: Without dead ends: 2609 [2020-10-14 00:55:10,338 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:55:10,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2609 states. [2020-10-14 00:55:10,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2609 to 1742. [2020-10-14 00:55:10,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1742 states. [2020-10-14 00:55:10,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 2421 transitions. [2020-10-14 00:55:10,416 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 2421 transitions. Word has length 231 [2020-10-14 00:55:10,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:55:10,417 INFO L479 AbstractCegarLoop]: Abstraction has 1742 states and 2421 transitions. [2020-10-14 00:55:10,417 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:55:10,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2421 transitions. [2020-10-14 00:55:10,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-14 00:55:10,424 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:55:10,424 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:55:10,424 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 00:55:10,425 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:55:10,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:55:10,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1401334381, now seen corresponding path program 1 times [2020-10-14 00:55:10,425 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:55:10,426 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1177441450] [2020-10-14 00:55:10,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:55:10,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:10,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:10,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:12,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:14,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:15,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:15,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-14 00:55:15,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:55:15,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4896 [2020-10-14 00:55:15,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:15,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:15,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:55:15,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-14 00:55:15,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 188 [2020-10-14 00:55:15,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:15,577 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:55:15,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:55:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:15,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:15,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:15,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:55:15,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:15,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 00:55:15,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:15,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:15,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:55:15,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:55:15,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:55:15,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:55:15,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:55:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:15,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:15,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:15,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 00:55:15,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:15,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 00:55:15,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:15,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:15,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:55:15,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:55:15,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:55:15,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:55:15,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 00:55:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:15,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:15,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:15,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 00:55:15,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:15,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 00:55:15,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:15,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:15,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:55:15,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:55:15,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 00:55:15,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:15,845 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-14 00:55:15,846 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1177441450] [2020-10-14 00:55:15,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:55:15,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:55:15,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644405749] [2020-10-14 00:55:15,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:55:15,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:55:15,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:55:15,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:55:15,848 INFO L87 Difference]: Start difference. First operand 1742 states and 2421 transitions. Second operand 5 states. [2020-10-14 00:55:16,096 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:55:18,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:55:18,775 INFO L93 Difference]: Finished difference Result 5175 states and 7353 transitions. [2020-10-14 00:55:18,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:55:18,777 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 232 [2020-10-14 00:55:18,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:55:18,798 INFO L225 Difference]: With dead ends: 5175 [2020-10-14 00:55:18,798 INFO L226 Difference]: Without dead ends: 3439 [2020-10-14 00:55:18,805 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:55:18,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3439 states. [2020-10-14 00:55:18,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3439 to 3416. [2020-10-14 00:55:18,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3416 states. [2020-10-14 00:55:18,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3416 states to 3416 states and 4752 transitions. [2020-10-14 00:55:18,926 INFO L78 Accepts]: Start accepts. Automaton has 3416 states and 4752 transitions. Word has length 232 [2020-10-14 00:55:18,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:55:18,927 INFO L479 AbstractCegarLoop]: Abstraction has 3416 states and 4752 transitions. [2020-10-14 00:55:18,927 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:55:18,927 INFO L276 IsEmpty]: Start isEmpty. Operand 3416 states and 4752 transitions. [2020-10-14 00:55:18,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-10-14 00:55:18,944 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:55:18,944 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:55:18,945 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 00:55:18,945 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:55:18,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:55:18,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1218596642, now seen corresponding path program 1 times [2020-10-14 00:55:18,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:55:18,946 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [83828537] [2020-10-14 00:55:18,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:55:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:19,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:19,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:20,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:20,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:21,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:24,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:24,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-10-14 00:55:24,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 00:55:24,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5048 [2020-10-14 00:55:24,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:24,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:24,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:55:24,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-14 00:55:24,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 00:55:24,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:55:24,295 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:55:24,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:55:24,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:24,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:24,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:24,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:55:24,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:24,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 00:55:24,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:24,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:24,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:55:24,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:55:24,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:55:24,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:24,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:55:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:24,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:24,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:24,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 00:55:24,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:24,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 00:55:24,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:24,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:24,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:55:24,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:55:24,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 00:55:24,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:55:24,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 00:55:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:24,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:24,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:24,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 00:55:24,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:24,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-14 00:55:24,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:24,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:24,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:55:24,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 00:55:24,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 00:55:24,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:55:24,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 00:55:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:24,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:24,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:24,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 00:55:24,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:24,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-14 00:55:24,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:24,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:24,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:55:24,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-14 00:55:24,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:55:24,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:55:24,863 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 67 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-14 00:55:24,863 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [83828537] [2020-10-14 00:55:24,865 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:55:24,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 00:55:24,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117821133] [2020-10-14 00:55:24,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 00:55:24,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:55:24,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 00:55:24,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:55:24,868 INFO L87 Difference]: Start difference. First operand 3416 states and 4752 transitions. Second operand 7 states. [2020-10-14 00:55:25,360 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-14 00:55:26,128 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:55:28,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:55:28,828 INFO L93 Difference]: Finished difference Result 8701 states and 13527 transitions. [2020-10-14 00:55:28,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 00:55:28,829 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 252 [2020-10-14 00:55:28,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:55:28,864 INFO L225 Difference]: With dead ends: 8701 [2020-10-14 00:55:28,865 INFO L226 Difference]: Without dead ends: 5291 [2020-10-14 00:55:28,877 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-14 00:55:28,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5291 states. [2020-10-14 00:55:29,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5291 to 5152. [2020-10-14 00:55:29,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5152 states. [2020-10-14 00:55:29,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5152 states to 5152 states and 7235 transitions. [2020-10-14 00:55:29,087 INFO L78 Accepts]: Start accepts. Automaton has 5152 states and 7235 transitions. Word has length 252 [2020-10-14 00:55:29,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:55:29,087 INFO L479 AbstractCegarLoop]: Abstraction has 5152 states and 7235 transitions. [2020-10-14 00:55:29,087 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 00:55:29,087 INFO L276 IsEmpty]: Start isEmpty. Operand 5152 states and 7235 transitions. [2020-10-14 00:55:29,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-10-14 00:55:29,106 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:55:29,106 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:55:29,106 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 00:55:29,107 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:55:29,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:55:29,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1374492139, now seen corresponding path program 1 times [2020-10-14 00:55:29,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:55:29,109 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [42085726] [2020-10-14 00:55:29,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:55:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:29,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:29,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:31,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:32,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:33,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:34,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:34,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-10-14 00:55:34,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 00:55:34,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-14 00:55:34,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:34,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:34,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 00:55:34,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-14 00:55:34,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 224 [2020-10-14 00:55:34,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:55:34,485 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:55:34,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:55:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:34,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:34,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:34,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:55:34,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:34,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 00:55:34,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:34,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:34,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:55:34,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:55:34,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:55:34,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:55:34,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:55:34,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:34,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:34,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:34,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 00:55:34,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:34,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 00:55:34,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:34,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:34,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:55:34,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:55:34,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:55:34,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:34,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 00:55:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:34,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:34,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:34,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 00:55:34,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:34,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 00:55:34,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:34,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:34,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:55:34,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:55:34,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 00:55:34,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:55:34,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 00:55:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:34,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:34,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:34,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 00:55:34,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:34,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-14 00:55:34,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:34,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:34,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:55:34,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 00:55:34,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 00:55:34,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:34,883 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 78 proven. 32 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-14 00:55:34,884 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [42085726] [2020-10-14 00:55:34,884 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:55:34,884 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 00:55:34,884 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123316154] [2020-10-14 00:55:34,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 00:55:34,885 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:55:34,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 00:55:34,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:55:34,886 INFO L87 Difference]: Start difference. First operand 5152 states and 7235 transitions. Second operand 7 states. [2020-10-14 00:55:35,154 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:55:38,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:55:38,463 INFO L93 Difference]: Finished difference Result 15032 states and 22149 transitions. [2020-10-14 00:55:38,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 00:55:38,465 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 267 [2020-10-14 00:55:38,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:55:38,532 INFO L225 Difference]: With dead ends: 15032 [2020-10-14 00:55:38,533 INFO L226 Difference]: Without dead ends: 9886 [2020-10-14 00:55:38,548 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 00:55:38,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9886 states. [2020-10-14 00:55:38,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9886 to 9803. [2020-10-14 00:55:38,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9803 states. [2020-10-14 00:55:38,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9803 states to 9803 states and 13989 transitions. [2020-10-14 00:55:38,910 INFO L78 Accepts]: Start accepts. Automaton has 9803 states and 13989 transitions. Word has length 267 [2020-10-14 00:55:38,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:55:38,911 INFO L479 AbstractCegarLoop]: Abstraction has 9803 states and 13989 transitions. [2020-10-14 00:55:38,911 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 00:55:38,911 INFO L276 IsEmpty]: Start isEmpty. Operand 9803 states and 13989 transitions. [2020-10-14 00:55:38,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2020-10-14 00:55:38,949 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:55:38,949 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:55:38,949 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 00:55:38,949 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:55:38,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:55:38,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1705853447, now seen corresponding path program 1 times [2020-10-14 00:55:38,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:55:38,955 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1661035879] [2020-10-14 00:55:38,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:55:39,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:39,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:39,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:39,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:40,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:41,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:43,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:44,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:44,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 303 [2020-10-14 00:55:44,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 00:55:44,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-14 00:55:44,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:44,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:44,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:55:44,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-14 00:55:44,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-14 00:55:44,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:55:44,248 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:55:44,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:55:44,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:44,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:44,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:44,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:55:44,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:44,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 00:55:44,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:44,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:44,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:55:44,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:55:44,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:55:44,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:44,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:55:44,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:44,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:44,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:44,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 00:55:44,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:44,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 00:55:44,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:44,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:44,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:55:44,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:55:44,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:55:44,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:44,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 00:55:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:44,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:44,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:44,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 00:55:44,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:44,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 00:55:44,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:44,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:44,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:55:44,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:55:44,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 00:55:44,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:44,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 00:55:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:44,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:44,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:44,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-14 00:55:44,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:44,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-14 00:55:44,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:44,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:44,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:55:44,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 00:55:44,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-14 00:55:44,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:55:44,857 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 133 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-14 00:55:44,858 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1661035879] [2020-10-14 00:55:44,858 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:55:44,858 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 00:55:44,859 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921323842] [2020-10-14 00:55:44,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 00:55:44,859 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:55:44,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 00:55:44,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:55:44,860 INFO L87 Difference]: Start difference. First operand 9803 states and 13989 transitions. Second operand 7 states. [2020-10-14 00:55:45,575 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-14 00:55:46,047 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 00:55:49,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:55:49,644 INFO L93 Difference]: Finished difference Result 24893 states and 42216 transitions. [2020-10-14 00:55:49,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 00:55:49,645 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 289 [2020-10-14 00:55:49,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:55:49,793 INFO L225 Difference]: With dead ends: 24893 [2020-10-14 00:55:49,794 INFO L226 Difference]: Without dead ends: 15096 [2020-10-14 00:55:49,835 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 00:55:49,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15096 states. [2020-10-14 00:55:50,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15096 to 14536. [2020-10-14 00:55:50,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14536 states. [2020-10-14 00:55:50,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14536 states to 14536 states and 20856 transitions. [2020-10-14 00:55:50,510 INFO L78 Accepts]: Start accepts. Automaton has 14536 states and 20856 transitions. Word has length 289 [2020-10-14 00:55:50,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:55:50,511 INFO L479 AbstractCegarLoop]: Abstraction has 14536 states and 20856 transitions. [2020-10-14 00:55:50,511 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 00:55:50,511 INFO L276 IsEmpty]: Start isEmpty. Operand 14536 states and 20856 transitions. [2020-10-14 00:55:50,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-10-14 00:55:50,568 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:55:50,569 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:55:50,569 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 00:55:50,569 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:55:50,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:55:50,570 INFO L82 PathProgramCache]: Analyzing trace with hash -425223709, now seen corresponding path program 1 times [2020-10-14 00:55:50,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:55:50,570 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1094832099] [2020-10-14 00:55:50,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:55:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:50,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:50,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:51,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:54,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:54,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:55,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:55,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 304 [2020-10-14 00:55:55,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 00:55:55,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-14 00:55:55,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:55,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:55,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:55:55,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 113 [2020-10-14 00:55:55,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-10-14 00:55:55,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:55,890 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:55:55,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:55:55,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:55,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:55,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:55,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:55:55,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:55,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 00:55:55,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:55,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:55,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:55:55,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:55:55,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:55:55,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:55,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:55:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:55,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:56,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:56,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 00:55:56,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:56,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 00:55:56,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:56,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:56,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:55:56,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:55:56,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:55:56,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:56,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 00:55:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:56,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:56,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:56,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 00:55:56,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:56,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 00:55:56,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:56,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:56,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:55:56,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:55:56,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:55:56,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:56,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 00:55:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:56,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:56,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:56,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-14 00:55:56,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:56,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 00:55:56,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:56,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:56,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:55:56,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:55:56,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-14 00:55:56,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:56,201 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 93 proven. 3 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-10-14 00:55:56,201 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1094832099] [2020-10-14 00:55:56,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:55:56,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:55:56,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932633834] [2020-10-14 00:55:56,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:55:56,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:55:56,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:55:56,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:55:56,203 INFO L87 Difference]: Start difference. First operand 14536 states and 20856 transitions. Second operand 5 states. [2020-10-14 00:55:56,437 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:55:59,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:55:59,231 INFO L93 Difference]: Finished difference Result 39745 states and 57733 transitions. [2020-10-14 00:55:59,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:55:59,232 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 290 [2020-10-14 00:55:59,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:55:59,326 INFO L225 Difference]: With dead ends: 39745 [2020-10-14 00:55:59,326 INFO L226 Difference]: Without dead ends: 25215 [2020-10-14 00:55:59,364 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:55:59,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25215 states. [2020-10-14 00:55:59,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25215 to 25205. [2020-10-14 00:55:59,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25205 states. [2020-10-14 00:56:00,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25205 states to 25205 states and 35871 transitions. [2020-10-14 00:56:00,039 INFO L78 Accepts]: Start accepts. Automaton has 25205 states and 35871 transitions. Word has length 290 [2020-10-14 00:56:00,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:56:00,040 INFO L479 AbstractCegarLoop]: Abstraction has 25205 states and 35871 transitions. [2020-10-14 00:56:00,040 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:56:00,041 INFO L276 IsEmpty]: Start isEmpty. Operand 25205 states and 35871 transitions. [2020-10-14 00:56:00,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2020-10-14 00:56:00,116 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:56:00,117 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:56:00,117 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 00:56:00,117 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:56:00,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:56:00,118 INFO L82 PathProgramCache]: Analyzing trace with hash 418699485, now seen corresponding path program 1 times [2020-10-14 00:56:00,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:56:00,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1779719596] [2020-10-14 00:56:00,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:56:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:56:00,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:56:00,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:56:00,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:56:00,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:56:00,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:56:05,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:56:05,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 307 [2020-10-14 00:56:05,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 00:56:05,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 00:56:05,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:56:05,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:56:05,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:56:05,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-14 00:56:05,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-14 00:56:05,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:56:05,352 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:56:05,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:56:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:56:05,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:56:05,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:56:05,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:56:05,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:56:05,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 00:56:05,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:56:05,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:56:05,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:56:05,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:56:05,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:56:05,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:56:05,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:56:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:56:05,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:56:05,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:56:05,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 00:56:05,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:56:05,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 00:56:05,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:56:05,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:56:05,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:56:05,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:56:05,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 00:56:05,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:56:05,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 00:56:05,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:56:05,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:56:05,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:56:05,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 00:56:05,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:56:05,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-14 00:56:05,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:56:05,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:56:05,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:56:05,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 00:56:05,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 00:56:05,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:56:05,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 00:56:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:56:05,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:56:05,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:56:05,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 00:56:05,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:56:05,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 00:56:05,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:56:05,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:56:05,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:56:05,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-14 00:56:05,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:56:05,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:56:05,907 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 121 proven. 33 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-14 00:56:05,908 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1779719596] [2020-10-14 00:56:05,908 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:56:05,908 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 00:56:05,908 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339129238] [2020-10-14 00:56:05,909 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 00:56:05,909 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:56:05,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 00:56:05,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:56:05,910 INFO L87 Difference]: Start difference. First operand 25205 states and 35871 transitions. Second operand 7 states. [2020-10-14 00:56:06,075 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:56:09,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:56:09,470 INFO L93 Difference]: Finished difference Result 72596 states and 104217 transitions. [2020-10-14 00:56:09,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 00:56:09,471 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 293 [2020-10-14 00:56:09,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:56:09,680 INFO L225 Difference]: With dead ends: 72596 [2020-10-14 00:56:09,681 INFO L226 Difference]: Without dead ends: 47397 [2020-10-14 00:56:09,743 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-14 00:56:09,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47397 states. [2020-10-14 00:56:10,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47397 to 47391. [2020-10-14 00:56:10,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47391 states. [2020-10-14 00:56:10,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47391 states to 47391 states and 68139 transitions. [2020-10-14 00:56:10,830 INFO L78 Accepts]: Start accepts. Automaton has 47391 states and 68139 transitions. Word has length 293 [2020-10-14 00:56:10,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:56:10,830 INFO L479 AbstractCegarLoop]: Abstraction has 47391 states and 68139 transitions. [2020-10-14 00:56:10,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 00:56:10,831 INFO L276 IsEmpty]: Start isEmpty. Operand 47391 states and 68139 transitions. [2020-10-14 00:56:10,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2020-10-14 00:56:10,918 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:56:10,918 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:56:10,918 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 00:56:10,918 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:56:10,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:56:10,919 INFO L82 PathProgramCache]: Analyzing trace with hash -80702478, now seen corresponding path program 1 times [2020-10-14 00:56:10,919 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:56:10,919 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1452581164] [2020-10-14 00:56:10,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:56:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:56:12,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:56:12,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:56:14,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:56:14,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:56:17,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:56:17,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 330 [2020-10-14 00:56:17,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:56:17,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-14 00:56:17,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:56:17,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:56:17,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:56:17,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 00:56:17,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-14 00:56:17,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:56:17,458 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:56:17,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:56:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:56:17,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:56:17,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:56:17,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:56:17,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:56:17,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 00:56:17,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:56:17,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:56:17,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:56:17,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:56:17,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:56:17,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:56:17,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:56:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:56:17,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:56:17,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:56:17,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 00:56:17,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:56:17,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 00:56:17,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:56:17,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:56:17,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:56:17,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:56:17,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 00:56:17,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:56:17,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 00:56:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:56:17,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:56:17,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:56:17,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-14 00:56:17,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:56:17,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-10-14 00:56:17,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:56:17,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:56:17,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:56:17,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 00:56:17,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-14 00:56:17,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:56:18,014 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 152 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 00:56:18,014 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1452581164] [2020-10-14 00:56:18,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:56:18,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 00:56:18,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224128186] [2020-10-14 00:56:18,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 00:56:18,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:56:18,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 00:56:18,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:56:18,016 INFO L87 Difference]: Start difference. First operand 47391 states and 68139 transitions. Second operand 7 states. [2020-10-14 00:56:18,295 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 00:56:18,714 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-14 00:56:23,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:56:23,175 INFO L93 Difference]: Finished difference Result 102964 states and 159088 transitions. [2020-10-14 00:56:23,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 00:56:23,176 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 318 [2020-10-14 00:56:23,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:56:23,520 INFO L225 Difference]: With dead ends: 102964 [2020-10-14 00:56:23,520 INFO L226 Difference]: Without dead ends: 55579 [2020-10-14 00:56:23,614 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 00:56:23,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55579 states. [2020-10-14 00:56:25,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55579 to 54444. [2020-10-14 00:56:25,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54444 states. [2020-10-14 00:56:25,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54444 states to 54444 states and 76180 transitions. [2020-10-14 00:56:25,387 INFO L78 Accepts]: Start accepts. Automaton has 54444 states and 76180 transitions. Word has length 318 [2020-10-14 00:56:25,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:56:25,387 INFO L479 AbstractCegarLoop]: Abstraction has 54444 states and 76180 transitions. [2020-10-14 00:56:25,387 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 00:56:25,387 INFO L276 IsEmpty]: Start isEmpty. Operand 54444 states and 76180 transitions. [2020-10-14 00:56:25,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2020-10-14 00:56:25,492 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:56:25,492 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:56:25,492 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 00:56:25,493 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:56:25,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:56:25,493 INFO L82 PathProgramCache]: Analyzing trace with hash -752527506, now seen corresponding path program 1 times [2020-10-14 00:56:25,493 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:56:25,494 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [232582352] [2020-10-14 00:56:25,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:56:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:56:25,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:56:25,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:56:25,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:56:29,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:56:29,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 332 [2020-10-14 00:56:29,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:56:29,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3761 [2020-10-14 00:56:29,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:56:29,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:56:29,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:56:29,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-14 00:56:29,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-14 00:56:29,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:56:29,494 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:56:29,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:56:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:56:29,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:56:29,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:56:29,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:56:29,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:56:29,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 00:56:29,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:56:29,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:56:29,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:56:29,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:56:29,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:56:29,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:56:29,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:56:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:56:29,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:56:29,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:56:29,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 00:56:29,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:56:29,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 00:56:29,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:56:29,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:56:29,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:56:29,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:56:29,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 00:56:29,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:56:29,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 00:56:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:56:29,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:56:29,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:56:29,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-14 00:56:29,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:56:29,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-10-14 00:56:29,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:56:29,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:56:29,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:56:29,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 00:56:29,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-14 00:56:29,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:56:30,064 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 156 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 00:56:30,064 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [232582352] [2020-10-14 00:56:30,065 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:56:30,065 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 00:56:30,065 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784820127] [2020-10-14 00:56:30,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 00:56:30,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:56:30,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 00:56:30,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:56:30,072 INFO L87 Difference]: Start difference. First operand 54444 states and 76180 transitions. Second operand 7 states. [2020-10-14 00:56:30,245 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 00:56:32,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:56:32,186 INFO L93 Difference]: Finished difference Result 96651 states and 134222 transitions. [2020-10-14 00:56:32,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:56:32,188 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 320 [2020-10-14 00:56:32,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:56:32,189 INFO L225 Difference]: With dead ends: 96651 [2020-10-14 00:56:32,189 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 00:56:32,396 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-14 00:56:32,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 00:56:32,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 00:56:32,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 00:56:32,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 00:56:32,398 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 320 [2020-10-14 00:56:32,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:56:32,398 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 00:56:32,399 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 00:56:32,399 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 00:56:32,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 00:56:32,399 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 00:56:32,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 00:56:32,978 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 136 [2020-10-14 00:56:38,992 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 1297 DAG size of output: 308 [2020-10-14 00:56:40,836 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 1297 DAG size of output: 308 [2020-10-14 00:56:41,119 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 101 [2020-10-14 00:56:46,801 WARN L193 SmtUtils]: Spent 5.61 s on a formula simplification. DAG size of input: 588 DAG size of output: 138 [2020-10-14 00:56:46,939 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:56:48,347 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 288 DAG size of output: 59 [2020-10-14 00:56:49,763 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 288 DAG size of output: 59 [2020-10-14 00:56:49,767 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 00:56:49,768 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a26~0 |old(~a26~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a18~0 |old(~a18~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a0~0 |old(~a0~0)|) (= ~a9~0 |old(~a9~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a5~0 |old(~a5~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a16~0 |old(~a16~0)|) (= ~y~0 |old(~y~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a2~0 |old(~a2~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~a22~0 |old(~a22~0)|) (= ~d~0 |old(~d~0)|) (= ~v~0 |old(~v~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a27~0 |old(~a27~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-14 00:56:49,768 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 00:56:49,768 INFO L268 CegarLoopResult]: For program point L498(lines 498 511) no Hoare annotation was computed. [2020-10-14 00:56:49,768 INFO L268 CegarLoopResult]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2020-10-14 00:56:49,768 INFO L268 CegarLoopResult]: For program point L1423(lines 1423 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,768 INFO L268 CegarLoopResult]: For program point L366(lines 366 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,769 INFO L268 CegarLoopResult]: For program point L1622-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,769 INFO L268 CegarLoopResult]: For program point L1556-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,769 INFO L268 CegarLoopResult]: For program point L1490-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,769 INFO L268 CegarLoopResult]: For program point L301(lines 301 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,771 INFO L268 CegarLoopResult]: For program point L1226(lines 1226 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,771 INFO L268 CegarLoopResult]: For program point L1623(line 1623) no Hoare annotation was computed. [2020-10-14 00:56:49,772 INFO L268 CegarLoopResult]: For program point L566(lines 566 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,772 INFO L268 CegarLoopResult]: For program point L1557(line 1557) no Hoare annotation was computed. [2020-10-14 00:56:49,772 INFO L268 CegarLoopResult]: For program point L1491(line 1491) no Hoare annotation was computed. [2020-10-14 00:56:49,772 INFO L268 CegarLoopResult]: For program point L434(lines 434 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,772 INFO L268 CegarLoopResult]: For program point L1359(lines 1359 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,772 INFO L268 CegarLoopResult]: For program point L1095(lines 1095 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,773 INFO L268 CegarLoopResult]: For program point L633(lines 633 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,773 INFO L268 CegarLoopResult]: For program point L1360(lines 1360 1379) no Hoare annotation was computed. [2020-10-14 00:56:49,773 INFO L268 CegarLoopResult]: For program point L1360-2(lines 1360 1379) no Hoare annotation was computed. [2020-10-14 00:56:49,773 INFO L268 CegarLoopResult]: For program point L1162(lines 1162 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,773 INFO L268 CegarLoopResult]: For program point L105(lines 105 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,773 INFO L268 CegarLoopResult]: For program point L1625-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,773 INFO L268 CegarLoopResult]: For program point L1559-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,773 INFO L268 CegarLoopResult]: For program point L1493-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,774 INFO L268 CegarLoopResult]: For program point L238(lines 238 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,774 INFO L268 CegarLoopResult]: For program point L172(lines 172 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,774 INFO L268 CegarLoopResult]: For program point L1031(lines 1031 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,774 INFO L268 CegarLoopResult]: For program point L899(lines 899 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,774 INFO L268 CegarLoopResult]: For program point L701(lines 701 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,774 INFO L268 CegarLoopResult]: For program point L1626(line 1626) no Hoare annotation was computed. [2020-10-14 00:56:49,774 INFO L268 CegarLoopResult]: For program point L1560(line 1560) no Hoare annotation was computed. [2020-10-14 00:56:49,774 INFO L268 CegarLoopResult]: For program point L1494(line 1494) no Hoare annotation was computed. [2020-10-14 00:56:49,774 INFO L268 CegarLoopResult]: For program point L966(lines 966 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,775 INFO L268 CegarLoopResult]: For program point L769(lines 769 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,775 INFO L268 CegarLoopResult]: For program point L1628-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,775 INFO L268 CegarLoopResult]: For program point L1562-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,775 INFO L268 CegarLoopResult]: For program point L1496-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,775 INFO L268 CegarLoopResult]: For program point L836(lines 836 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,775 INFO L268 CegarLoopResult]: For program point L1629(line 1629) no Hoare annotation was computed. [2020-10-14 00:56:49,775 INFO L268 CegarLoopResult]: For program point L1563(line 1563) no Hoare annotation was computed. [2020-10-14 00:56:49,775 INFO L268 CegarLoopResult]: For program point L1497(line 1497) no Hoare annotation was computed. [2020-10-14 00:56:49,776 INFO L268 CegarLoopResult]: For program point L441(lines 441 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,776 INFO L268 CegarLoopResult]: For program point L1432(lines 1432 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,776 INFO L268 CegarLoopResult]: For program point L574(lines 574 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,776 INFO L268 CegarLoopResult]: For program point L1631-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,776 INFO L268 CegarLoopResult]: For program point L1565-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,776 INFO L268 CegarLoopResult]: For program point L1499-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,776 INFO L268 CegarLoopResult]: For program point L1632(line 1632) no Hoare annotation was computed. [2020-10-14 00:56:49,776 INFO L268 CegarLoopResult]: For program point L1566(line 1566) no Hoare annotation was computed. [2020-10-14 00:56:49,776 INFO L268 CegarLoopResult]: For program point L1500(line 1500) no Hoare annotation was computed. [2020-10-14 00:56:49,776 INFO L268 CegarLoopResult]: For program point L377(lines 377 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,777 INFO L268 CegarLoopResult]: For program point L1104(lines 1104 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,777 INFO L268 CegarLoopResult]: For program point L1038(lines 1038 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,777 INFO L268 CegarLoopResult]: For program point L378(lines 378 395) no Hoare annotation was computed. [2020-10-14 00:56:49,777 INFO L268 CegarLoopResult]: For program point L312(lines 312 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,777 INFO L268 CegarLoopResult]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2020-10-14 00:56:49,777 INFO L268 CegarLoopResult]: For program point L1237(lines 1237 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,777 INFO L268 CegarLoopResult]: For program point L114(lines 114 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,777 INFO L268 CegarLoopResult]: For program point L1039(lines 1039 1059) no Hoare annotation was computed. [2020-10-14 00:56:49,777 INFO L268 CegarLoopResult]: For program point L1039-2(lines 1039 1059) no Hoare annotation was computed. [2020-10-14 00:56:49,777 INFO L268 CegarLoopResult]: For program point L907(lines 907 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,778 INFO L268 CegarLoopResult]: For program point L709(lines 709 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,778 INFO L268 CegarLoopResult]: For program point L643(lines 643 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,779 INFO L268 CegarLoopResult]: For program point L1634-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,779 INFO L268 CegarLoopResult]: For program point L1568-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,780 INFO L268 CegarLoopResult]: For program point L1502-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,780 INFO L268 CegarLoopResult]: For program point L181(lines 181 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,780 INFO L268 CegarLoopResult]: For program point L710(lines 710 731) no Hoare annotation was computed. [2020-10-14 00:56:49,780 INFO L268 CegarLoopResult]: For program point L710-2(lines 710 731) no Hoare annotation was computed. [2020-10-14 00:56:49,780 INFO L268 CegarLoopResult]: For program point L1635(line 1635) no Hoare annotation was computed. [2020-10-14 00:56:49,780 INFO L268 CegarLoopResult]: For program point L1569(line 1569) no Hoare annotation was computed. [2020-10-14 00:56:49,780 INFO L268 CegarLoopResult]: For program point L1503(line 1503) no Hoare annotation was computed. [2020-10-14 00:56:49,780 INFO L268 CegarLoopResult]: For program point L1305(lines 1305 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,780 INFO L268 CegarLoopResult]: For program point L248(lines 248 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,780 INFO L268 CegarLoopResult]: For program point L1173(lines 1173 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,781 INFO L268 CegarLoopResult]: For program point L975(lines 975 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,781 INFO L268 CegarLoopResult]: For program point L777(lines 777 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,781 INFO L268 CegarLoopResult]: For program point L513(lines 513 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,781 INFO L268 CegarLoopResult]: For program point L844(lines 844 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,781 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,781 INFO L268 CegarLoopResult]: For program point L1637-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,781 INFO L268 CegarLoopResult]: For program point L1571-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,781 INFO L268 CegarLoopResult]: For program point L1505-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,781 INFO L268 CegarLoopResult]: For program point L1638(line 1638) no Hoare annotation was computed. [2020-10-14 00:56:49,781 INFO L268 CegarLoopResult]: For program point L1572(line 1572) no Hoare annotation was computed. [2020-10-14 00:56:49,782 INFO L268 CegarLoopResult]: For program point L1506(line 1506) no Hoare annotation was computed. [2020-10-14 00:56:49,782 INFO L268 CegarLoopResult]: For program point L450(lines 450 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,782 INFO L268 CegarLoopResult]: For program point L583(lines 583 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,782 INFO L268 CegarLoopResult]: For program point L1640-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,782 INFO L268 CegarLoopResult]: For program point L1574-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,782 INFO L268 CegarLoopResult]: For program point L1508-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,782 INFO L268 CegarLoopResult]: For program point L1442(lines 1442 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,782 INFO L268 CegarLoopResult]: For program point L319(lines 319 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,782 INFO L268 CegarLoopResult]: For program point L1112(lines 1112 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,782 INFO L268 CegarLoopResult]: For program point L55(lines 55 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,783 INFO L268 CegarLoopResult]: For program point L1641(line 1641) no Hoare annotation was computed. [2020-10-14 00:56:49,783 INFO L268 CegarLoopResult]: For program point L1575(line 1575) no Hoare annotation was computed. [2020-10-14 00:56:49,783 INFO L268 CegarLoopResult]: For program point L1509(line 1509) no Hoare annotation was computed. [2020-10-14 00:56:49,783 INFO L268 CegarLoopResult]: For program point L56(lines 56 71) no Hoare annotation was computed. [2020-10-14 00:56:49,783 INFO L268 CegarLoopResult]: For program point L56-2(lines 56 71) no Hoare annotation was computed. [2020-10-14 00:56:49,783 INFO L268 CegarLoopResult]: For program point L784(lines 784 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,783 INFO L268 CegarLoopResult]: For program point L1643-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,783 INFO L268 CegarLoopResult]: For program point L1577-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,783 INFO L268 CegarLoopResult]: For program point L1511-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,784 INFO L268 CegarLoopResult]: For program point L1313(lines 1313 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,784 INFO L268 CegarLoopResult]: For program point L983(lines 983 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,784 INFO L268 CegarLoopResult]: For program point L917(lines 917 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,784 INFO L268 CegarLoopResult]: For program point L653(lines 653 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,784 INFO L268 CegarLoopResult]: For program point L1644(line 1644) no Hoare annotation was computed. [2020-10-14 00:56:49,784 INFO L268 CegarLoopResult]: For program point L1578(line 1578) no Hoare annotation was computed. [2020-10-14 00:56:49,784 INFO L268 CegarLoopResult]: For program point L1512(line 1512) no Hoare annotation was computed. [2020-10-14 00:56:49,784 INFO L268 CegarLoopResult]: For program point L257(lines 257 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,784 INFO L268 CegarLoopResult]: For program point L191(lines 191 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,784 INFO L268 CegarLoopResult]: For program point L1182(lines 1182 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,785 INFO L268 CegarLoopResult]: For program point L918(lines 918 935) no Hoare annotation was computed. [2020-10-14 00:56:49,785 INFO L268 CegarLoopResult]: For program point L918-2(lines 918 935) no Hoare annotation was computed. [2020-10-14 00:56:49,785 INFO L268 CegarLoopResult]: For program point L522(lines 522 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,785 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 54 1650) the Hoare annotation is: (let ((.cse43 (= 2 ~a3~0)) (.cse42 (= ~a26~0 |old(~a26~0)|)) (.cse8 (= ~a28~0 |old(~a28~0)|)) (.cse9 (= ~a21~0 |old(~a21~0)|)) (.cse10 (= ~a6~0 |old(~a6~0)|)) (.cse11 (= ~a8~0 |old(~a8~0)|)) (.cse12 (= ~a29~0 |old(~a29~0)|)) (.cse13 (= ~a1~0 |old(~a1~0)|)) (.cse14 (= ~a19~0 |old(~a19~0)|)) (.cse15 (= ~a3~0 |old(~a3~0)|)) (.cse16 (= ~a0~0 |old(~a0~0)|)) (.cse17 (= ~a9~0 |old(~a9~0)|)) (.cse18 (= ~a7~0 |old(~a7~0)|)) (.cse19 (= ~a11~0 |old(~a11~0)|)) (.cse20 (= ~a5~0 |old(~a5~0)|)) (.cse21 (= ~a26~0 1)) (.cse22 (= ~a16~0 |old(~a16~0)|)) (.cse23 (= ~a4~0 |old(~a4~0)|)) (.cse24 (= ~a2~0 |old(~a2~0)|)) (.cse25 (= ~a17~0 |old(~a17~0)|)) (.cse26 (= ~a14~0 |old(~a14~0)|)) (.cse27 (= ~a25~0 |old(~a25~0)|)) (.cse28 (= ~a23~0 |old(~a23~0)|)) (.cse29 (= ~a12~0 |old(~a12~0)|)) (.cse39 (= ~a15~0 |old(~a15~0)|)) (.cse30 (= ~a13~0 |old(~a13~0)|)) (.cse31 (= ~a24~0 |old(~a24~0)|)) (.cse32 (= ~a20~0 |old(~a20~0)|)) (.cse33 (= ~a22~0 |old(~a22~0)|)) (.cse35 (= ~a10~0 |old(~a10~0)|)) (.cse36 (= ~a27~0 |old(~a27~0)|))) (let ((.cse3 (not (= |old(~a26~0)| 1))) (.cse4 (and .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse39 .cse30 .cse31 .cse32 .cse33 .cse35 .cse36)) (.cse0 (and .cse8 .cse42 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse39 .cse30 .cse31 .cse32 .cse33 .cse35 .cse36)) (.cse6 (not (= |old(~a6~0)| 0))) (.cse7 (not (= |old(~a15~0)| 1))) (.cse34 (= ~a15~0 1)) (.cse5 (not (= |old(~a11~0)| 1))) (.cse40 (not (= 2 |old(~a3~0)|))) (.cse41 (and .cse8 .cse42 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse16 .cse17 .cse18 .cse19 .cse20 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse43 .cse29 .cse39 .cse30 .cse31 .cse32 .cse33 .cse35 .cse36)) (.cse44 (= |old(~a12~0)| 1)) (.cse1 (not (<= |old(~a5~0)| 1))) (.cse38 (= ~a5~0 ~a6~0)) (.cse37 (not (= |old(~a5~0)| |old(~a6~0)|))) (.cse2 (not (<= 1 |old(~a5~0)|)))) (and (or (not (= 0 |old(~a27~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4 .cse2 .cse5 .cse6) (or .cse7 .cse3 .cse1 (and .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36) .cse2 .cse5) (or .cse3 .cse1 .cse37 .cse2 (and .cse8 .cse9 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse38 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse39 .cse30 .cse31 .cse32 .cse33 .cse35 .cse36)) (or .cse40 .cse1 .cse2 .cse41 .cse6) (or (and .cse8 .cse42 .cse9 .cse11 .cse12 .cse13 .cse14 .cse16 .cse17 .cse18 .cse38 .cse19 .cse20 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse43 .cse29 .cse39 .cse30 .cse31 .cse32 .cse33 .cse35 .cse36) .cse40 .cse1 .cse37 .cse2) (or .cse3 (not (= |old(~a27~0)| 1)) .cse1 .cse2 .cse4) (or .cse44 .cse0 .cse1 .cse2 .cse6) (or .cse7 .cse1 (and .cse8 .cse42 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse16 .cse15 .cse17 .cse18 .cse38 .cse19 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36) (not (<= |old(~a17~0)| 0)) .cse37 .cse2 .cse5) (or .cse44 .cse40 .cse1 .cse2 .cse41) (or .cse44 .cse1 (and .cse8 .cse42 .cse9 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse38 .cse18 .cse19 .cse20 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse39 .cse30 .cse31 .cse32 .cse33 .cse35 .cse36) .cse37 .cse2)))) [2020-10-14 00:56:49,786 INFO L268 CegarLoopResult]: For program point L1381(lines 1381 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,786 INFO L268 CegarLoopResult]: For program point L1249(lines 1249 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,786 INFO L268 CegarLoopResult]: For program point L192(lines 192 211) no Hoare annotation was computed. [2020-10-14 00:56:49,786 INFO L268 CegarLoopResult]: For program point L126(lines 126 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,786 INFO L268 CegarLoopResult]: For program point L192-2(lines 192 211) no Hoare annotation was computed. [2020-10-14 00:56:49,786 INFO L268 CegarLoopResult]: For program point L853(lines 853 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,786 INFO L268 CegarLoopResult]: For program point L1646-1(lines 1646 1648) no Hoare annotation was computed. [2020-10-14 00:56:49,787 INFO L268 CegarLoopResult]: For program point L1580-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,787 INFO L268 CegarLoopResult]: For program point L1514-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,787 INFO L268 CegarLoopResult]: For program point L1382(lines 1382 1400) no Hoare annotation was computed. [2020-10-14 00:56:49,787 INFO L268 CegarLoopResult]: For program point L1382-2(lines 1382 1400) no Hoare annotation was computed. [2020-10-14 00:56:49,787 INFO L268 CegarLoopResult]: For program point L1250(lines 1250 1272) no Hoare annotation was computed. [2020-10-14 00:56:49,787 INFO L268 CegarLoopResult]: For program point L1250-2(lines 1250 1272) no Hoare annotation was computed. [2020-10-14 00:56:49,787 INFO L268 CegarLoopResult]: For program point L1647(line 1647) no Hoare annotation was computed. [2020-10-14 00:56:49,787 INFO L268 CegarLoopResult]: For program point L1581(line 1581) no Hoare annotation was computed. [2020-10-14 00:56:49,787 INFO L268 CegarLoopResult]: For program point L1515(line 1515) no Hoare annotation was computed. [2020-10-14 00:56:49,787 INFO L268 CegarLoopResult]: For program point L458(lines 458 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,788 INFO L268 CegarLoopResult]: For program point L1120(lines 1120 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,788 INFO L268 CegarLoopResult]: For program point L658(lines 658 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,788 INFO L268 CegarLoopResult]: For program point L592(lines 592 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,788 INFO L268 CegarLoopResult]: For program point L1583-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,788 INFO L268 CegarLoopResult]: For program point L1517-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,788 INFO L268 CegarLoopResult]: For program point L1584(line 1584) no Hoare annotation was computed. [2020-10-14 00:56:49,788 INFO L268 CegarLoopResult]: For program point L1518(line 1518) no Hoare annotation was computed. [2020-10-14 00:56:49,788 INFO L268 CegarLoopResult]: For program point L1452(lines 1452 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,788 INFO L268 CegarLoopResult]: For program point L329(lines 329 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,788 INFO L268 CegarLoopResult]: For program point L1321(lines 1321 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,789 INFO L268 CegarLoopResult]: For program point L529(lines 529 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,789 INFO L268 CegarLoopResult]: For program point L1586-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,789 INFO L268 CegarLoopResult]: For program point L1520-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,789 INFO L268 CegarLoopResult]: For program point L397(lines 397 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,789 INFO L268 CegarLoopResult]: For program point L265(lines 265 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,789 INFO L268 CegarLoopResult]: For program point L1190(lines 1190 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,789 INFO L268 CegarLoopResult]: For program point L1587(line 1587) no Hoare annotation was computed. [2020-10-14 00:56:49,789 INFO L268 CegarLoopResult]: For program point L1521(line 1521) no Hoare annotation was computed. [2020-10-14 00:56:49,789 INFO L268 CegarLoopResult]: For program point L795(lines 795 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,789 INFO L268 CegarLoopResult]: For program point L135(lines 135 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,790 INFO L268 CegarLoopResult]: For program point L994(lines 994 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,790 INFO L268 CegarLoopResult]: For program point L1589-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,790 INFO L268 CegarLoopResult]: For program point L1523-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,790 INFO L268 CegarLoopResult]: For program point L1127(lines 1127 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,790 INFO L268 CegarLoopResult]: For program point L1061(lines 1061 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,790 INFO L268 CegarLoopResult]: For program point L863(lines 863 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,790 INFO L268 CegarLoopResult]: For program point L665(lines 665 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,790 INFO L268 CegarLoopResult]: For program point L1590(line 1590) no Hoare annotation was computed. [2020-10-14 00:56:49,790 INFO L268 CegarLoopResult]: For program point L1524(line 1524) no Hoare annotation was computed. [2020-10-14 00:56:49,790 INFO L268 CegarLoopResult]: For program point L467(lines 467 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,791 INFO L268 CegarLoopResult]: For program point L1326(lines 1326 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,791 INFO L268 CegarLoopResult]: For program point L468(lines 468 478) no Hoare annotation was computed. [2020-10-14 00:56:49,791 INFO L268 CegarLoopResult]: For program point L468-2(lines 468 478) no Hoare annotation was computed. [2020-10-14 00:56:49,791 INFO L268 CegarLoopResult]: For program point L733(lines 733 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,791 INFO L268 CegarLoopResult]: For program point L1592-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,791 INFO L268 CegarLoopResult]: For program point L1526-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,791 INFO L268 CegarLoopResult]: For program point L1460(lines 1460 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,791 INFO L268 CegarLoopResult]: For program point L73(lines 73 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,792 INFO L268 CegarLoopResult]: For program point L1593(line 1593) no Hoare annotation was computed. [2020-10-14 00:56:49,792 INFO L268 CegarLoopResult]: For program point L1527(line 1527) no Hoare annotation was computed. [2020-10-14 00:56:49,792 INFO L268 CegarLoopResult]: For program point L603(lines 603 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,792 INFO L268 CegarLoopResult]: For program point L405(lines 405 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,792 INFO L268 CegarLoopResult]: For program point L339(lines 339 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,792 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1584) no Hoare annotation was computed. [2020-10-14 00:56:49,792 INFO L268 CegarLoopResult]: For program point L1132(lines 1132 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,793 INFO L268 CegarLoopResult]: For program point L1066(lines 1066 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,793 INFO L268 CegarLoopResult]: For program point L868(lines 868 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,793 INFO L268 CegarLoopResult]: For program point L1595-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,793 INFO L268 CegarLoopResult]: For program point L1529-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,793 INFO L268 CegarLoopResult]: For program point L869(lines 869 887) no Hoare annotation was computed. [2020-10-14 00:56:49,793 INFO L268 CegarLoopResult]: For program point L869-2(lines 869 887) no Hoare annotation was computed. [2020-10-14 00:56:49,793 INFO L268 CegarLoopResult]: For program point L1596(line 1596) no Hoare annotation was computed. [2020-10-14 00:56:49,793 INFO L268 CegarLoopResult]: For program point L539(lines 539 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,793 INFO L268 CegarLoopResult]: For program point L1530(line 1530) no Hoare annotation was computed. [2020-10-14 00:56:49,794 INFO L268 CegarLoopResult]: For program point L1200(lines 1200 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,794 INFO L268 CegarLoopResult]: For program point L804(lines 804 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,794 INFO L268 CegarLoopResult]: For program point L276(lines 276 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,794 INFO L268 CegarLoopResult]: For program point L1003(lines 1003 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,795 INFO L268 CegarLoopResult]: For program point L937(lines 937 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,795 INFO L268 CegarLoopResult]: For program point L1598-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,796 INFO L268 CegarLoopResult]: For program point L1532-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,796 INFO L268 CegarLoopResult]: For program point L1466(lines 1466 1468) no Hoare annotation was computed. [2020-10-14 00:56:49,796 INFO L268 CegarLoopResult]: For program point L1466-2(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,796 INFO L268 CegarLoopResult]: For program point L1599(line 1599) no Hoare annotation was computed. [2020-10-14 00:56:49,796 INFO L268 CegarLoopResult]: For program point L1533(line 1533) no Hoare annotation was computed. [2020-10-14 00:56:49,796 INFO L268 CegarLoopResult]: For program point L1467(line 1467) no Hoare annotation was computed. [2020-10-14 00:56:49,796 INFO L268 CegarLoopResult]: For program point L146(lines 146 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,796 INFO L268 CegarLoopResult]: For program point L675(lines 675 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,796 INFO L268 CegarLoopResult]: For program point L1402(lines 1402 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,797 INFO L268 CegarLoopResult]: For program point L1336(lines 1336 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,797 INFO L268 CegarLoopResult]: For program point L213(lines 213 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,797 INFO L268 CegarLoopResult]: For program point L1601-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,797 INFO L268 CegarLoopResult]: For program point L1535-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,797 INFO L268 CegarLoopResult]: For program point L1469-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,797 INFO L268 CegarLoopResult]: For program point L1403(lines 1403 1421) no Hoare annotation was computed. [2020-10-14 00:56:49,797 INFO L268 CegarLoopResult]: For program point L1403-2(lines 1403 1421) no Hoare annotation was computed. [2020-10-14 00:56:49,798 INFO L268 CegarLoopResult]: For program point L82(lines 82 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,798 INFO L268 CegarLoopResult]: For program point L743(lines 743 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,798 INFO L268 CegarLoopResult]: For program point L1602(line 1602) no Hoare annotation was computed. [2020-10-14 00:56:49,798 INFO L268 CegarLoopResult]: For program point L1536(line 1536) no Hoare annotation was computed. [2020-10-14 00:56:49,798 INFO L268 CegarLoopResult]: For program point L1470(line 1470) no Hoare annotation was computed. [2020-10-14 00:56:49,798 INFO L268 CegarLoopResult]: For program point L1074(lines 1074 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,798 INFO L268 CegarLoopResult]: For program point L546(lines 546 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,798 INFO L268 CegarLoopResult]: For program point L480(lines 480 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,798 INFO L268 CegarLoopResult]: For program point L414(lines 414 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,798 INFO L268 CegarLoopResult]: For program point L348(lines 348 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,799 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,799 INFO L268 CegarLoopResult]: For program point L1604-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,799 INFO L268 CegarLoopResult]: For program point L1538-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,799 INFO L268 CegarLoopResult]: For program point L1472-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,799 INFO L268 CegarLoopResult]: For program point L1274(lines 1274 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,799 INFO L268 CegarLoopResult]: For program point L1142(lines 1142 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,799 INFO L268 CegarLoopResult]: For program point L614(lines 614 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,799 INFO L268 CegarLoopResult]: For program point L1605(line 1605) no Hoare annotation was computed. [2020-10-14 00:56:49,799 INFO L268 CegarLoopResult]: For program point L1539(line 1539) no Hoare annotation was computed. [2020-10-14 00:56:49,799 INFO L268 CegarLoopResult]: For program point L1473(line 1473) no Hoare annotation was computed. [2020-10-14 00:56:49,800 INFO L268 CegarLoopResult]: For program point L284(lines 284 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,800 INFO L268 CegarLoopResult]: For program point L1011(lines 1011 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,800 INFO L268 CegarLoopResult]: For program point L813(lines 813 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,800 INFO L268 CegarLoopResult]: For program point L1210(lines 1210 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,800 INFO L268 CegarLoopResult]: For program point L1607-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,800 INFO L268 CegarLoopResult]: For program point L1541-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,800 INFO L268 CegarLoopResult]: For program point L1475-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,800 INFO L268 CegarLoopResult]: For program point L1211(lines 1211 1224) no Hoare annotation was computed. [2020-10-14 00:56:49,800 INFO L268 CegarLoopResult]: For program point L1211-2(lines 1211 1224) no Hoare annotation was computed. [2020-10-14 00:56:49,800 INFO L268 CegarLoopResult]: For program point L947(lines 947 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,801 INFO L268 CegarLoopResult]: For program point L1608(line 1608) no Hoare annotation was computed. [2020-10-14 00:56:49,802 INFO L268 CegarLoopResult]: For program point L1542(line 1542) no Hoare annotation was computed. [2020-10-14 00:56:49,802 INFO L268 CegarLoopResult]: For program point L1476(line 1476) no Hoare annotation was computed. [2020-10-14 00:56:49,802 INFO L268 CegarLoopResult]: For program point L1344(lines 1344 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,803 INFO L268 CegarLoopResult]: For program point L155(lines 155 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,803 INFO L268 CegarLoopResult]: For program point L89(lines 89 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,803 INFO L268 CegarLoopResult]: For program point L684(lines 684 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,803 INFO L268 CegarLoopResult]: For program point L222(lines 222 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,803 INFO L268 CegarLoopResult]: For program point L685(lines 685 699) no Hoare annotation was computed. [2020-10-14 00:56:49,803 INFO L268 CegarLoopResult]: For program point L685-2(lines 685 699) no Hoare annotation was computed. [2020-10-14 00:56:49,804 INFO L268 CegarLoopResult]: For program point L1610-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,805 INFO L268 CegarLoopResult]: For program point L1544-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,806 INFO L268 CegarLoopResult]: For program point L1478-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,806 INFO L268 CegarLoopResult]: For program point L1611(line 1611) no Hoare annotation was computed. [2020-10-14 00:56:49,806 INFO L268 CegarLoopResult]: For program point L1545(line 1545) no Hoare annotation was computed. [2020-10-14 00:56:49,806 INFO L268 CegarLoopResult]: For program point L488(lines 488 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,806 INFO L268 CegarLoopResult]: For program point L1479(line 1479) no Hoare annotation was computed. [2020-10-14 00:56:49,806 INFO L268 CegarLoopResult]: For program point L422(lines 422 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,806 INFO L268 CegarLoopResult]: For program point L356(lines 356 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,806 INFO L268 CegarLoopResult]: For program point L753(lines 753 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,806 INFO L268 CegarLoopResult]: For program point L622(lines 622 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,806 INFO L268 CegarLoopResult]: For program point L556(lines 556 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,807 INFO L268 CegarLoopResult]: For program point L1613-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,807 INFO L268 CegarLoopResult]: For program point L1547-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,807 INFO L268 CegarLoopResult]: For program point L1481-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,807 INFO L268 CegarLoopResult]: For program point L292(lines 292 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,807 INFO L268 CegarLoopResult]: For program point L1283(lines 1283 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,807 INFO L268 CegarLoopResult]: For program point L1614(line 1614) no Hoare annotation was computed. [2020-10-14 00:56:49,807 INFO L268 CegarLoopResult]: For program point L1548(line 1548) no Hoare annotation was computed. [2020-10-14 00:56:49,807 INFO L268 CegarLoopResult]: For program point L1482(line 1482) no Hoare annotation was computed. [2020-10-14 00:56:49,807 INFO L268 CegarLoopResult]: For program point L1350(lines 1350 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,807 INFO L268 CegarLoopResult]: For program point L1284(lines 1284 1303) no Hoare annotation was computed. [2020-10-14 00:56:49,807 INFO L268 CegarLoopResult]: For program point L1284-2(lines 1284 1303) no Hoare annotation was computed. [2020-10-14 00:56:49,808 INFO L268 CegarLoopResult]: For program point L1152(lines 1152 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,808 INFO L268 CegarLoopResult]: For program point L95(lines 95 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,808 INFO L268 CegarLoopResult]: For program point L1086(lines 1086 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,808 INFO L268 CegarLoopResult]: For program point L1021(lines 1021 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,808 INFO L268 CegarLoopResult]: For program point L955(lines 955 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,808 INFO L268 CegarLoopResult]: For program point L889(lines 889 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,808 INFO L268 CegarLoopResult]: For program point L1616-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,808 INFO L268 CegarLoopResult]: For program point L1550-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,808 INFO L268 CegarLoopResult]: For program point L1484-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,808 INFO L268 CegarLoopResult]: For program point L1617(line 1617) no Hoare annotation was computed. [2020-10-14 00:56:49,809 INFO L268 CegarLoopResult]: For program point L1551(line 1551) no Hoare annotation was computed. [2020-10-14 00:56:49,809 INFO L268 CegarLoopResult]: For program point L1485(line 1485) no Hoare annotation was computed. [2020-10-14 00:56:49,809 INFO L268 CegarLoopResult]: For program point L164(lines 164 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,809 INFO L268 CegarLoopResult]: For program point L825(lines 825 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,809 INFO L268 CegarLoopResult]: For program point L1619-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,809 INFO L268 CegarLoopResult]: For program point L1553-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,809 INFO L268 CegarLoopResult]: For program point L1487-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:56:49,809 INFO L268 CegarLoopResult]: For program point L761(lines 761 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,809 INFO L268 CegarLoopResult]: For program point L1620(line 1620) no Hoare annotation was computed. [2020-10-14 00:56:49,809 INFO L268 CegarLoopResult]: For program point L1554(line 1554) no Hoare annotation was computed. [2020-10-14 00:56:49,810 INFO L268 CegarLoopResult]: For program point L497(lines 497 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,810 INFO L268 CegarLoopResult]: For program point L1488(line 1488) no Hoare annotation was computed. [2020-10-14 00:56:49,810 INFO L268 CegarLoopResult]: For program point L233(lines 233 1465) no Hoare annotation was computed. [2020-10-14 00:56:49,810 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 00:56:49,810 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a6~0 0) (<= 1 ~a5~0) (<= ~a12~0 0) (<= ~a5~0 1) (= ~a15~0 1)) [2020-10-14 00:56:49,810 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 00:56:49,810 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 00:56:49,810 INFO L268 CegarLoopResult]: For program point L1666-1(line 1666) no Hoare annotation was computed. [2020-10-14 00:56:49,810 INFO L268 CegarLoopResult]: For program point L1663(line 1663) no Hoare annotation was computed. [2020-10-14 00:56:49,811 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1652 1669) the Hoare annotation is: (or (not (<= |old(~a12~0)| 0)) (not (= |old(~a15~0)| 1)) (not (<= |old(~a5~0)| 1)) (not (<= 1 |old(~a5~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a26~0 |old(~a26~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a0~0 |old(~a0~0)|) (= ~a9~0 |old(~a9~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a5~0 |old(~a5~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a2~0 |old(~a2~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a22~0 |old(~a22~0)|) (= ~a15~0 1) (= ~a10~0 |old(~a10~0)|) (= ~a27~0 |old(~a27~0)|)) (not (= |old(~a6~0)| 0))) [2020-10-14 00:56:49,811 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1652 1669) no Hoare annotation was computed. [2020-10-14 00:56:49,811 INFO L264 CegarLoopResult]: At program point L1658-2(lines 1658 1668) the Hoare annotation is: (let ((.cse6 (= ~a15~0 1)) (.cse5 (= ~a11~0 1)) (.cse3 (= 2 ~a3~0)) (.cse0 (= ~a6~0 0)) (.cse8 (not (= ~a12~0 1))) (.cse1 (<= 1 ~a5~0)) (.cse4 (= ~a5~0 ~a6~0)) (.cse2 (<= ~a5~0 1)) (.cse7 (= ~a26~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2 .cse3) (and .cse1 .cse4 .cse2 (<= ~a17~0 0) .cse5 .cse6) (and .cse1 .cse2 .cse7 .cse6 .cse5) (and .cse0 .cse1 .cse2 .cse7 .cse5) (not (<= |old(~a5~0)| 1)) (and .cse1 .cse2 .cse8 .cse3) (not (<= 1 |old(~a5~0)|)) (and .cse1 (= ~a27~0 1) .cse2 .cse7) (not (= |old(~a6~0)| 0)) (not (<= |old(~a12~0)| 0)) (and .cse0 .cse1 .cse2 .cse8) (and .cse4 .cse1 .cse2 .cse8) (not (= |old(~a15~0)| 1)) (and .cse1 .cse2 (= ~a27~0 0)) (and .cse1 .cse4 .cse2 .cse7))) [2020-10-14 00:56:49,811 INFO L268 CegarLoopResult]: For program point L1658-3(lines 1652 1669) no Hoare annotation was computed. [2020-10-14 00:56:49,811 INFO L264 CegarLoopResult]: At program point L1666(line 1666) the Hoare annotation is: (let ((.cse6 (= ~a15~0 1)) (.cse5 (= ~a11~0 1)) (.cse3 (= 2 ~a3~0)) (.cse0 (= ~a6~0 0)) (.cse8 (not (= ~a12~0 1))) (.cse1 (<= 1 ~a5~0)) (.cse4 (= ~a5~0 ~a6~0)) (.cse2 (<= ~a5~0 1)) (.cse7 (= ~a26~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2 .cse3) (and .cse1 .cse4 .cse2 (<= ~a17~0 0) .cse5 .cse6) (and .cse1 .cse2 .cse7 .cse6 .cse5) (and .cse0 .cse1 .cse2 .cse7 .cse5) (not (<= |old(~a5~0)| 1)) (and .cse1 .cse2 .cse8 .cse3) (not (<= 1 |old(~a5~0)|)) (and .cse1 (= ~a27~0 1) .cse2 .cse7) (not (= |old(~a6~0)| 0)) (not (<= |old(~a12~0)| 0)) (and .cse0 .cse1 .cse2 .cse8) (and .cse4 .cse1 .cse2 .cse8) (not (= |old(~a15~0)| 1)) (and .cse1 .cse2 (= ~a27~0 0)) (and .cse1 .cse4 .cse2 .cse7))) [2020-10-14 00:56:49,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 12:56:49 BoogieIcfgContainer [2020-10-14 00:56:49,857 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 00:56:49,858 INFO L168 Benchmark]: Toolchain (without parser) took 135741.59 ms. Allocated memory was 149.9 MB in the beginning and 2.4 GB in the end (delta: 2.3 GB). Free memory was 101.0 MB in the beginning and 500.7 MB in the end (delta: -399.7 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2020-10-14 00:56:49,859 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 149.9 MB. Free memory was 124.5 MB in the beginning and 124.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-14 00:56:49,859 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1440.36 ms. Allocated memory was 149.9 MB in the beginning and 242.2 MB in the end (delta: 92.3 MB). Free memory was 100.8 MB in the beginning and 189.2 MB in the end (delta: -88.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 7.1 GB. [2020-10-14 00:56:49,861 INFO L168 Benchmark]: Boogie Preprocessor took 202.96 ms. Allocated memory is still 242.2 MB. Free memory was 189.2 MB in the beginning and 178.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2020-10-14 00:56:49,863 INFO L168 Benchmark]: RCFGBuilder took 2222.12 ms. Allocated memory was 242.2 MB in the beginning and 256.9 MB in the end (delta: 14.7 MB). Free memory was 178.2 MB in the beginning and 177.5 MB in the end (delta: 627.4 kB). Peak memory consumption was 97.0 MB. Max. memory is 7.1 GB. [2020-10-14 00:56:49,865 INFO L168 Benchmark]: TraceAbstraction took 131871.03 ms. Allocated memory was 256.9 MB in the beginning and 2.4 GB in the end (delta: 2.2 GB). Free memory was 175.7 MB in the beginning and 500.7 MB in the end (delta: -325.1 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2020-10-14 00:56:49,870 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 149.9 MB. Free memory was 124.5 MB in the beginning and 124.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1440.36 ms. Allocated memory was 149.9 MB in the beginning and 242.2 MB in the end (delta: 92.3 MB). Free memory was 100.8 MB in the beginning and 189.2 MB in the end (delta: -88.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 202.96 ms. Allocated memory is still 242.2 MB. Free memory was 189.2 MB in the beginning and 178.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2222.12 ms. Allocated memory was 242.2 MB in the beginning and 256.9 MB in the end (delta: 14.7 MB). Free memory was 178.2 MB in the beginning and 177.5 MB in the end (delta: 627.4 kB). Peak memory consumption was 97.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 131871.03 ms. Allocated memory was 256.9 MB in the beginning and 2.4 GB in the end (delta: 2.2 GB). Free memory was 175.7 MB in the beginning and 500.7 MB in the end (delta: -325.1 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1584]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1658]: Loop Invariant Derived loop invariant: (((((((((((((((((a6 == 0 && 1 <= a5) && a5 <= 1) && 2 == a3) || (((1 <= a5 && a5 == a6) && a5 <= 1) && 2 == a3)) || (((((1 <= a5 && a5 == a6) && a5 <= 1) && a17 <= 0) && a11 == 1) && a15 == 1)) || ((((1 <= a5 && a5 <= 1) && a26 == 1) && a15 == 1) && a11 == 1)) || ((((a6 == 0 && 1 <= a5) && a5 <= 1) && a26 == 1) && a11 == 1)) || !(\old(a5) <= 1)) || (((1 <= a5 && a5 <= 1) && !(a12 == 1)) && 2 == a3)) || !(1 <= \old(a5))) || (((1 <= a5 && a27 == 1) && a5 <= 1) && a26 == 1)) || !(\old(a6) == 0)) || !(\old(a12) <= 0)) || (((a6 == 0 && 1 <= a5) && a5 <= 1) && !(a12 == 1))) || (((a5 == a6 && 1 <= a5) && a5 <= 1) && !(a12 == 1))) || !(\old(a15) == 1)) || ((1 <= a5 && a5 <= 1) && a27 == 0)) || (((1 <= a5 && a5 == a6) && a5 <= 1) && a26 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 311 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 114.3s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 42.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 586 SDtfs, 6524 SDslu, 803 SDs, 0 SdLazy, 18187 SolverSat, 2879 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 29.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 177 GetRequests, 105 SyntacticMatches, 2 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 5.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54444occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 2845 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 983 PreInvPairs, 1401 NumberOfFragments, 1770 HoareAnnotationTreeSize, 983 FomulaSimplifications, 11301810 FormulaSimplificationTreeSizeReduction, 8.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 84507 FormulaSimplificationTreeSizeReductionInter, 8.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 61.9s InterpolantComputationTime, 3085 NumberOfCodeBlocks, 3085 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 3073 ConstructedInterpolants, 0 QuantifiedInterpolants, 3501635 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 1039/1135 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...