/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label16.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 20:52:06,722 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 20:52:06,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 20:52:06,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 20:52:06,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 20:52:06,776 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 20:52:06,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 20:52:06,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 20:52:06,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 20:52:06,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 20:52:06,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 20:52:06,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 20:52:06,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 20:52:06,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 20:52:06,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 20:52:06,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 20:52:06,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 20:52:06,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 20:52:06,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 20:52:06,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 20:52:06,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 20:52:06,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 20:52:06,815 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 20:52:06,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 20:52:06,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 20:52:06,828 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 20:52:06,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 20:52:06,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 20:52:06,833 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 20:52:06,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 20:52:06,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 20:52:06,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 20:52:06,839 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 20:52:06,840 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 20:52:06,841 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 20:52:06,841 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 20:52:06,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 20:52:06,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 20:52:06,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 20:52:06,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 20:52:06,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 20:52:06,845 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 20:52:06,873 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 20:52:06,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 20:52:06,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 20:52:06,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 20:52:06,875 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 20:52:06,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 20:52:06,875 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 20:52:06,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 20:52:06,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 20:52:06,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 20:52:06,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 20:52:06,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 20:52:06,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 20:52:06,877 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 20:52:06,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 20:52:06,877 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 20:52:06,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 20:52:06,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 20:52:06,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 20:52:06,878 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 20:52:06,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 20:52:06,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 20:52:06,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 20:52:06,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 20:52:06,879 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 20:52:06,879 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 20:52:06,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 20:52:06,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 20:52:06,880 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 20:52:06,880 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 20:52:07,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 20:52:07,203 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 20:52:07,209 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 20:52:07,211 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 20:52:07,211 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 20:52:07,212 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label16.c [2020-10-14 20:52:07,274 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6514c3483/b2f1d0599cc44b8586db4cec10d15e19/FLAG23b242d58 [2020-10-14 20:52:07,900 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 20:52:07,901 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label16.c [2020-10-14 20:52:07,916 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6514c3483/b2f1d0599cc44b8586db4cec10d15e19/FLAG23b242d58 [2020-10-14 20:52:08,141 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6514c3483/b2f1d0599cc44b8586db4cec10d15e19 [2020-10-14 20:52:08,150 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 20:52:08,152 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 20:52:08,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 20:52:08,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 20:52:08,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 20:52:08,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:52:08" (1/1) ... [2020-10-14 20:52:08,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6cae7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:08, skipping insertion in model container [2020-10-14 20:52:08,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:52:08" (1/1) ... [2020-10-14 20:52:08,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 20:52:08,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 20:52:08,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:52:08,799 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 20:52:08,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:52:08,931 INFO L208 MainTranslator]: Completed translation [2020-10-14 20:52:08,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:08 WrapperNode [2020-10-14 20:52:08,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 20:52:08,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 20:52:08,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 20:52:08,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 20:52:08,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:08" (1/1) ... [2020-10-14 20:52:08,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:08" (1/1) ... [2020-10-14 20:52:08,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:08" (1/1) ... [2020-10-14 20:52:08,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:08" (1/1) ... [2020-10-14 20:52:09,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:08" (1/1) ... [2020-10-14 20:52:09,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:08" (1/1) ... [2020-10-14 20:52:09,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:08" (1/1) ... [2020-10-14 20:52:09,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 20:52:09,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 20:52:09,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 20:52:09,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 20:52:09,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:08" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 20:52:09,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 20:52:09,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 20:52:09,149 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 20:52:09,149 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 20:52:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 20:52:09,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 20:52:09,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 20:52:09,151 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 20:52:09,151 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 20:52:09,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 20:52:09,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 20:52:10,427 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 20:52:10,428 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 20:52:10,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:52:10 BoogieIcfgContainer [2020-10-14 20:52:10,435 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 20:52:10,437 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 20:52:10,437 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 20:52:10,440 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 20:52:10,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:52:08" (1/3) ... [2020-10-14 20:52:10,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f6f761e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:52:10, skipping insertion in model container [2020-10-14 20:52:10,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:08" (2/3) ... [2020-10-14 20:52:10,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f6f761e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:52:10, skipping insertion in model container [2020-10-14 20:52:10,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:52:10" (3/3) ... [2020-10-14 20:52:10,445 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label16.c [2020-10-14 20:52:10,458 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 20:52:10,468 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 20:52:10,483 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 20:52:10,511 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 20:52:10,512 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 20:52:10,512 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 20:52:10,512 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 20:52:10,512 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 20:52:10,512 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 20:52:10,513 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 20:52:10,513 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 20:52:10,540 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-14 20:52:10,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-14 20:52:10,550 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:10,551 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] [2020-10-14 20:52:10,552 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:10,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:10,558 INFO L82 PathProgramCache]: Analyzing trace with hash -369766826, now seen corresponding path program 1 times [2020-10-14 20:52:10,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:10,568 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1376036846] [2020-10-14 20:52:10,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:10,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:11,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:11,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-14 20:52:11,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:11,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 348 [2020-10-14 20:52:11,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:11,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:11,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:52:11,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:52:11,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-14 20:52:11,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 20:52:11,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:11,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:11,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:11,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:11,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:11,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 20:52:11,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:11,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:11,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:11,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:11,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:52:11,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:11,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:52:11,229 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1376036846] [2020-10-14 20:52:11,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:52:11,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 20:52:11,232 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358929922] [2020-10-14 20:52:11,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:52:11,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:11,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:52:11,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:52:11,256 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-10-14 20:52:12,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:12,736 INFO L93 Difference]: Finished difference Result 581 states and 1006 transitions. [2020-10-14 20:52:12,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:52:12,738 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2020-10-14 20:52:12,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:12,755 INFO L225 Difference]: With dead ends: 581 [2020-10-14 20:52:12,755 INFO L226 Difference]: Without dead ends: 302 [2020-10-14 20:52:12,762 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:52:12,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-14 20:52:12,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2020-10-14 20:52:12,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-14 20:52:12,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 395 transitions. [2020-10-14 20:52:12,844 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 395 transitions. Word has length 39 [2020-10-14 20:52:12,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:12,844 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 395 transitions. [2020-10-14 20:52:12,844 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:52:12,845 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 395 transitions. [2020-10-14 20:52:12,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-14 20:52:12,853 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:12,853 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:52:12,854 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 20:52:12,854 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:12,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:12,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1137849714, now seen corresponding path program 1 times [2020-10-14 20:52:12,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:12,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [129514315] [2020-10-14 20:52:12,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:12,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:12,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:12,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:13,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:13,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 20:52:13,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:52:13,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 788 [2020-10-14 20:52:13,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:13,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:13,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 20:52:13,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:52:13,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 20:52:13,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 20:52:13,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:13,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:13,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:13,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:13,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:13,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 20:52:13,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:13,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:13,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:13,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:13,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:52:13,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:13,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:13,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:13,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:13,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:13,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:52:13,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:52:13,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-14 20:52:13,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:13,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:13,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:13,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:13,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:52:13,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:13,986 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 20:52:13,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [129514315] [2020-10-14 20:52:13,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:13,988 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 20:52:13,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411820715] [2020-10-14 20:52:13,990 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 20:52:13,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:13,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 20:52:13,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:52:13,991 INFO L87 Difference]: Start difference. First operand 298 states and 395 transitions. Second operand 6 states. [2020-10-14 20:52:15,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:15,723 INFO L93 Difference]: Finished difference Result 884 states and 1201 transitions. [2020-10-14 20:52:15,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 20:52:15,724 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2020-10-14 20:52:15,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:15,732 INFO L225 Difference]: With dead ends: 884 [2020-10-14 20:52:15,732 INFO L226 Difference]: Without dead ends: 882 [2020-10-14 20:52:15,734 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:52:15,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2020-10-14 20:52:15,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 590. [2020-10-14 20:52:15,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-10-14 20:52:15,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 850 transitions. [2020-10-14 20:52:15,790 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 850 transitions. Word has length 109 [2020-10-14 20:52:15,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:15,791 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 850 transitions. [2020-10-14 20:52:15,791 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 20:52:15,791 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 850 transitions. [2020-10-14 20:52:15,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-10-14 20:52:15,799 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:15,799 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:52:15,799 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 20:52:15,800 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:15,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:15,800 INFO L82 PathProgramCache]: Analyzing trace with hash -718868499, now seen corresponding path program 1 times [2020-10-14 20:52:15,801 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:15,801 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [334581423] [2020-10-14 20:52:15,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:15,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:16,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:16,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:17,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:17,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-14 20:52:17,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:52:17,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1662 [2020-10-14 20:52:17,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:17,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:17,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:17,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 20:52:17,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 20:52:17,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:17,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:17,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:17,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:17,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:17,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:17,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:17,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:52:17,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:17,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:17,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:17,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:17,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:17,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:17,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:17,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:17,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:17,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:52:17,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:17,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 20:52:17,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:17,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:17,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:17,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:17,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:52:17,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:17,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 20:52:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:17,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:18,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:18,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 20:52:18,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:18,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 286 [2020-10-14 20:52:18,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:18,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:18,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:18,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:18,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 20:52:18,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:18,236 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 131 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:52:18,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [334581423] [2020-10-14 20:52:18,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:18,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:52:18,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512753720] [2020-10-14 20:52:18,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:52:18,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:18,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:52:18,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:52:18,241 INFO L87 Difference]: Start difference. First operand 590 states and 850 transitions. Second operand 7 states. [2020-10-14 20:52:19,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:19,671 INFO L93 Difference]: Finished difference Result 1492 states and 2230 transitions. [2020-10-14 20:52:19,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:52:19,672 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 228 [2020-10-14 20:52:19,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:19,683 INFO L225 Difference]: With dead ends: 1492 [2020-10-14 20:52:19,684 INFO L226 Difference]: Without dead ends: 908 [2020-10-14 20:52:19,686 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:52:19,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2020-10-14 20:52:19,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 747. [2020-10-14 20:52:19,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 747 states. [2020-10-14 20:52:19,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1060 transitions. [2020-10-14 20:52:19,734 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1060 transitions. Word has length 228 [2020-10-14 20:52:19,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:19,735 INFO L479 AbstractCegarLoop]: Abstraction has 747 states and 1060 transitions. [2020-10-14 20:52:19,735 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:52:19,735 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1060 transitions. [2020-10-14 20:52:19,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-14 20:52:19,743 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:19,744 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:52:19,744 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 20:52:19,744 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:19,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:19,745 INFO L82 PathProgramCache]: Analyzing trace with hash -1529206823, now seen corresponding path program 1 times [2020-10-14 20:52:19,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:19,746 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [662857960] [2020-10-14 20:52:19,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:19,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:19,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:19,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:20,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:21,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:22,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:22,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-14 20:52:22,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:52:22,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3130 [2020-10-14 20:52:22,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:22,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:22,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 20:52:22,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:52:22,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 203 [2020-10-14 20:52:22,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:23,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:23,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:23,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:23,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:23,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:23,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 20:52:23,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:23,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:23,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:23,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:23,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:52:23,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:23,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:23,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:23,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:23,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:23,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:52:23,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:52:23,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-14 20:52:23,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:23,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:23,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:23,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:23,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:52:23,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:23,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 20:52:23,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:23,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:23,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:23,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 20:52:23,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:23,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-10-14 20:52:23,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:23,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:23,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:23,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:23,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-14 20:52:23,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:23,639 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 128 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 20:52:23,640 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [662857960] [2020-10-14 20:52:23,640 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:23,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:52:23,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304747675] [2020-10-14 20:52:23,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:52:23,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:23,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:52:23,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:52:23,643 INFO L87 Difference]: Start difference. First operand 747 states and 1060 transitions. Second operand 8 states. [2020-10-14 20:52:25,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:25,148 INFO L93 Difference]: Finished difference Result 1818 states and 2647 transitions. [2020-10-14 20:52:25,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:52:25,151 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 234 [2020-10-14 20:52:25,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:25,161 INFO L225 Difference]: With dead ends: 1818 [2020-10-14 20:52:25,162 INFO L226 Difference]: Without dead ends: 1077 [2020-10-14 20:52:25,169 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-14 20:52:25,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2020-10-14 20:52:25,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 1049. [2020-10-14 20:52:25,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1049 states. [2020-10-14 20:52:25,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 1049 states and 1343 transitions. [2020-10-14 20:52:25,234 INFO L78 Accepts]: Start accepts. Automaton has 1049 states and 1343 transitions. Word has length 234 [2020-10-14 20:52:25,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:25,235 INFO L479 AbstractCegarLoop]: Abstraction has 1049 states and 1343 transitions. [2020-10-14 20:52:25,235 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:52:25,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1343 transitions. [2020-10-14 20:52:25,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-10-14 20:52:25,243 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:25,243 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:52:25,243 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 20:52:25,244 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:25,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:25,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1126359062, now seen corresponding path program 1 times [2020-10-14 20:52:25,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:25,245 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [329512234] [2020-10-14 20:52:25,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:25,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:25,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:25,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:28,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:30,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:30,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-10-14 20:52:30,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:52:30,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 20:52:30,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:30,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:30,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:30,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-14 20:52:30,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 20:52:30,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:30,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:30,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:30,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:30,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:30,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:30,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 20:52:30,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:30,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:30,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:30,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:30,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:30,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 20:52:30,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:30,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:30,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:30,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 20:52:30,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:30,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-14 20:52:30,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:30,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:30,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:30,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:30,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-14 20:52:30,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 20:52:30,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 20:52:30,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:30,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:30,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:30,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 20:52:30,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:30,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-10-14 20:52:30,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:30,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:30,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:30,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:30,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 20:52:30,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:31,042 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 138 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:52:31,043 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [329512234] [2020-10-14 20:52:31,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:31,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:52:31,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931333918] [2020-10-14 20:52:31,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:52:31,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:31,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:52:31,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:52:31,046 INFO L87 Difference]: Start difference. First operand 1049 states and 1343 transitions. Second operand 7 states. [2020-10-14 20:52:32,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:32,899 INFO L93 Difference]: Finished difference Result 2601 states and 3559 transitions. [2020-10-14 20:52:32,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:52:32,900 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 235 [2020-10-14 20:52:32,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:32,912 INFO L225 Difference]: With dead ends: 2601 [2020-10-14 20:52:32,912 INFO L226 Difference]: Without dead ends: 1558 [2020-10-14 20:52:32,916 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:52:32,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1558 states. [2020-10-14 20:52:32,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1558 to 1351. [2020-10-14 20:52:32,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1351 states. [2020-10-14 20:52:32,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 1697 transitions. [2020-10-14 20:52:32,977 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 1697 transitions. Word has length 235 [2020-10-14 20:52:32,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:32,977 INFO L479 AbstractCegarLoop]: Abstraction has 1351 states and 1697 transitions. [2020-10-14 20:52:32,977 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:52:32,978 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1697 transitions. [2020-10-14 20:52:32,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-10-14 20:52:32,983 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:32,983 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:52:32,983 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 20:52:32,983 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:32,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:32,984 INFO L82 PathProgramCache]: Analyzing trace with hash 176941878, now seen corresponding path program 1 times [2020-10-14 20:52:32,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:32,984 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2082058467] [2020-10-14 20:52:32,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:33,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:33,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:34,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:35,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:35,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-14 20:52:35,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:52:35,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2899 [2020-10-14 20:52:35,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:35,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:35,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:52:35,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:52:35,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 20:52:35,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:35,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:35,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:35,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:35,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:35,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:35,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 20:52:35,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:35,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:35,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:35,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:35,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:52:35,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:36,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:36,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:36,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:36,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 20:52:36,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:36,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-14 20:52:36,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:36,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:36,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:36,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:36,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-14 20:52:36,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:36,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-14 20:52:36,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:36,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:36,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:36,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 20:52:36,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:36,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-14 20:52:36,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:36,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:36,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:36,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-14 20:52:36,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:36,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:36,534 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 64 proven. 82 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 20:52:36,534 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2082058467] [2020-10-14 20:52:36,537 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:36,537 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:52:36,538 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526553246] [2020-10-14 20:52:36,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:52:36,538 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:36,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:52:36,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:52:36,539 INFO L87 Difference]: Start difference. First operand 1351 states and 1697 transitions. Second operand 7 states. [2020-10-14 20:52:37,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:37,743 INFO L93 Difference]: Finished difference Result 3010 states and 3767 transitions. [2020-10-14 20:52:37,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:52:37,743 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 245 [2020-10-14 20:52:37,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:37,753 INFO L225 Difference]: With dead ends: 3010 [2020-10-14 20:52:37,753 INFO L226 Difference]: Without dead ends: 1665 [2020-10-14 20:52:37,757 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:52:37,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1665 states. [2020-10-14 20:52:37,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1665 to 1496. [2020-10-14 20:52:37,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1496 states. [2020-10-14 20:52:37,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1496 states and 1851 transitions. [2020-10-14 20:52:37,803 INFO L78 Accepts]: Start accepts. Automaton has 1496 states and 1851 transitions. Word has length 245 [2020-10-14 20:52:37,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:37,804 INFO L479 AbstractCegarLoop]: Abstraction has 1496 states and 1851 transitions. [2020-10-14 20:52:37,804 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:52:37,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 1851 transitions. [2020-10-14 20:52:37,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2020-10-14 20:52:37,812 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:37,812 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:52:37,813 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 20:52:37,813 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:37,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:37,813 INFO L82 PathProgramCache]: Analyzing trace with hash 504035289, now seen corresponding path program 1 times [2020-10-14 20:52:37,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:37,814 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1456771273] [2020-10-14 20:52:37,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:37,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:37,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:37,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:38,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:38,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:39,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:41,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:41,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 320 [2020-10-14 20:52:41,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 20:52:41,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3297 [2020-10-14 20:52:41,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:41,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:41,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:52:41,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 20:52:41,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 202 [2020-10-14 20:52:41,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:41,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:41,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:41,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:41,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:41,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:41,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:52:41,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:41,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:41,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:41,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:41,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:41,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:41,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:41,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:41,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:41,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:52:41,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:41,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-14 20:52:41,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:41,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:41,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:41,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:41,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:52:41,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:41,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 20:52:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:41,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:41,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:41,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:41,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 20:52:41,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:52:41,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-14 20:52:41,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:41,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:41,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:41,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:41,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 20:52:41,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:41,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-14 20:52:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:41,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:41,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:41,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 20:52:41,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:41,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-10-14 20:52:41,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:41,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:41,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:41,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:41,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-14 20:52:41,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:42,138 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 230 proven. 6 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-14 20:52:42,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1456771273] [2020-10-14 20:52:42,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:42,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:52:42,139 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841150026] [2020-10-14 20:52:42,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:52:42,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:42,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:52:42,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:52:42,141 INFO L87 Difference]: Start difference. First operand 1496 states and 1851 transitions. Second operand 8 states. [2020-10-14 20:52:44,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:44,390 INFO L93 Difference]: Finished difference Result 3165 states and 3957 transitions. [2020-10-14 20:52:44,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 20:52:44,392 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 306 [2020-10-14 20:52:44,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:44,400 INFO L225 Difference]: With dead ends: 3165 [2020-10-14 20:52:44,400 INFO L226 Difference]: Without dead ends: 1675 [2020-10-14 20:52:44,405 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-14 20:52:44,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1675 states. [2020-10-14 20:52:44,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1675 to 1651. [2020-10-14 20:52:44,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1651 states. [2020-10-14 20:52:44,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 1651 states and 1942 transitions. [2020-10-14 20:52:44,457 INFO L78 Accepts]: Start accepts. Automaton has 1651 states and 1942 transitions. Word has length 306 [2020-10-14 20:52:44,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:44,457 INFO L479 AbstractCegarLoop]: Abstraction has 1651 states and 1942 transitions. [2020-10-14 20:52:44,458 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:52:44,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1651 states and 1942 transitions. [2020-10-14 20:52:44,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2020-10-14 20:52:44,466 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:44,467 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:52:44,467 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 20:52:44,467 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:44,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:44,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1372365838, now seen corresponding path program 1 times [2020-10-14 20:52:44,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:44,468 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1973687407] [2020-10-14 20:52:44,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:44,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:44,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:44,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:45,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:45,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:46,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:48,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:48,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 329 [2020-10-14 20:52:48,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 20:52:48,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3832 [2020-10-14 20:52:48,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:48,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:48,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:52:48,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-14 20:52:48,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 202 [2020-10-14 20:52:48,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:48,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:48,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:48,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:48,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:48,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:48,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:48,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:52:48,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:48,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:48,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:48,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:48,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:48,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:48,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:48,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:48,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:48,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:48,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 20:52:48,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:48,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 20:52:48,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:48,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:48,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:48,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:48,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:52:48,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:48,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 20:52:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:48,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:48,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:48,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 20:52:48,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:48,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-14 20:52:48,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:48,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:48,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:48,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:48,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 20:52:48,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:48,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-14 20:52:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:48,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:48,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:48,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 20:52:48,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:48,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-14 20:52:48,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:48,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:48,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:48,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:48,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-14 20:52:48,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:49,054 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 306 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-14 20:52:49,055 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1973687407] [2020-10-14 20:52:49,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:49,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:52:49,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147368955] [2020-10-14 20:52:49,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:52:49,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:49,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:52:49,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:52:49,057 INFO L87 Difference]: Start difference. First operand 1651 states and 1942 transitions. Second operand 8 states. [2020-10-14 20:52:50,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:50,863 INFO L93 Difference]: Finished difference Result 4065 states and 4885 transitions. [2020-10-14 20:52:50,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:52:50,865 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 315 [2020-10-14 20:52:50,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:50,878 INFO L225 Difference]: With dead ends: 4065 [2020-10-14 20:52:50,878 INFO L226 Difference]: Without dead ends: 2420 [2020-10-14 20:52:50,883 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2020-10-14 20:52:50,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2420 states. [2020-10-14 20:52:50,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2420 to 2402. [2020-10-14 20:52:50,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2402 states. [2020-10-14 20:52:50,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2402 states to 2402 states and 2809 transitions. [2020-10-14 20:52:50,954 INFO L78 Accepts]: Start accepts. Automaton has 2402 states and 2809 transitions. Word has length 315 [2020-10-14 20:52:50,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:50,955 INFO L479 AbstractCegarLoop]: Abstraction has 2402 states and 2809 transitions. [2020-10-14 20:52:50,955 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:52:50,956 INFO L276 IsEmpty]: Start isEmpty. Operand 2402 states and 2809 transitions. [2020-10-14 20:52:50,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2020-10-14 20:52:50,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:50,965 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:52:50,966 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 20:52:50,966 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:50,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:50,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1415628455, now seen corresponding path program 1 times [2020-10-14 20:52:50,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:50,967 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1215911600] [2020-10-14 20:52:50,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:51,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:51,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:51,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:51,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:51,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:53,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:53,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 338 [2020-10-14 20:52:53,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 20:52:53,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2399 [2020-10-14 20:52:53,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:53,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:53,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:52:53,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-14 20:52:53,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 211 [2020-10-14 20:52:53,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:53,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:53,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:53,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:53,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:53,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:53,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:52:53,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:53,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:53,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:53,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:53,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:53,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:53,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:53,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:53,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:53,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:53,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 20:52:53,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:53,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 20:52:53,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:53,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:53,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:53,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:53,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:52:53,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:53,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 20:52:53,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:53,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:53,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:53,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:53,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 20:52:53,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:52:53,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-14 20:52:53,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:53,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:53,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:53,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:53,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-14 20:52:53,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:53,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-14 20:52:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:53,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:53,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:53,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 20:52:53,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:53,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-14 20:52:53,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:53,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:53,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:53,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:53,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 20:52:53,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:53,938 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 248 proven. 86 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-14 20:52:53,938 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1215911600] [2020-10-14 20:52:53,939 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:53,939 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:52:53,939 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273110892] [2020-10-14 20:52:53,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:52:53,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:53,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:52:53,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:52:53,941 INFO L87 Difference]: Start difference. First operand 2402 states and 2809 transitions. Second operand 8 states. [2020-10-14 20:52:55,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:55,637 INFO L93 Difference]: Finished difference Result 5607 states and 6778 transitions. [2020-10-14 20:52:55,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:52:55,637 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 324 [2020-10-14 20:52:55,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:55,650 INFO L225 Difference]: With dead ends: 5607 [2020-10-14 20:52:55,651 INFO L226 Difference]: Without dead ends: 2331 [2020-10-14 20:52:55,659 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-10-14 20:52:55,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2331 states. [2020-10-14 20:52:55,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2331 to 2245. [2020-10-14 20:52:55,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2245 states. [2020-10-14 20:52:55,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2245 states to 2245 states and 2589 transitions. [2020-10-14 20:52:55,734 INFO L78 Accepts]: Start accepts. Automaton has 2245 states and 2589 transitions. Word has length 324 [2020-10-14 20:52:55,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:55,734 INFO L479 AbstractCegarLoop]: Abstraction has 2245 states and 2589 transitions. [2020-10-14 20:52:55,735 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:52:55,735 INFO L276 IsEmpty]: Start isEmpty. Operand 2245 states and 2589 transitions. [2020-10-14 20:52:55,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2020-10-14 20:52:55,742 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:55,743 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:52:55,743 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 20:52:55,744 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:55,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:55,745 INFO L82 PathProgramCache]: Analyzing trace with hash 85456097, now seen corresponding path program 1 times [2020-10-14 20:52:55,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:55,745 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [45027802] [2020-10-14 20:52:55,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:55,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:55,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:56,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:56,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:57,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:57,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 374 [2020-10-14 20:52:57,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:52:57,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1531 [2020-10-14 20:52:57,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:57,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:57,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:57,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 20:52:57,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-14 20:52:57,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:57,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:57,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:57,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:57,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:57,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:57,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:57,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:52:57,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:57,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:57,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:57,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:57,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:57,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:57,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:57,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:57,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:57,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:52:57,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:57,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 20:52:57,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:57,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:57,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:57,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:57,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-14 20:52:57,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:57,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:52:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:57,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:57,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:57,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 20:52:57,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:57,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-14 20:52:57,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:57,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:57,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:57,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:57,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-14 20:52:57,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:57,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-14 20:52:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:57,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:57,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:57,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 20:52:57,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:57,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 20:52:57,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:57,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:57,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:57,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-14 20:52:57,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:57,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:57,854 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 184 proven. 86 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-14 20:52:57,854 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [45027802] [2020-10-14 20:52:57,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:57,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:52:57,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806169268] [2020-10-14 20:52:57,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:52:57,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:57,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:52:57,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:52:57,856 INFO L87 Difference]: Start difference. First operand 2245 states and 2589 transitions. Second operand 7 states. [2020-10-14 20:52:59,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:59,369 INFO L93 Difference]: Finished difference Result 4796 states and 5568 transitions. [2020-10-14 20:52:59,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:52:59,369 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 360 [2020-10-14 20:52:59,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:59,382 INFO L225 Difference]: With dead ends: 4796 [2020-10-14 20:52:59,382 INFO L226 Difference]: Without dead ends: 2557 [2020-10-14 20:52:59,389 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:52:59,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2557 states. [2020-10-14 20:52:59,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2557 to 2539. [2020-10-14 20:52:59,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2539 states. [2020-10-14 20:52:59,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2539 states to 2539 states and 2902 transitions. [2020-10-14 20:52:59,449 INFO L78 Accepts]: Start accepts. Automaton has 2539 states and 2902 transitions. Word has length 360 [2020-10-14 20:52:59,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:59,450 INFO L479 AbstractCegarLoop]: Abstraction has 2539 states and 2902 transitions. [2020-10-14 20:52:59,450 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:52:59,450 INFO L276 IsEmpty]: Start isEmpty. Operand 2539 states and 2902 transitions. [2020-10-14 20:52:59,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2020-10-14 20:52:59,457 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:59,457 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:52:59,457 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 20:52:59,458 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:59,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:59,458 INFO L82 PathProgramCache]: Analyzing trace with hash 95899057, now seen corresponding path program 1 times [2020-10-14 20:52:59,458 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:59,459 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [101141520] [2020-10-14 20:52:59,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:59,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:59,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:00,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:00,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 378 [2020-10-14 20:53:00,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:53:00,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 505 [2020-10-14 20:53:00,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:00,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:00,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:00,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 339 [2020-10-14 20:53:00,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-14 20:53:00,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:00,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:00,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:00,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:00,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:00,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:00,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:53:00,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:00,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:00,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:00,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:00,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:00,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:00,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:00,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:00,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:00,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:53:00,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:00,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 20:53:00,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:00,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:00,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:00,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:00,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:00,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:00,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:53:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:00,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:00,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:00,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-14 20:53:00,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:00,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 20:53:00,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:00,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:00,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:00,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:00,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:00,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:00,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-14 20:53:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:00,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:00,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:00,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 20:53:00,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:00,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-14 20:53:00,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:00,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:00,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:00,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:00,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 20:53:00,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:00,380 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 99 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-10-14 20:53:00,381 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [101141520] [2020-10-14 20:53:00,381 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:53:00,381 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 20:53:00,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165366078] [2020-10-14 20:53:00,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 20:53:00,382 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:00,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 20:53:00,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:53:00,383 INFO L87 Difference]: Start difference. First operand 2539 states and 2902 transitions. Second operand 6 states. [2020-10-14 20:53:01,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:01,732 INFO L93 Difference]: Finished difference Result 5791 states and 6710 transitions. [2020-10-14 20:53:01,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:53:01,733 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 364 [2020-10-14 20:53:01,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:01,748 INFO L225 Difference]: With dead ends: 5791 [2020-10-14 20:53:01,749 INFO L226 Difference]: Without dead ends: 3113 [2020-10-14 20:53:01,757 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:53:01,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3113 states. [2020-10-14 20:53:01,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3113 to 3113. [2020-10-14 20:53:01,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3113 states. [2020-10-14 20:53:01,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3113 states to 3113 states and 3562 transitions. [2020-10-14 20:53:01,849 INFO L78 Accepts]: Start accepts. Automaton has 3113 states and 3562 transitions. Word has length 364 [2020-10-14 20:53:01,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:01,850 INFO L479 AbstractCegarLoop]: Abstraction has 3113 states and 3562 transitions. [2020-10-14 20:53:01,850 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 20:53:01,850 INFO L276 IsEmpty]: Start isEmpty. Operand 3113 states and 3562 transitions. [2020-10-14 20:53:01,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2020-10-14 20:53:01,862 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:01,862 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:53:01,863 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 20:53:01,863 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:01,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:01,864 INFO L82 PathProgramCache]: Analyzing trace with hash 1215712722, now seen corresponding path program 1 times [2020-10-14 20:53:01,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:01,864 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [386140144] [2020-10-14 20:53:01,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:02,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:02,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:03,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:03,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 393 [2020-10-14 20:53:03,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:53:03,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1128 [2020-10-14 20:53:03,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:03,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:03,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:03,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 354 [2020-10-14 20:53:03,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-14 20:53:03,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:03,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:03,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:03,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:03,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:03,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:03,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:53:03,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:03,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:03,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:03,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:03,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:03,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:03,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:03,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:03,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:03,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-14 20:53:03,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:03,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-14 20:53:03,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:03,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:03,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:03,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:03,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:03,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:03,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-14 20:53:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:03,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:03,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:03,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 20:53:03,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:03,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 20:53:03,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:03,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:03,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:03,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:03,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:03,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:03,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-14 20:53:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:03,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:03,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:03,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 20:53:03,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:03,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-14 20:53:03,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:03,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:03,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:03,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:03,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-14 20:53:03,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:03,683 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 99 proven. 3 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2020-10-14 20:53:03,683 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [386140144] [2020-10-14 20:53:03,683 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:53:03,684 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:53:03,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2524761] [2020-10-14 20:53:03,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:53:03,685 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:03,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:53:03,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:53:03,686 INFO L87 Difference]: Start difference. First operand 3113 states and 3562 transitions. Second operand 5 states. [2020-10-14 20:53:04,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:04,695 INFO L93 Difference]: Finished difference Result 6222 states and 7175 transitions. [2020-10-14 20:53:04,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:53:04,696 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 379 [2020-10-14 20:53:04,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:04,697 INFO L225 Difference]: With dead ends: 6222 [2020-10-14 20:53:04,698 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 20:53:04,709 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:53:04,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 20:53:04,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 20:53:04,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 20:53:04,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 20:53:04,710 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 379 [2020-10-14 20:53:04,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:04,710 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 20:53:04,710 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:53:04,710 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 20:53:04,710 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 20:53:04,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 20:53:04,713 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 20:53:05,684 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 179 [2020-10-14 20:53:06,315 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 179 [2020-10-14 20:53:06,936 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 40 [2020-10-14 20:53:07,557 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 36 [2020-10-14 20:53:08,128 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 36 [2020-10-14 20:53:08,132 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 20:53:08,133 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-14 20:53:08,133 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 20:53:08,133 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-14 20:53:08,133 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,133 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,133 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,133 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,134 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,134 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,134 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-14 20:53:08,134 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-14 20:53:08,134 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 20:53:08,134 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 20:53:08,134 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 20:53:08,134 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 20:53:08,134 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 20:53:08,135 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 20:53:08,135 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-14 20:53:08,135 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-14 20:53:08,135 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-14 20:53:08,135 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,135 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,135 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,135 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,136 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,136 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-14 20:53:08,136 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-14 20:53:08,136 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-14 20:53:08,136 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-14 20:53:08,136 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 20:53:08,136 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 20:53:08,136 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 20:53:08,136 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 20:53:08,137 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 20:53:08,137 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-14 20:53:08,137 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-14 20:53:08,137 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-14 20:53:08,137 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-14 20:53:08,137 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 103) no Hoare annotation was computed. [2020-10-14 20:53:08,137 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-14 20:53:08,137 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,137 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,138 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,138 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,138 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,138 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-14 20:53:08,138 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 20:53:08,138 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 20:53:08,138 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 20:53:08,138 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 20:53:08,138 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 20:53:08,139 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-14 20:53:08,139 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-14 20:53:08,139 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-14 20:53:08,139 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-14 20:53:08,139 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,139 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,139 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,140 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,140 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,140 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-14 20:53:08,140 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-14 20:53:08,140 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-14 20:53:08,140 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 20:53:08,141 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 20:53:08,141 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 20:53:08,141 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 20:53:08,141 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 20:53:08,141 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-14 20:53:08,141 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-14 20:53:08,141 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-14 20:53:08,141 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-14 20:53:08,142 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-14 20:53:08,142 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,142 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,142 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,142 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,142 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,142 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 20:53:08,142 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 20:53:08,142 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 20:53:08,143 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 20:53:08,143 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 20:53:08,143 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-14 20:53:08,143 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-14 20:53:08,143 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-14 20:53:08,143 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-14 20:53:08,143 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,143 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,144 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,144 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,144 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,144 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,144 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,144 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-14 20:53:08,144 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-14 20:53:08,144 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-14 20:53:08,145 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-14 20:53:08,145 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 20:53:08,145 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 20:53:08,145 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 20:53:08,145 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 20:53:08,145 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 20:53:08,145 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-14 20:53:08,145 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-14 20:53:08,145 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-14 20:53:08,146 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-14 20:53:08,146 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,146 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,146 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,146 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,146 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 20:53:08,146 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,146 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,146 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-14 20:53:08,147 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-14 20:53:08,147 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-14 20:53:08,147 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 20:53:08,147 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 20:53:08,147 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 20:53:08,147 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 20:53:08,147 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 20:53:08,147 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 20:53:08,147 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-14 20:53:08,147 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-14 20:53:08,148 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-14 20:53:08,148 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-14 20:53:08,148 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,148 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,148 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,148 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,148 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,148 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,149 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-14 20:53:08,149 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-14 20:53:08,149 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-14 20:53:08,149 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 20:53:08,149 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 20:53:08,149 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 20:53:08,149 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 20:53:08,149 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 20:53:08,149 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 20:53:08,149 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-14 20:53:08,150 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-14 20:53:08,150 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse2 (not (<= 2 |old(~a10~0)|))) (.cse1 (not (<= |old(~a19~0)| 9)))) (and (or (= 6 |old(~a19~0)|) .cse0 .cse1) (or .cse0 .cse2 .cse1 (not (<= |old(~a10~0)| 3))) (or (not (<= 9 |old(~a19~0)|)) .cse0 (not (<= |old(~a10~0)| 2))) (or .cse0 (not (= 0 |old(~a10~0)|))) (or (not (<= (+ |old(~a1~0)| 333899) 0)) .cse0 .cse2 .cse1))) [2020-10-14 20:53:08,150 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-14 20:53:08,150 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-14 20:53:08,150 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-14 20:53:08,150 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,150 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,151 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,151 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,151 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,151 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,151 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-14 20:53:08,151 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 20:53:08,151 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 20:53:08,151 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 20:53:08,151 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 20:53:08,152 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 20:53:08,152 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 20:53:08,152 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-14 20:53:08,152 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-14 20:53:08,152 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-14 20:53:08,152 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-14 20:53:08,152 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-14 20:53:08,152 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-14 20:53:08,152 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,152 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,152 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,153 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,153 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,153 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,153 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-14 20:53:08,153 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-14 20:53:08,153 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-14 20:53:08,153 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 20:53:08,153 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 20:53:08,153 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 20:53:08,153 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 20:53:08,154 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 20:53:08,154 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 20:53:08,154 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-14 20:53:08,154 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-14 20:53:08,154 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-14 20:53:08,154 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,154 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,154 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,154 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,154 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,154 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:08,155 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-14 20:53:08,155 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-14 20:53:08,155 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-14 20:53:08,155 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 20:53:08,155 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 20:53:08,155 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 20:53:08,155 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 20:53:08,155 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 20:53:08,155 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 20:53:08,155 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-14 20:53:08,156 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-14 20:53:08,156 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-14 20:53:08,156 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 20:53:08,156 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 9 ~a19~0) (= ~a10~0 0) (<= ~a19~0 9) (<= ~a1~0 23)) [2020-10-14 20:53:08,156 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 20:53:08,156 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 20:53:08,156 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (<= 9 ~a19~0) (<= ~a19~0 9) (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|))) [2020-10-14 20:53:08,157 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-14 20:53:08,157 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse1 (<= 2 ~a10~0))) (or (not (<= 9 |old(~a19~0)|)) (and (<= (+ ~a1~0 333899) 0) .cse0 .cse1) (and (not (= ~a19~0 6)) .cse0) (= ~a10~0 0) (not (<= |old(~a1~0)| 23)) (and .cse0 .cse1 (<= ~a10~0 3)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (and (<= 9 ~a19~0) (<= ~a10~0 2)))) [2020-10-14 20:53:08,157 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-14 20:53:08,157 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-14 20:53:08,157 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse1 (<= 2 ~a10~0))) (or (not (<= 9 |old(~a19~0)|)) (and (<= (+ ~a1~0 333899) 0) .cse0 .cse1) (and (not (= ~a19~0 6)) .cse0) (= ~a10~0 0) (not (<= |old(~a1~0)| 23)) (and .cse0 .cse1 (<= ~a10~0 3)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (and (<= 9 ~a19~0) (<= ~a10~0 2)))) [2020-10-14 20:53:08,157 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-14 20:53:08,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 08:53:08 BoogieIcfgContainer [2020-10-14 20:53:08,185 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 20:53:08,197 INFO L168 Benchmark]: Toolchain (without parser) took 60035.55 ms. Allocated memory was 146.8 MB in the beginning and 1.0 GB in the end (delta: 890.2 MB). Free memory was 100.4 MB in the beginning and 888.3 MB in the end (delta: -787.9 MB). Peak memory consumption was 865.3 MB. Max. memory is 7.1 GB. [2020-10-14 20:53:08,199 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 146.8 MB. Free memory was 120.1 MB in the beginning and 119.7 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-14 20:53:08,200 INFO L168 Benchmark]: CACSL2BoogieTranslator took 778.34 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 100.0 MB in the beginning and 170.1 MB in the end (delta: -70.1 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. [2020-10-14 20:53:08,200 INFO L168 Benchmark]: Boogie Preprocessor took 121.42 ms. Allocated memory is still 204.5 MB. Free memory was 170.1 MB in the beginning and 166.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-10-14 20:53:08,205 INFO L168 Benchmark]: RCFGBuilder took 1381.51 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 165.1 MB in the beginning and 179.6 MB in the end (delta: -14.5 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. [2020-10-14 20:53:08,206 INFO L168 Benchmark]: TraceAbstraction took 57748.72 ms. Allocated memory was 237.0 MB in the beginning and 1.0 GB in the end (delta: 800.1 MB). Free memory was 177.9 MB in the beginning and 888.3 MB in the end (delta: -710.4 MB). Peak memory consumption was 852.6 MB. Max. memory is 7.1 GB. [2020-10-14 20:53:08,212 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 146.8 MB. Free memory was 120.1 MB in the beginning and 119.7 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 778.34 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 100.0 MB in the beginning and 170.1 MB in the end (delta: -70.1 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.42 ms. Allocated memory is still 204.5 MB. Free memory was 170.1 MB in the beginning and 166.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1381.51 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 165.1 MB in the beginning and 179.6 MB in the end (delta: -14.5 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 57748.72 ms. Allocated memory was 237.0 MB in the beginning and 1.0 GB in the end (delta: 800.1 MB). Free memory was 177.9 MB in the beginning and 888.3 MB in the end (delta: -710.4 MB). Peak memory consumption was 852.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 103]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((!(9 <= \old(a19)) || ((a1 + 333899 <= 0 && a19 <= 9) && 2 <= a10)) || (!(a19 == 6) && a19 <= 9)) || a10 == 0) || !(\old(a1) <= 23)) || ((a19 <= 9 && 2 <= a10) && a10 <= 3)) || !(\old(a19) <= 9)) || !(0 == \old(a10))) || (9 <= a19 && a10 <= 2) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 54.2s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 19.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 328 SDtfs, 5558 SDslu, 424 SDs, 0 SdLazy, 11300 SolverSat, 1677 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 214 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3113occurred 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: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 1007 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 150 PreInvPairs, 208 NumberOfFragments, 290 HoareAnnotationTreeSize, 150 FomulaSimplifications, 968330 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 49519 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 32.4s InterpolantComputationTime, 3138 NumberOfCodeBlocks, 3138 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 3126 ConstructedInterpolants, 0 QuantifiedInterpolants, 2631761 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 2436/2715 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...