/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/Problem14_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 21:43:23,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 21:43:23,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 21:43:23,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 21:43:23,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 21:43:23,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 21:43:23,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 21:43:23,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 21:43:23,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 21:43:23,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 21:43:23,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 21:43:23,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 21:43:23,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 21:43:23,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 21:43:23,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 21:43:23,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 21:43:23,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 21:43:23,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 21:43:23,177 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 21:43:23,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 21:43:23,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 21:43:23,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 21:43:23,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 21:43:23,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 21:43:23,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 21:43:23,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 21:43:23,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 21:43:23,188 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 21:43:23,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 21:43:23,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 21:43:23,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 21:43:23,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 21:43:23,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 21:43:23,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 21:43:23,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 21:43:23,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 21:43:23,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 21:43:23,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 21:43:23,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 21:43:23,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 21:43:23,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 21:43:23,197 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 21:43:23,236 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 21:43:23,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 21:43:23,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 21:43:23,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 21:43:23,238 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 21:43:23,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 21:43:23,238 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 21:43:23,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 21:43:23,239 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 21:43:23,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 21:43:23,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 21:43:23,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 21:43:23,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 21:43:23,244 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 21:43:23,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 21:43:23,244 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 21:43:23,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 21:43:23,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 21:43:23,245 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 21:43:23,245 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 21:43:23,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 21:43:23,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 21:43:23,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 21:43:23,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 21:43:23,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 21:43:23,248 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 21:43:23,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 21:43:23,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 21:43:23,249 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 21:43:23,249 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 21:43:23,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 21:43:23,601 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 21:43:23,606 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 21:43:23,609 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 21:43:23,610 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 21:43:23,610 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label21.c [2020-10-14 21:43:23,680 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/68bfc7da9/9e6ce8dff45c4c959114ffb253966c62/FLAG5c11a7ac3 [2020-10-14 21:43:24,231 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 21:43:24,232 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label21.c [2020-10-14 21:43:24,249 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/68bfc7da9/9e6ce8dff45c4c959114ffb253966c62/FLAG5c11a7ac3 [2020-10-14 21:43:24,497 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/68bfc7da9/9e6ce8dff45c4c959114ffb253966c62 [2020-10-14 21:43:24,506 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 21:43:24,508 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 21:43:24,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 21:43:24,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 21:43:24,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 21:43:24,515 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:43:24" (1/1) ... [2020-10-14 21:43:24,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb9cf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:43:24, skipping insertion in model container [2020-10-14 21:43:24,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:43:24" (1/1) ... [2020-10-14 21:43:24,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 21:43:24,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 21:43:25,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:43:25,051 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 21:43:25,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:43:25,351 INFO L208 MainTranslator]: Completed translation [2020-10-14 21:43:25,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:43:25 WrapperNode [2020-10-14 21:43:25,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 21:43:25,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 21:43:25,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 21:43:25,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 21:43:25,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:43:25" (1/1) ... [2020-10-14 21:43:25,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:43:25" (1/1) ... [2020-10-14 21:43:25,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:43:25" (1/1) ... [2020-10-14 21:43:25,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:43:25" (1/1) ... [2020-10-14 21:43:25,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:43:25" (1/1) ... [2020-10-14 21:43:25,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:43:25" (1/1) ... [2020-10-14 21:43:25,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:43:25" (1/1) ... [2020-10-14 21:43:25,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 21:43:25,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 21:43:25,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 21:43:25,508 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 21:43:25,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:43:25" (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 21:43:25,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 21:43:25,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 21:43:25,583 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 21:43:25,584 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 21:43:25,584 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 21:43:25,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 21:43:25,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 21:43:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 21:43:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 21:43:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 21:43:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 21:43:26,996 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 21:43:26,997 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 21:43:27,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:43:27 BoogieIcfgContainer [2020-10-14 21:43:27,003 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 21:43:27,005 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 21:43:27,005 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 21:43:27,009 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 21:43:27,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:43:24" (1/3) ... [2020-10-14 21:43:27,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c899c84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:43:27, skipping insertion in model container [2020-10-14 21:43:27,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:43:25" (2/3) ... [2020-10-14 21:43:27,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c899c84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:43:27, skipping insertion in model container [2020-10-14 21:43:27,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:43:27" (3/3) ... [2020-10-14 21:43:27,013 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label21.c [2020-10-14 21:43:27,024 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 21:43:27,033 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 21:43:27,048 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 21:43:27,075 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 21:43:27,076 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 21:43:27,076 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 21:43:27,076 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 21:43:27,076 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 21:43:27,076 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 21:43:27,077 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 21:43:27,077 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 21:43:27,100 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-14 21:43:27,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-14 21:43:27,108 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:43:27,109 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:43:27,110 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:43:27,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:43:27,117 INFO L82 PathProgramCache]: Analyzing trace with hash -736368013, now seen corresponding path program 1 times [2020-10-14 21:43:27,126 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:43:27,127 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [747227604] [2020-10-14 21:43:27,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:43:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:27,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:27,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:27,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-14 21:43:27,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:27,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 337 [2020-10-14 21:43:27,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:27,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:27,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:43:27,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:43:27,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 21:43:27,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 21:43:27,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:43:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:27,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:27,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:27,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:43:27,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:27,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:43:27,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:27,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:27,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:43:27,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:27,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:43:27,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:27,841 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 21:43:27,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [747227604] [2020-10-14 21:43:27,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:43:27,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 21:43:27,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440863465] [2020-10-14 21:43:27,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 21:43:27,853 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:43:27,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 21:43:27,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 21:43:27,875 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2020-10-14 21:43:29,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:43:29,572 INFO L93 Difference]: Finished difference Result 698 states and 1241 transitions. [2020-10-14 21:43:29,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:43:29,574 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 40 [2020-10-14 21:43:29,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:43:29,593 INFO L225 Difference]: With dead ends: 698 [2020-10-14 21:43:29,593 INFO L226 Difference]: Without dead ends: 380 [2020-10-14 21:43:29,601 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:43:29,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-14 21:43:29,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 374. [2020-10-14 21:43:29,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-10-14 21:43:29,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 604 transitions. [2020-10-14 21:43:29,691 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 604 transitions. Word has length 40 [2020-10-14 21:43:29,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:43:29,691 INFO L479 AbstractCegarLoop]: Abstraction has 374 states and 604 transitions. [2020-10-14 21:43:29,692 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 21:43:29,692 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 604 transitions. [2020-10-14 21:43:29,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-14 21:43:29,697 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:43:29,698 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:43:29,698 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 21:43:29,698 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:43:29,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:43:29,699 INFO L82 PathProgramCache]: Analyzing trace with hash 587538301, now seen corresponding path program 1 times [2020-10-14 21:43:29,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:43:29,700 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [448884694] [2020-10-14 21:43:29,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:43:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:29,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:30,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:30,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:30,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:30,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:43:30,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:43:30,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 924 [2020-10-14 21:43:30,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:30,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:30,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:43:30,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:43:30,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 21:43:30,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:43:30,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:43:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:30,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:30,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:30,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:43:30,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:30,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 21:43:30,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:30,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:30,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:43:30,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:30,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:43:30,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:30,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:43:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:30,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:30,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:30,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 21:43:30,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:30,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-14 21:43:30,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:30,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:30,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:30,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:30,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-14 21:43:30,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:30,927 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:43:30,927 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [448884694] [2020-10-14 21:43:30,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:43:30,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 21:43:30,928 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790689607] [2020-10-14 21:43:30,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:43:30,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:43:30,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:43:30,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:43:30,931 INFO L87 Difference]: Start difference. First operand 374 states and 604 transitions. Second operand 7 states. [2020-10-14 21:43:32,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:43:32,935 INFO L93 Difference]: Finished difference Result 1144 states and 1877 transitions. [2020-10-14 21:43:32,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:43:32,936 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 109 [2020-10-14 21:43:32,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:43:32,943 INFO L225 Difference]: With dead ends: 1144 [2020-10-14 21:43:32,943 INFO L226 Difference]: Without dead ends: 776 [2020-10-14 21:43:32,945 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 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 21:43:32,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2020-10-14 21:43:33,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 752. [2020-10-14 21:43:33,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 752 states. [2020-10-14 21:43:33,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1067 transitions. [2020-10-14 21:43:33,013 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1067 transitions. Word has length 109 [2020-10-14 21:43:33,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:43:33,015 INFO L479 AbstractCegarLoop]: Abstraction has 752 states and 1067 transitions. [2020-10-14 21:43:33,015 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:43:33,015 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1067 transitions. [2020-10-14 21:43:33,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-14 21:43:33,025 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:43:33,025 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:43:33,025 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 21:43:33,025 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:43:33,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:43:33,026 INFO L82 PathProgramCache]: Analyzing trace with hash 2036980310, now seen corresponding path program 1 times [2020-10-14 21:43:33,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:43:33,027 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1681728704] [2020-10-14 21:43:33,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:43:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:33,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:33,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:33,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:33,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:33,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 21:43:33,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:43:33,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 541 [2020-10-14 21:43:33,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:33,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:33,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:43:33,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:43:33,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 21:43:33,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:33,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:43:33,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:33,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:33,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:33,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:43:33,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:33,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 21:43:33,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:33,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:33,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:43:33,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:33,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:43:33,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:33,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:43:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:33,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:33,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:33,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 21:43:33,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:33,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-14 21:43:33,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:33,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:33,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:33,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:33,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:43:33,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:33,814 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:43:33,814 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1681728704] [2020-10-14 21:43:33,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:43:33,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 21:43:33,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655606227] [2020-10-14 21:43:33,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:43:33,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:43:33,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:43:33,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:43:33,817 INFO L87 Difference]: Start difference. First operand 752 states and 1067 transitions. Second operand 7 states. [2020-10-14 21:43:35,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:43:35,851 INFO L93 Difference]: Finished difference Result 1946 states and 2964 transitions. [2020-10-14 21:43:35,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:43:35,851 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 110 [2020-10-14 21:43:35,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:43:35,862 INFO L225 Difference]: With dead ends: 1946 [2020-10-14 21:43:35,862 INFO L226 Difference]: Without dead ends: 1200 [2020-10-14 21:43:35,865 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:43:35,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2020-10-14 21:43:35,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 1132. [2020-10-14 21:43:35,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1132 states. [2020-10-14 21:43:35,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 1132 states and 1547 transitions. [2020-10-14 21:43:35,929 INFO L78 Accepts]: Start accepts. Automaton has 1132 states and 1547 transitions. Word has length 110 [2020-10-14 21:43:35,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:43:35,930 INFO L479 AbstractCegarLoop]: Abstraction has 1132 states and 1547 transitions. [2020-10-14 21:43:35,930 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:43:35,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1547 transitions. [2020-10-14 21:43:35,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-14 21:43:35,932 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:43:35,932 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:43:35,933 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 21:43:35,933 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:43:35,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:43:35,933 INFO L82 PathProgramCache]: Analyzing trace with hash 673735349, now seen corresponding path program 1 times [2020-10-14 21:43:35,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:43:35,934 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2053873350] [2020-10-14 21:43:35,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:43:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:35,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:36,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:36,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:36,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-14 21:43:36,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:43:36,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 712 [2020-10-14 21:43:36,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:36,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:36,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:43:36,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:43:36,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 21:43:36,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:36,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:43:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:36,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:36,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:36,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:43:36,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:36,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 21:43:36,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:36,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:36,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:43:36,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:36,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:43:36,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:36,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:43:36,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:36,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:36,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:36,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:43:36,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:36,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-14 21:43:36,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:36,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:36,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:36,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:36,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 21:43:36,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:37,012 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:43:37,014 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2053873350] [2020-10-14 21:43:37,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:43:37,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 21:43:37,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551971052] [2020-10-14 21:43:37,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:43:37,017 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:43:37,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:43:37,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:43:37,018 INFO L87 Difference]: Start difference. First operand 1132 states and 1547 transitions. Second operand 7 states. [2020-10-14 21:43:38,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:43:38,913 INFO L93 Difference]: Finished difference Result 2832 states and 3802 transitions. [2020-10-14 21:43:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 21:43:38,921 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 113 [2020-10-14 21:43:38,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:43:38,931 INFO L225 Difference]: With dead ends: 2832 [2020-10-14 21:43:38,931 INFO L226 Difference]: Without dead ends: 1706 [2020-10-14 21:43:38,934 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-14 21:43:38,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2020-10-14 21:43:38,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1688. [2020-10-14 21:43:38,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1688 states. [2020-10-14 21:43:39,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1688 states to 1688 states and 2190 transitions. [2020-10-14 21:43:39,005 INFO L78 Accepts]: Start accepts. Automaton has 1688 states and 2190 transitions. Word has length 113 [2020-10-14 21:43:39,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:43:39,007 INFO L479 AbstractCegarLoop]: Abstraction has 1688 states and 2190 transitions. [2020-10-14 21:43:39,007 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:43:39,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1688 states and 2190 transitions. [2020-10-14 21:43:39,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-14 21:43:39,014 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:43:39,014 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:43:39,014 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 21:43:39,015 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:43:39,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:43:39,015 INFO L82 PathProgramCache]: Analyzing trace with hash 469868122, now seen corresponding path program 1 times [2020-10-14 21:43:39,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:43:39,016 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1063860089] [2020-10-14 21:43:39,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:43:39,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:39,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:39,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:39,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:39,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:43:39,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:43:39,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 244 [2020-10-14 21:43:39,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:39,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:39,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:39,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-14 21:43:39,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-14 21:43:39,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:39,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:43:39,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:39,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:39,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:39,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:43:39,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:39,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 21:43:39,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:39,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:39,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:39,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:39,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:39,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:39,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:43:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:39,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:39,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:39,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 21:43:39,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:39,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-14 21:43:39,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:39,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:39,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:43:39,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:39,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 21:43:39,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:39,540 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:43:39,541 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1063860089] [2020-10-14 21:43:39,541 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:43:39,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 21:43:39,542 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113710314] [2020-10-14 21:43:39,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 21:43:39,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:43:39,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 21:43:39,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:43:39,547 INFO L87 Difference]: Start difference. First operand 1688 states and 2190 transitions. Second operand 6 states. [2020-10-14 21:43:41,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:43:41,885 INFO L93 Difference]: Finished difference Result 3746 states and 5050 transitions. [2020-10-14 21:43:41,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 21:43:41,889 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 124 [2020-10-14 21:43:41,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:43:41,906 INFO L225 Difference]: With dead ends: 3746 [2020-10-14 21:43:41,906 INFO L226 Difference]: Without dead ends: 1880 [2020-10-14 21:43:41,912 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:43:41,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1880 states. [2020-10-14 21:43:41,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1880 to 1316. [2020-10-14 21:43:41,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1316 states. [2020-10-14 21:43:41,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1316 states and 1709 transitions. [2020-10-14 21:43:41,967 INFO L78 Accepts]: Start accepts. Automaton has 1316 states and 1709 transitions. Word has length 124 [2020-10-14 21:43:41,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:43:41,971 INFO L479 AbstractCegarLoop]: Abstraction has 1316 states and 1709 transitions. [2020-10-14 21:43:41,971 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 21:43:41,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1709 transitions. [2020-10-14 21:43:41,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-14 21:43:41,975 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:43:41,975 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:43:41,976 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 21:43:41,976 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:43:41,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:43:41,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1580065926, now seen corresponding path program 1 times [2020-10-14 21:43:41,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:43:41,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [919630114] [2020-10-14 21:43:41,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:43:42,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:42,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:42,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:42,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:42,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:43,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:45,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:45,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-14 21:43:45,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:43:45,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3100 [2020-10-14 21:43:45,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:45,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:45,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 21:43:45,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:43:45,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 175 [2020-10-14 21:43:45,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:45,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:43:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:45,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:45,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:45,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:43:45,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:45,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 21:43:45,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:45,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:45,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:43:45,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:45,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:43:45,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:45,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:43:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:45,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:45,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:45,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 21:43:45,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:45,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-14 21:43:45,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:45,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:45,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:45,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:45,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 21:43:45,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:45,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 21:43:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:45,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:45,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:45,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:43:45,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:45,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-14 21:43:45,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:45,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:45,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:45,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:45,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 21:43:45,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:45,979 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 67 proven. 78 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 21:43:45,980 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [919630114] [2020-10-14 21:43:45,980 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:43:45,981 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:43:45,981 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487958050] [2020-10-14 21:43:45,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 21:43:45,982 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:43:45,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 21:43:45,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-14 21:43:45,982 INFO L87 Difference]: Start difference. First operand 1316 states and 1709 transitions. Second operand 9 states. [2020-10-14 21:43:47,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:43:47,964 INFO L93 Difference]: Finished difference Result 2668 states and 3476 transitions. [2020-10-14 21:43:47,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 21:43:47,965 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 207 [2020-10-14 21:43:47,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:43:47,972 INFO L225 Difference]: With dead ends: 2668 [2020-10-14 21:43:47,972 INFO L226 Difference]: Without dead ends: 1340 [2020-10-14 21:43:47,976 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-10-14 21:43:47,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1340 states. [2020-10-14 21:43:48,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1340 to 1310. [2020-10-14 21:43:48,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1310 states. [2020-10-14 21:43:48,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1310 states and 1532 transitions. [2020-10-14 21:43:48,011 INFO L78 Accepts]: Start accepts. Automaton has 1310 states and 1532 transitions. Word has length 207 [2020-10-14 21:43:48,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:43:48,012 INFO L479 AbstractCegarLoop]: Abstraction has 1310 states and 1532 transitions. [2020-10-14 21:43:48,012 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 21:43:48,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 1532 transitions. [2020-10-14 21:43:48,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2020-10-14 21:43:48,017 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:43:48,017 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:43:48,017 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 21:43:48,018 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:43:48,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:43:48,018 INFO L82 PathProgramCache]: Analyzing trace with hash -1016988295, now seen corresponding path program 1 times [2020-10-14 21:43:48,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:43:48,019 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1428899499] [2020-10-14 21:43:48,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:43:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:48,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:48,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:48,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:49,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:53,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:53,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 319 [2020-10-14 21:43:53,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:43:53,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-14 21:43:53,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:53,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:53,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:43:53,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:43:53,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-14 21:43:53,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:53,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:43:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:53,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:53,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:53,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:43:53,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:53,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 21:43:53,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:53,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:53,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:43:53,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:53,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:43:53,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:53,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:43:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:53,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:53,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:53,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:43:53,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:53,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-14 21:43:53,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:53,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:53,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:53,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:53,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-14 21:43:53,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:53,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 21:43:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:53,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:53,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:53,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:43:53,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:53,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:43:53,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:53,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:53,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:53,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-14 21:43:53,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:53,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:53,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-14 21:43:53,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:53,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:53,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:53,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:43:53,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:53,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 21:43:53,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:53,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:53,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:53,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 21:43:53,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:53,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:53,702 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 99 proven. 146 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-14 21:43:53,703 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1428899499] [2020-10-14 21:43:53,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:43:53,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:43:53,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215583822] [2020-10-14 21:43:53,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:43:53,706 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:43:53,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:43:53,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:43:53,707 INFO L87 Difference]: Start difference. First operand 1310 states and 1532 transitions. Second operand 7 states. [2020-10-14 21:43:55,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:43:55,724 INFO L93 Difference]: Finished difference Result 3566 states and 4296 transitions. [2020-10-14 21:43:55,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:43:55,728 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 305 [2020-10-14 21:43:55,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:43:55,743 INFO L225 Difference]: With dead ends: 3566 [2020-10-14 21:43:55,743 INFO L226 Difference]: Without dead ends: 2444 [2020-10-14 21:43:55,750 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:43:55,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2444 states. [2020-10-14 21:43:55,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2444 to 2060. [2020-10-14 21:43:55,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2060 states. [2020-10-14 21:43:55,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2060 states to 2060 states and 2387 transitions. [2020-10-14 21:43:55,819 INFO L78 Accepts]: Start accepts. Automaton has 2060 states and 2387 transitions. Word has length 305 [2020-10-14 21:43:55,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:43:55,820 INFO L479 AbstractCegarLoop]: Abstraction has 2060 states and 2387 transitions. [2020-10-14 21:43:55,820 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:43:55,820 INFO L276 IsEmpty]: Start isEmpty. Operand 2060 states and 2387 transitions. [2020-10-14 21:43:55,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2020-10-14 21:43:55,830 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:43:55,831 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2020-10-14 21:43:55,831 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 21:43:55,831 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:43:55,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:43:55,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1160825286, now seen corresponding path program 1 times [2020-10-14 21:43:55,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:43:55,833 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [606842151] [2020-10-14 21:43:55,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:43:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:56,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:56,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:56,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:57,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:00,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:00,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 431 [2020-10-14 21:44:00,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:44:00,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-10-14 21:44:00,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:00,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:00,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:00,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-14 21:44:00,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 21:44:00,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:01,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:01,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:01,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:01,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:01,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:01,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 21:44:01,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:01,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:01,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:01,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:01,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:01,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:01,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:01,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:01,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:01,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:44:01,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:01,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 21:44:01,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:01,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:01,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:01,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:01,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:01,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:01,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:44:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:01,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:01,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:01,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:44:01,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:01,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-14 21:44:01,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:01,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:01,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:01,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:01,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:44:01,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:01,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:44:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:01,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:01,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:01,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:44:01,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:01,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-14 21:44:01,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:01,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:01,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:01,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:01,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 21:44:01,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:01,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-10-14 21:44:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:01,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:01,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:01,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:44:01,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:01,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 21:44:01,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:01,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:01,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:01,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 21:44:01,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:01,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:01,791 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 285 proven. 72 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2020-10-14 21:44:01,792 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [606842151] [2020-10-14 21:44:01,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:01,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:44:01,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810574651] [2020-10-14 21:44:01,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:44:01,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:01,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:44:01,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:44:01,795 INFO L87 Difference]: Start difference. First operand 2060 states and 2387 transitions. Second operand 7 states. [2020-10-14 21:44:03,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:03,192 INFO L93 Difference]: Finished difference Result 3942 states and 4626 transitions. [2020-10-14 21:44:03,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:44:03,192 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 415 [2020-10-14 21:44:03,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:03,201 INFO L225 Difference]: With dead ends: 3942 [2020-10-14 21:44:03,201 INFO L226 Difference]: Without dead ends: 2254 [2020-10-14 21:44:03,207 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:44:03,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2254 states. [2020-10-14 21:44:03,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2254 to 2244. [2020-10-14 21:44:03,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2244 states. [2020-10-14 21:44:03,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 2244 states and 2588 transitions. [2020-10-14 21:44:03,259 INFO L78 Accepts]: Start accepts. Automaton has 2244 states and 2588 transitions. Word has length 415 [2020-10-14 21:44:03,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:03,260 INFO L479 AbstractCegarLoop]: Abstraction has 2244 states and 2588 transitions. [2020-10-14 21:44:03,260 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:44:03,260 INFO L276 IsEmpty]: Start isEmpty. Operand 2244 states and 2588 transitions. [2020-10-14 21:44:03,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2020-10-14 21:44:03,269 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:03,269 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 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] [2020-10-14 21:44:03,269 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 21:44:03,269 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:03,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:03,270 INFO L82 PathProgramCache]: Analyzing trace with hash 788998803, now seen corresponding path program 1 times [2020-10-14 21:44:03,270 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:03,271 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1199533600] [2020-10-14 21:44:03,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:03,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:03,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:03,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:04,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:06,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:07,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:08,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:08,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 442 [2020-10-14 21:44:08,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 21:44:08,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 21:44:08,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:08,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:08,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:44:08,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-14 21:44:08,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 172 [2020-10-14 21:44:08,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:08,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:08,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:08,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:08,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:08,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:08,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 21:44:08,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:08,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:08,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:08,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:08,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:08,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:08,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:08,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:08,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:08,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:44:08,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:08,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:44:08,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:08,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:08,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:08,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:08,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:08,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:08,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:44:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:08,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:08,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:08,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:44:08,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:08,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 21:44:08,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:08,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:08,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:08,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:08,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:44:08,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:08,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:44:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:08,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:08,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:08,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:08,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 21:44:08,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:44:08,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-14 21:44:08,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:08,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:08,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:08,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:08,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 21:44:08,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:08,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2020-10-14 21:44:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:08,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:08,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:08,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:44:08,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:08,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-14 21:44:08,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:08,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:08,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:08,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:08,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 21:44:08,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:08,952 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 385 proven. 4 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2020-10-14 21:44:08,953 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1199533600] [2020-10-14 21:44:08,953 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:08,953 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:44:08,954 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329773826] [2020-10-14 21:44:08,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:44:08,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:08,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:44:08,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:44:08,955 INFO L87 Difference]: Start difference. First operand 2244 states and 2588 transitions. Second operand 8 states. [2020-10-14 21:44:11,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:11,316 INFO L93 Difference]: Finished difference Result 5622 states and 6882 transitions. [2020-10-14 21:44:11,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 21:44:11,316 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 426 [2020-10-14 21:44:11,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:11,330 INFO L225 Difference]: With dead ends: 5622 [2020-10-14 21:44:11,331 INFO L226 Difference]: Without dead ends: 3374 [2020-10-14 21:44:11,337 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-14 21:44:11,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3374 states. [2020-10-14 21:44:11,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3374 to 3358. [2020-10-14 21:44:11,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3358 states. [2020-10-14 21:44:11,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3358 states to 3358 states and 3731 transitions. [2020-10-14 21:44:11,422 INFO L78 Accepts]: Start accepts. Automaton has 3358 states and 3731 transitions. Word has length 426 [2020-10-14 21:44:11,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:11,423 INFO L479 AbstractCegarLoop]: Abstraction has 3358 states and 3731 transitions. [2020-10-14 21:44:11,423 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:44:11,423 INFO L276 IsEmpty]: Start isEmpty. Operand 3358 states and 3731 transitions. [2020-10-14 21:44:11,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 659 [2020-10-14 21:44:11,439 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:11,440 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2020-10-14 21:44:11,440 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 21:44:11,440 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:11,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:11,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1776728111, now seen corresponding path program 1 times [2020-10-14 21:44:11,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:11,441 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [93401380] [2020-10-14 21:44:11,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:11,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:11,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:12,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:13,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:16,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:16,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:16,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 678 [2020-10-14 21:44:16,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:44:16,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-14 21:44:16,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:16,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:16,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:44:16,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-14 21:44:16,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 248 [2020-10-14 21:44:16,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:16,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:16,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:16,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:16,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:16,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:16,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:44:16,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:16,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:16,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:16,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:16,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:16,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:16,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:16,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:16,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:16,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:44:16,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:16,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:44:16,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:16,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:16,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:16,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:16,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:16,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:16,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:44:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:16,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:16,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:16,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:44:16,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:16,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-14 21:44:16,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:16,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:16,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:16,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:16,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:44:16,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:16,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:44:16,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:16,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:16,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:16,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:16,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:44:16,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:44:16,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-14 21:44:16,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:16,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:16,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:16,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:16,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 21:44:16,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:16,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-10-14 21:44:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:17,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:17,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:17,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:44:17,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:17,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-14 21:44:17,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:17,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:17,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:17,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:17,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 21:44:17,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:17,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2020-10-14 21:44:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:17,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:17,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:17,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:44:17,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:17,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:44:17,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:17,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:17,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:17,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-14 21:44:17,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:17,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:17,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2020-10-14 21:44:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:17,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:17,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:17,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:44:17,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:17,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:44:17,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:17,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:17,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:17,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 21:44:17,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:17,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:17,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1552 backedges. 655 proven. 302 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2020-10-14 21:44:17,466 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [93401380] [2020-10-14 21:44:17,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:17,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:44:17,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713211322] [2020-10-14 21:44:17,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:44:17,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:17,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:44:17,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:44:17,468 INFO L87 Difference]: Start difference. First operand 3358 states and 3731 transitions. Second operand 8 states. [2020-10-14 21:44:19,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:19,895 INFO L93 Difference]: Finished difference Result 6546 states and 7312 transitions. [2020-10-14 21:44:19,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 21:44:19,896 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 658 [2020-10-14 21:44:19,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:19,909 INFO L225 Difference]: With dead ends: 6546 [2020-10-14 21:44:19,910 INFO L226 Difference]: Without dead ends: 3560 [2020-10-14 21:44:19,916 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-14 21:44:19,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3560 states. [2020-10-14 21:44:19,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3560 to 3540. [2020-10-14 21:44:19,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3540 states. [2020-10-14 21:44:19,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3540 states to 3540 states and 3915 transitions. [2020-10-14 21:44:19,990 INFO L78 Accepts]: Start accepts. Automaton has 3540 states and 3915 transitions. Word has length 658 [2020-10-14 21:44:19,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:19,990 INFO L479 AbstractCegarLoop]: Abstraction has 3540 states and 3915 transitions. [2020-10-14 21:44:19,990 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:44:19,991 INFO L276 IsEmpty]: Start isEmpty. Operand 3540 states and 3915 transitions. [2020-10-14 21:44:20,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 692 [2020-10-14 21:44:20,007 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:20,008 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2020-10-14 21:44:20,008 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 21:44:20,008 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:20,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:20,009 INFO L82 PathProgramCache]: Analyzing trace with hash 944287442, now seen corresponding path program 1 times [2020-10-14 21:44:20,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:20,009 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1841814887] [2020-10-14 21:44:20,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:20,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:20,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:20,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:23,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:23,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:25,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:25,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 711 [2020-10-14 21:44:25,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:44:25,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-14 21:44:25,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:25,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:25,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:25,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-14 21:44:25,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 21:44:25,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:25,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:25,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:25,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:25,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:25,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:25,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:44:25,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:25,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:25,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:25,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:25,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:25,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:25,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:25,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:25,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:25,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:44:25,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:25,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:44:25,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:25,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:25,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:25,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:25,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:25,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:25,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:44:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:25,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:25,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:25,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:44:25,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:25,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:44:25,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:25,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:25,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:25,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:25,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:25,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:25,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:44:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:25,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:25,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:25,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:44:25,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:25,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:44:25,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:25,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:25,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:25,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:25,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:25,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:25,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:44:25,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:25,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:25,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:25,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:44:25,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:25,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-14 21:44:25,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:25,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:25,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:25,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:25,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 21:44:25,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:25,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:44:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:25,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:25,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:25,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:44:25,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:25,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 21:44:25,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:25,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:25,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:25,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:25,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 21:44:25,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:25,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2020-10-14 21:44:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:25,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:25,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:25,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:44:25,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:25,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:44:25,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:25,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:25,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:25,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 21:44:25,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:25,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:25,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1559 backedges. 509 proven. 72 refuted. 0 times theorem prover too weak. 978 trivial. 0 not checked. [2020-10-14 21:44:25,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1841814887] [2020-10-14 21:44:25,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:25,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:44:25,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745647288] [2020-10-14 21:44:25,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:44:25,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:25,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:44:25,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:44:25,842 INFO L87 Difference]: Start difference. First operand 3540 states and 3915 transitions. Second operand 7 states. [2020-10-14 21:44:27,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:27,959 INFO L93 Difference]: Finished difference Result 7096 states and 7903 transitions. [2020-10-14 21:44:27,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:44:27,960 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 691 [2020-10-14 21:44:27,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:27,976 INFO L225 Difference]: With dead ends: 7096 [2020-10-14 21:44:27,976 INFO L226 Difference]: Without dead ends: 3744 [2020-10-14 21:44:27,990 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 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 21:44:27,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3744 states. [2020-10-14 21:44:28,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3744 to 3726. [2020-10-14 21:44:28,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3726 states. [2020-10-14 21:44:28,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3726 states to 3726 states and 4111 transitions. [2020-10-14 21:44:28,068 INFO L78 Accepts]: Start accepts. Automaton has 3726 states and 4111 transitions. Word has length 691 [2020-10-14 21:44:28,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:28,070 INFO L479 AbstractCegarLoop]: Abstraction has 3726 states and 4111 transitions. [2020-10-14 21:44:28,070 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:44:28,070 INFO L276 IsEmpty]: Start isEmpty. Operand 3726 states and 4111 transitions. [2020-10-14 21:44:28,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 768 [2020-10-14 21:44:28,103 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:28,104 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 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, 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 21:44:28,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 21:44:28,104 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:28,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:28,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1455295927, now seen corresponding path program 1 times [2020-10-14 21:44:28,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:28,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1185414679] [2020-10-14 21:44:28,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:28,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:28,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:29,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:29,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:30,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:31,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:33,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:33,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 789 [2020-10-14 21:44:33,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 21:44:33,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 21:44:33,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:33,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:33,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:33,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 664 [2020-10-14 21:44:33,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 21:44:33,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:33,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:33,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:33,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:33,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:33,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:33,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:33,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:44:33,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:33,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:33,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:33,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:33,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:33,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:33,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:33,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:33,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:33,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:44:33,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:33,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:44:33,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:33,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:33,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:33,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:33,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:33,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:33,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:44:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:33,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:33,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:33,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:44:33,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:33,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 21:44:33,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:33,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:33,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:33,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:33,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:33,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:33,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:44:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:33,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:33,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:33,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:44:33,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:33,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:44:33,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:33,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:33,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:33,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:33,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:33,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:33,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:44:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:33,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:33,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:33,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:44:33,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:33,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:44:33,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:33,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:33,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:33,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:33,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:33,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:33,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:44:33,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:33,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:33,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:33,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:44:33,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:33,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:44:33,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:33,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:33,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:33,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:33,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:33,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:33,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-10-14 21:44:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:33,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:33,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:33,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:44:33,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:33,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 21:44:33,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:33,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:33,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:33,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:33,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 21:44:33,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:33,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 652 [2020-10-14 21:44:33,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:33,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:33,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:33,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:44:33,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:33,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 21:44:33,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:33,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:33,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:33,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:33,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 21:44:33,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:34,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2045 backedges. 719 proven. 2 refuted. 0 times theorem prover too weak. 1324 trivial. 0 not checked. [2020-10-14 21:44:34,188 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1185414679] [2020-10-14 21:44:34,188 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:34,188 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:44:34,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816990090] [2020-10-14 21:44:34,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:44:34,189 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:34,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:44:34,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:44:34,190 INFO L87 Difference]: Start difference. First operand 3726 states and 4111 transitions. Second operand 7 states. [2020-10-14 21:44:35,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:35,852 INFO L93 Difference]: Finished difference Result 7088 states and 7912 transitions. [2020-10-14 21:44:35,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:44:35,852 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 767 [2020-10-14 21:44:35,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:35,866 INFO L225 Difference]: With dead ends: 7088 [2020-10-14 21:44:35,866 INFO L226 Difference]: Without dead ends: 3546 [2020-10-14 21:44:35,873 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:44:35,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3546 states. [2020-10-14 21:44:35,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3546 to 3540. [2020-10-14 21:44:35,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3540 states. [2020-10-14 21:44:35,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3540 states to 3540 states and 3898 transitions. [2020-10-14 21:44:35,937 INFO L78 Accepts]: Start accepts. Automaton has 3540 states and 3898 transitions. Word has length 767 [2020-10-14 21:44:35,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:35,939 INFO L479 AbstractCegarLoop]: Abstraction has 3540 states and 3898 transitions. [2020-10-14 21:44:35,939 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:44:35,939 INFO L276 IsEmpty]: Start isEmpty. Operand 3540 states and 3898 transitions. [2020-10-14 21:44:35,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 871 [2020-10-14 21:44:35,949 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:35,950 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:44:35,950 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 21:44:35,950 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:35,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:35,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1595418598, now seen corresponding path program 1 times [2020-10-14 21:44:35,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:35,951 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1702668673] [2020-10-14 21:44:35,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:36,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:36,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:36,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:37,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:41,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:41,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 892 [2020-10-14 21:44:41,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:44:41,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-14 21:44:41,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:41,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:41,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:41,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 770 [2020-10-14 21:44:41,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 21:44:41,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:41,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:41,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:41,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:41,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:41,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:41,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:44:41,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:41,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:41,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:41,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:41,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:41,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:41,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:41,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:41,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:41,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:44:41,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:41,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 21:44:41,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:41,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:41,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:41,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:41,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:41,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:41,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:44:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:41,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:41,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:41,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:44:41,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:41,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:44:41,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:41,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:41,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:41,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:41,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:41,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:41,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:44:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:41,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:41,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:41,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:44:41,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:41,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:44:41,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:41,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:41,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:41,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:41,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:41,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:41,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:44:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:41,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:41,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:41,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:44:41,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:41,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:44:41,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:41,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:41,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:41,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:41,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:41,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:41,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:44:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:41,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:41,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:41,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:44:41,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:41,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:44:41,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:41,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:41,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:41,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:41,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:41,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:41,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-10-14 21:44:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:41,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:41,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:41,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:44:41,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:41,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-14 21:44:41,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:41,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:41,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:41,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:41,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-14 21:44:41,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:41,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 758 [2020-10-14 21:44:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:41,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:41,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:41,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 21:44:41,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:41,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-14 21:44:41,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:41,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:41,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:41,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:41,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 21:44:41,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:42,164 INFO L134 CoverageAnalysis]: Checked inductivity of 2246 backedges. 714 proven. 2 refuted. 0 times theorem prover too weak. 1530 trivial. 0 not checked. [2020-10-14 21:44:42,165 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1702668673] [2020-10-14 21:44:42,165 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:42,165 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:44:42,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086826305] [2020-10-14 21:44:42,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:44:42,166 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:42,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:44:42,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:44:42,167 INFO L87 Difference]: Start difference. First operand 3540 states and 3898 transitions. Second operand 7 states. [2020-10-14 21:44:43,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:43,788 INFO L93 Difference]: Finished difference Result 7820 states and 8789 transitions. [2020-10-14 21:44:43,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:44:43,789 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 870 [2020-10-14 21:44:43,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:43,804 INFO L225 Difference]: With dead ends: 7820 [2020-10-14 21:44:43,804 INFO L226 Difference]: Without dead ends: 4468 [2020-10-14 21:44:43,811 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:44:43,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4468 states. [2020-10-14 21:44:43,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4468 to 4466. [2020-10-14 21:44:43,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4466 states. [2020-10-14 21:44:43,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4466 states to 4466 states and 4916 transitions. [2020-10-14 21:44:43,885 INFO L78 Accepts]: Start accepts. Automaton has 4466 states and 4916 transitions. Word has length 870 [2020-10-14 21:44:43,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:43,886 INFO L479 AbstractCegarLoop]: Abstraction has 4466 states and 4916 transitions. [2020-10-14 21:44:43,886 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:44:43,886 INFO L276 IsEmpty]: Start isEmpty. Operand 4466 states and 4916 transitions. [2020-10-14 21:44:43,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 901 [2020-10-14 21:44:43,898 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:43,899 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:44:43,899 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 21:44:43,899 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:43,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:43,900 INFO L82 PathProgramCache]: Analyzing trace with hash -40435630, now seen corresponding path program 1 times [2020-10-14 21:44:43,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:43,900 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [60583779] [2020-10-14 21:44:43,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:44,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:44,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:44,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:45,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:49,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:49,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 922 [2020-10-14 21:44:49,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:44:49,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5098 [2020-10-14 21:44:49,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:49,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:49,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 21:44:49,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 607 [2020-10-14 21:44:49,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 276 [2020-10-14 21:44:49,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:49,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:49,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:49,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:49,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:49,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:49,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:44:49,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:49,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:49,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:49,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:49,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:49,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:49,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:49,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:49,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:49,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:44:49,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:49,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:44:49,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:49,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:49,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:49,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:49,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:49,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:49,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:44:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:49,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:49,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:49,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:44:49,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:49,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:44:49,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:49,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:49,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:49,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:49,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:49,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:49,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:44:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:49,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:49,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:49,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:44:49,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:49,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:44:49,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:49,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:49,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:49,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:49,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:49,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:49,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:44:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:49,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:49,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:49,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:44:49,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:49,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 21:44:49,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:49,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:49,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:49,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:49,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:49,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:49,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-10-14 21:44:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:49,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:49,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:49,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:44:49,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:49,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 21:44:49,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:49,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:49,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:49,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:49,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:44:49,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:49,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2020-10-14 21:44:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:49,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:49,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:49,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:44:49,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:49,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-14 21:44:49,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:49,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:49,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:44:49,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:49,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:44:49,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:49,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2020-10-14 21:44:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:49,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:50,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:50,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-14 21:44:50,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:50,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-14 21:44:50,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:50,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:50,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:50,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:50,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 21:44:50,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:50,490 INFO L134 CoverageAnalysis]: Checked inductivity of 2324 backedges. 1351 proven. 6 refuted. 0 times theorem prover too weak. 967 trivial. 0 not checked. [2020-10-14 21:44:50,490 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [60583779] [2020-10-14 21:44:50,490 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:50,491 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 21:44:50,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827479848] [2020-10-14 21:44:50,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 21:44:50,492 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:50,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 21:44:50,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-14 21:44:50,493 INFO L87 Difference]: Start difference. First operand 4466 states and 4916 transitions. Second operand 10 states. [2020-10-14 21:44:53,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:53,041 INFO L93 Difference]: Finished difference Result 10226 states and 11479 transitions. [2020-10-14 21:44:53,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 21:44:53,047 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 900 [2020-10-14 21:44:53,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:53,073 INFO L225 Difference]: With dead ends: 10226 [2020-10-14 21:44:53,073 INFO L226 Difference]: Without dead ends: 6132 [2020-10-14 21:44:53,083 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2020-10-14 21:44:53,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6132 states. [2020-10-14 21:44:53,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6132 to 6122. [2020-10-14 21:44:53,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6122 states. [2020-10-14 21:44:53,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6122 states to 6122 states and 6896 transitions. [2020-10-14 21:44:53,189 INFO L78 Accepts]: Start accepts. Automaton has 6122 states and 6896 transitions. Word has length 900 [2020-10-14 21:44:53,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:53,190 INFO L479 AbstractCegarLoop]: Abstraction has 6122 states and 6896 transitions. [2020-10-14 21:44:53,190 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 21:44:53,191 INFO L276 IsEmpty]: Start isEmpty. Operand 6122 states and 6896 transitions. [2020-10-14 21:44:53,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 987 [2020-10-14 21:44:53,205 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:53,206 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 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, 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] [2020-10-14 21:44:53,206 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 21:44:53,206 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:53,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:53,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1762663454, now seen corresponding path program 1 times [2020-10-14 21:44:53,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:53,207 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1895562176] [2020-10-14 21:44:53,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:53,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:53,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:53,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:54,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:54,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:55,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:58,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:58,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1008 [2020-10-14 21:44:58,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 21:44:58,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5050 [2020-10-14 21:44:58,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:58,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:58,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:58,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 529 [2020-10-14 21:44:58,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-14 21:44:58,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:58,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:58,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:58,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:58,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:58,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:58,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:44:58,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:58,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:58,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:58,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:58,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:58,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:58,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:58,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:58,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:58,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:58,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:44:58,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:58,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:44:58,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:58,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:58,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:58,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:58,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:58,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:58,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:44:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:58,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:58,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:58,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:44:58,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:58,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:44:58,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:58,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:58,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:58,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:58,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:58,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:58,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:44:58,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:58,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:58,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:58,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:44:58,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:58,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:44:58,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:58,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:58,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:58,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:58,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:58,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:58,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:44:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:58,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:58,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:58,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:44:58,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:58,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-14 21:44:58,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:58,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:58,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:58,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:58,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 172 [2020-10-14 21:44:58,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:58,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-10-14 21:44:58,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:58,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:59,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:59,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-14 21:44:59,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:59,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-10-14 21:44:59,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:59,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:59,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:59,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:59,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 163 [2020-10-14 21:44:59,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:59,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2020-10-14 21:44:59,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:59,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:59,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:59,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:44:59,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:59,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 21:44:59,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:59,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:59,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:59,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:44:59,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:59,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:59,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2020-10-14 21:44:59,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:59,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:59,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:59,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-14 21:44:59,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:59,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:44:59,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:59,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:59,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:59,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-14 21:44:59,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:59,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:59,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2620 backedges. 764 proven. 250 refuted. 0 times theorem prover too weak. 1606 trivial. 0 not checked. [2020-10-14 21:44:59,696 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1895562176] [2020-10-14 21:44:59,696 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:59,696 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:44:59,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974872359] [2020-10-14 21:44:59,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:44:59,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:59,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:44:59,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:44:59,698 INFO L87 Difference]: Start difference. First operand 6122 states and 6896 transitions. Second operand 7 states. [2020-10-14 21:45:01,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:01,304 INFO L93 Difference]: Finished difference Result 13160 states and 15015 transitions. [2020-10-14 21:45:01,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 21:45:01,305 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 986 [2020-10-14 21:45:01,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:01,327 INFO L225 Difference]: With dead ends: 13160 [2020-10-14 21:45:01,328 INFO L226 Difference]: Without dead ends: 7226 [2020-10-14 21:45:01,338 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-14 21:45:01,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7226 states. [2020-10-14 21:45:01,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7226 to 6860. [2020-10-14 21:45:01,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6860 states. [2020-10-14 21:45:01,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6860 states to 6860 states and 7619 transitions. [2020-10-14 21:45:01,455 INFO L78 Accepts]: Start accepts. Automaton has 6860 states and 7619 transitions. Word has length 986 [2020-10-14 21:45:01,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:01,456 INFO L479 AbstractCegarLoop]: Abstraction has 6860 states and 7619 transitions. [2020-10-14 21:45:01,456 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:45:01,456 INFO L276 IsEmpty]: Start isEmpty. Operand 6860 states and 7619 transitions. [2020-10-14 21:45:01,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1115 [2020-10-14 21:45:01,484 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:01,485 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2020-10-14 21:45:01,485 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 21:45:01,486 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:01,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:01,486 INFO L82 PathProgramCache]: Analyzing trace with hash -99521359, now seen corresponding path program 1 times [2020-10-14 21:45:01,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:01,488 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [694273128] [2020-10-14 21:45:01,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:01,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:02,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:03,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:06,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:06,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1138 [2020-10-14 21:45:06,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:45:06,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-14 21:45:06,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:06,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:06,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:06,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 821 [2020-10-14 21:45:06,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 21:45:06,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:06,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:06,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:06,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:06,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:06,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:06,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:45:06,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:06,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:06,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:06,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:06,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:06,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:06,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:06,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:06,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:06,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:06,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:45:06,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:06,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:45:06,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:06,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:06,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:06,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:06,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:06,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:06,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:45:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:06,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:06,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:06,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:45:06,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:06,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:45:06,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:06,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:06,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:06,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:06,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:06,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:06,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:45:06,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:06,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:06,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:06,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:45:06,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:06,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:45:06,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:06,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:06,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:06,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:06,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:06,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:06,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:45:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:06,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:07,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:07,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:45:07,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:07,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 21:45:07,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:07,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:07,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:07,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:07,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:07,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:07,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:45:07,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:07,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:07,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:07,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-14 21:45:07,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:07,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 21:45:07,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:07,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:07,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:07,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:07,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:07,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:07,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2020-10-14 21:45:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:07,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:07,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:07,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:45:07,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:07,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-14 21:45:07,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:07,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:07,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:07,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:07,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 21:45:07,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:07,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2020-10-14 21:45:07,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:07,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:07,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:07,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:45:07,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:07,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-14 21:45:07,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:07,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:07,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:07,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:07,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:45:07,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:07,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2020-10-14 21:45:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:07,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:07,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:07,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 21:45:07,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:07,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:45:07,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:07,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:07,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:07,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-14 21:45:07,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:07,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:08,099 INFO L134 CoverageAnalysis]: Checked inductivity of 3484 backedges. 1096 proven. 93 refuted. 0 times theorem prover too weak. 2295 trivial. 0 not checked. [2020-10-14 21:45:08,100 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [694273128] [2020-10-14 21:45:08,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:08,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:45:08,100 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871017997] [2020-10-14 21:45:08,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:45:08,102 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:08,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:45:08,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:45:08,102 INFO L87 Difference]: Start difference. First operand 6860 states and 7619 transitions. Second operand 8 states. [2020-10-14 21:45:10,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:10,380 INFO L93 Difference]: Finished difference Result 13540 states and 15057 transitions. [2020-10-14 21:45:10,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 21:45:10,385 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1114 [2020-10-14 21:45:10,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:10,403 INFO L225 Difference]: With dead ends: 13540 [2020-10-14 21:45:10,403 INFO L226 Difference]: Without dead ends: 6868 [2020-10-14 21:45:10,415 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-14 21:45:10,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6868 states. [2020-10-14 21:45:10,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6868 to 6316. [2020-10-14 21:45:10,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6316 states. [2020-10-14 21:45:10,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6316 states to 6316 states and 6823 transitions. [2020-10-14 21:45:10,520 INFO L78 Accepts]: Start accepts. Automaton has 6316 states and 6823 transitions. Word has length 1114 [2020-10-14 21:45:10,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:10,522 INFO L479 AbstractCegarLoop]: Abstraction has 6316 states and 6823 transitions. [2020-10-14 21:45:10,524 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:45:10,524 INFO L276 IsEmpty]: Start isEmpty. Operand 6316 states and 6823 transitions. [2020-10-14 21:45:10,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1537 [2020-10-14 21:45:10,553 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:10,556 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 7, 6, 6, 6, 6, 5, 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, 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] [2020-10-14 21:45:10,556 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 21:45:10,556 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:10,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:10,557 INFO L82 PathProgramCache]: Analyzing trace with hash -647802009, now seen corresponding path program 1 times [2020-10-14 21:45:10,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:10,558 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1495738907] [2020-10-14 21:45:10,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:11,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:12,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:13,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:14,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:14,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1568 [2020-10-14 21:45:14,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:45:14,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3280 [2020-10-14 21:45:14,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:14,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:14,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:45:14,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1432 [2020-10-14 21:45:14,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-14 21:45:14,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:14,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:14,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:14,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:14,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:14,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:14,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:14,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:45:14,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:14,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:14,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:14,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:14,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:14,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:14,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:14,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:14,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:14,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:45:14,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:14,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:45:14,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:14,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:14,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:14,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:14,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:14,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:14,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:45:14,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:14,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:14,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:14,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:45:14,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:14,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:45:14,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:14,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:14,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:14,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:14,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:14,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:14,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:45:14,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:14,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:14,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:14,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:45:14,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:14,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 21:45:14,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:14,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:14,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:14,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:14,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:14,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:14,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:45:14,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:14,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:14,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:14,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:45:14,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:14,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:45:14,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:14,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:14,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:14,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:14,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:14,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:14,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:45:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:14,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:14,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:14,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:45:14,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:14,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 21:45:14,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:14,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:14,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:14,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:14,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:14,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:14,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:45:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:14,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:14,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:14,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:45:14,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:14,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:45:14,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:14,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:14,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:14,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:14,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:14,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:14,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:45:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:14,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:14,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:14,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:45:14,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:14,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:45:14,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:14,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:14,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:14,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:14,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:14,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:14,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:45:14,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:14,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:14,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:14,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:45:14,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:14,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:45:14,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:14,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:14,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:14,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:14,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:14,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:14,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:45:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:14,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:14,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:14,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:45:14,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:14,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:45:14,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:14,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:14,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:14,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:14,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:14,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:14,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:45:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:14,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:14,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:14,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:45:14,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:14,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:45:14,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:14,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:14,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:14,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:14,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:14,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:14,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:45:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:15,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:15,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:15,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 21:45:15,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:15,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 21:45:15,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:15,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:15,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:15,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:15,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-14 21:45:15,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:15,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 21:45:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:15,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:15,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:15,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 21:45:15,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:15,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 21:45:15,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:15,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:15,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:15,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:15,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 21:45:15,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:16,007 INFO L134 CoverageAnalysis]: Checked inductivity of 7218 backedges. 1371 proven. 43 refuted. 0 times theorem prover too weak. 5804 trivial. 0 not checked. [2020-10-14 21:45:16,008 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1495738907] [2020-10-14 21:45:16,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:16,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 21:45:16,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915983604] [2020-10-14 21:45:16,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 21:45:16,010 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:16,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 21:45:16,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:45:16,010 INFO L87 Difference]: Start difference. First operand 6316 states and 6823 transitions. Second operand 6 states. [2020-10-14 21:45:17,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:17,290 INFO L93 Difference]: Finished difference Result 14096 states and 15429 transitions. [2020-10-14 21:45:17,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 21:45:17,291 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1536 [2020-10-14 21:45:17,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:17,325 INFO L225 Difference]: With dead ends: 14096 [2020-10-14 21:45:17,325 INFO L226 Difference]: Without dead ends: 8152 [2020-10-14 21:45:17,338 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:45:17,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8152 states. [2020-10-14 21:45:17,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8152 to 7784. [2020-10-14 21:45:17,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7784 states. [2020-10-14 21:45:17,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7784 states to 7784 states and 8475 transitions. [2020-10-14 21:45:17,468 INFO L78 Accepts]: Start accepts. Automaton has 7784 states and 8475 transitions. Word has length 1536 [2020-10-14 21:45:17,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:17,470 INFO L479 AbstractCegarLoop]: Abstraction has 7784 states and 8475 transitions. [2020-10-14 21:45:17,470 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 21:45:17,470 INFO L276 IsEmpty]: Start isEmpty. Operand 7784 states and 8475 transitions. [2020-10-14 21:45:17,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1609 [2020-10-14 21:45:17,506 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:17,507 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 6, 6, 6, 6, 6, 6, 5, 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, 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] [2020-10-14 21:45:17,507 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 21:45:17,507 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:17,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:17,508 INFO L82 PathProgramCache]: Analyzing trace with hash -1769963354, now seen corresponding path program 1 times [2020-10-14 21:45:17,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:17,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1204628097] [2020-10-14 21:45:17,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:17,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:17,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:18,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:19,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:20,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:21,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:23,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:23,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1642 [2020-10-14 21:45:23,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:45:23,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6162 [2020-10-14 21:45:23,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:23,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:23,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:23,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1506 [2020-10-14 21:45:23,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-14 21:45:23,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:24,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:24,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:24,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:24,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:24,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:24,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:45:24,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:24,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:24,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:24,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:24,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:24,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:24,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:24,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:24,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:24,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:45:24,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:24,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:45:24,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:24,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:24,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:24,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:24,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:24,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:24,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:45:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:24,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:24,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:24,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:45:24,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:24,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 21:45:24,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:24,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:24,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:24,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:24,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:24,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:24,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:45:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:24,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:24,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:24,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:45:24,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:24,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:45:24,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:24,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:24,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:24,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:24,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:24,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:24,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:45:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:24,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:24,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:24,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:45:24,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:24,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:45:24,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:24,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:24,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:24,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:24,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:24,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:24,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:45:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:24,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:24,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:24,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:45:24,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:24,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 21:45:24,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:24,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:24,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:24,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:24,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:24,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:24,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:45:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:24,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:24,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:24,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:45:24,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:24,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:45:24,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:24,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:24,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:24,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:24,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:24,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:24,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:45:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:24,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:24,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:24,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:45:24,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:24,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 21:45:24,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:24,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:24,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:24,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:24,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:24,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:24,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:45:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:24,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:24,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:24,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:45:24,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:24,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:45:24,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:24,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:24,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:24,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:24,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:24,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:24,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:45:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:24,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:24,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:24,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:45:24,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:24,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 21:45:24,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:24,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:24,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:24,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:24,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:24,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:24,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:45:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:24,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:24,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:24,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:45:24,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:24,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-14 21:45:24,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:24,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:24,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:24,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:24,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:24,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:25,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:45:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:25,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:25,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:25,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 21:45:25,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:25,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 21:45:25,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:25,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:25,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:25,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:25,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:25,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:45:25,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1408 [2020-10-14 21:45:25,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:25,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:25,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:25,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 21:45:25,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:25,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-14 21:45:25,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:25,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:25,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:25,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:25,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 21:45:25,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:25,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1482 [2020-10-14 21:45:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:25,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:25,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:25,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 21:45:25,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:25,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-14 21:45:25,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:25,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:25,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:25,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:25,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 21:45:25,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:27,188 INFO L134 CoverageAnalysis]: Checked inductivity of 8127 backedges. 1525 proven. 2 refuted. 0 times theorem prover too weak. 6600 trivial. 0 not checked. [2020-10-14 21:45:27,188 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1204628097] [2020-10-14 21:45:27,188 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:27,188 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:45:27,189 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773987960] [2020-10-14 21:45:27,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:45:27,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:27,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:45:27,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:45:27,191 INFO L87 Difference]: Start difference. First operand 7784 states and 8475 transitions. Second operand 7 states. [2020-10-14 21:45:28,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:28,787 INFO L93 Difference]: Finished difference Result 16330 states and 17926 transitions. [2020-10-14 21:45:28,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 21:45:28,788 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1608 [2020-10-14 21:45:28,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:28,809 INFO L225 Difference]: With dead ends: 16330 [2020-10-14 21:45:28,809 INFO L226 Difference]: Without dead ends: 7440 [2020-10-14 21:45:28,826 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:45:28,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7440 states. [2020-10-14 21:45:28,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7440 to 7220. [2020-10-14 21:45:28,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7220 states. [2020-10-14 21:45:28,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7220 states to 7220 states and 7754 transitions. [2020-10-14 21:45:28,958 INFO L78 Accepts]: Start accepts. Automaton has 7220 states and 7754 transitions. Word has length 1608 [2020-10-14 21:45:28,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:28,961 INFO L479 AbstractCegarLoop]: Abstraction has 7220 states and 7754 transitions. [2020-10-14 21:45:28,961 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:45:28,961 INFO L276 IsEmpty]: Start isEmpty. Operand 7220 states and 7754 transitions. [2020-10-14 21:45:29,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1640 [2020-10-14 21:45:29,014 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:29,015 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 7, 6, 6, 6, 6, 6, 6, 5, 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, 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] [2020-10-14 21:45:29,016 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 21:45:29,016 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:29,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:29,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1681523997, now seen corresponding path program 1 times [2020-10-14 21:45:29,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:29,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1626061076] [2020-10-14 21:45:29,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:29,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:30,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:31,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:33,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:34,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:34,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:34,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1673 [2020-10-14 21:45:34,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:45:34,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5070 [2020-10-14 21:45:34,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:34,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:34,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:34,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1430 [2020-10-14 21:45:34,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-14 21:45:34,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:34,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:34,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:34,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:34,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:34,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:34,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:45:34,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:34,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:34,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:34,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:34,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:34,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:34,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:34,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:34,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:34,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:45:34,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:34,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:45:34,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:34,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:34,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:34,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:34,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:34,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:34,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:45:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:34,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:34,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:34,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:45:34,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:34,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:45:34,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:34,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:34,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:34,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:34,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:34,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:34,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:45:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:34,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:34,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:34,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:45:34,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:34,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:45:34,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:34,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:34,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:34,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:34,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:34,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:34,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:45:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:34,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:34,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:34,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:45:34,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:34,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:45:34,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:34,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:34,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:34,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:34,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:34,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:34,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:45:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:34,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:34,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:34,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:45:34,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:34,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 21:45:34,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:34,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:34,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:34,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:34,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:34,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:34,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:45:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:34,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:34,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:34,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:45:34,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:34,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:45:34,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:34,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:34,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:34,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:34,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:34,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:34,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:45:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:34,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:34,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:34,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:45:34,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:34,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:45:34,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:34,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:34,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:34,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:34,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:34,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:34,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:45:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:34,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:34,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:34,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:45:34,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:34,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:45:34,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:34,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:34,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:34,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:34,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:34,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:34,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:45:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:34,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:34,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:34,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:45:34,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:34,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:45:34,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:34,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:34,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:34,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:34,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:34,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:34,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:45:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:34,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:34,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:34,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:45:34,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:34,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 21:45:34,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:34,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:34,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:34,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:34,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:34,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:35,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:45:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:35,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:35,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:35,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 21:45:35,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:35,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 21:45:35,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:35,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:35,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:35,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:35,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-14 21:45:35,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:35,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1408 [2020-10-14 21:45:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:35,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:35,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:35,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-14 21:45:35,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:35,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-14 21:45:35,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:35,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:35,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:35,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:35,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-14 21:45:35,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:35,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1513 [2020-10-14 21:45:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:35,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:35,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:35,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 21:45:35,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:35,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:45:35,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:35,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:35,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:35,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-14 21:45:35,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:35,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:36,296 INFO L134 CoverageAnalysis]: Checked inductivity of 8435 backedges. 1592 proven. 93 refuted. 0 times theorem prover too weak. 6750 trivial. 0 not checked. [2020-10-14 21:45:36,296 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1626061076] [2020-10-14 21:45:36,296 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:36,296 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:45:36,297 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451002527] [2020-10-14 21:45:36,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:45:36,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:36,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:45:36,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:45:36,299 INFO L87 Difference]: Start difference. First operand 7220 states and 7754 transitions. Second operand 7 states. [2020-10-14 21:45:37,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:37,826 INFO L93 Difference]: Finished difference Result 15376 states and 16649 transitions. [2020-10-14 21:45:37,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:45:37,828 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1639 [2020-10-14 21:45:37,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:37,842 INFO L225 Difference]: With dead ends: 15376 [2020-10-14 21:45:37,843 INFO L226 Difference]: Without dead ends: 6688 [2020-10-14 21:45:37,853 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:45:37,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6688 states. [2020-10-14 21:45:37,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6688 to 5554. [2020-10-14 21:45:37,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5554 states. [2020-10-14 21:45:37,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5554 states to 5554 states and 5794 transitions. [2020-10-14 21:45:37,970 INFO L78 Accepts]: Start accepts. Automaton has 5554 states and 5794 transitions. Word has length 1639 [2020-10-14 21:45:37,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:37,972 INFO L479 AbstractCegarLoop]: Abstraction has 5554 states and 5794 transitions. [2020-10-14 21:45:37,972 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:45:37,972 INFO L276 IsEmpty]: Start isEmpty. Operand 5554 states and 5794 transitions. [2020-10-14 21:45:38,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1914 [2020-10-14 21:45:38,023 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:38,024 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 8, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2020-10-14 21:45:38,024 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 21:45:38,024 INFO L427 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:38,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:38,025 INFO L82 PathProgramCache]: Analyzing trace with hash 943293345, now seen corresponding path program 1 times [2020-10-14 21:45:38,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:38,026 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1630274062] [2020-10-14 21:45:38,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:38,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:38,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:38,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:39,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:43,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:43,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:43,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1951 [2020-10-14 21:45:43,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:45:43,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5299 [2020-10-14 21:45:43,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:43,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:43,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:43,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1634 [2020-10-14 21:45:43,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 21:45:43,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:43,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:43,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:43,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:43,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:43,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:43,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:45:43,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:43,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:43,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:43,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:43,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:43,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:43,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:43,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:43,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:43,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:43,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:45:43,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:43,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:45:43,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:43,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:43,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:43,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:43,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:43,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:43,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:45:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:43,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:43,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:43,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:45:43,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:43,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:45:43,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:43,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:43,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:43,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:43,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:43,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:43,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:45:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:43,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:43,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:43,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:45:43,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:43,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:45:43,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:43,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:43,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:43,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:43,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:43,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:43,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:45:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:43,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:44,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:44,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:45:44,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:44,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:45:44,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:44,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:44,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:44,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:44,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:44,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:44,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:45:44,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:44,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:44,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:44,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:45:44,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:44,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:45:44,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:44,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:44,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:44,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:44,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:44,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:44,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:45:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:44,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:44,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:44,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:45:44,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:44,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:45:44,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:44,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:44,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:44,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:44,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:44,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:44,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:45:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:44,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:44,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:44,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:45:44,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:44,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:45:44,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:44,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:44,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:44,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:44,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:44,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:44,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:45:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:44,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:44,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:44,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:45:44,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:44,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:45:44,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:44,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:44,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:44,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:44,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:44,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:44,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:45:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:44,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:44,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:44,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:45:44,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:44,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:45:44,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:44,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:44,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:44,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:44,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:44,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:44,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:45:44,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:44,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:44,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:44,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:45:44,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:44,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 21:45:44,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:44,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:44,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:44,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:44,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:44,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:44,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:45:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:44,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:44,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:44,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 21:45:44,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:44,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:45:44,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:44,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:44,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:44,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:44,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:44,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:44,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 21:45:44,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:44,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:44,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:44,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:45:44,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:44,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:45:44,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:44,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:44,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:44,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:44,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:44,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:44,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1496 [2020-10-14 21:45:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:44,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:44,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:44,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 21:45:44,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:44,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 21:45:44,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:44,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:44,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:44,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:44,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-14 21:45:44,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:44,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1608 [2020-10-14 21:45:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:44,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:44,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:44,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:45:44,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:44,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 206 [2020-10-14 21:45:44,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:44,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:44,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:44,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:44,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:45:44,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:44,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1787 [2020-10-14 21:45:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:44,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:45,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:45,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 21:45:45,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:45,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-14 21:45:45,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:45,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:45,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:45,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-14 21:45:45,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:45,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:46,516 INFO L134 CoverageAnalysis]: Checked inductivity of 11365 backedges. 2165 proven. 93 refuted. 0 times theorem prover too weak. 9107 trivial. 0 not checked. [2020-10-14 21:45:46,517 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1630274062] [2020-10-14 21:45:46,517 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:46,517 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:45:46,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715340271] [2020-10-14 21:45:46,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:45:46,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:46,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:45:46,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:45:46,519 INFO L87 Difference]: Start difference. First operand 5554 states and 5794 transitions. Second operand 7 states. [2020-10-14 21:45:47,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:47,959 INFO L93 Difference]: Finished difference Result 9462 states and 9883 transitions. [2020-10-14 21:45:47,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 21:45:47,960 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1913 [2020-10-14 21:45:47,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:47,962 INFO L225 Difference]: With dead ends: 9462 [2020-10-14 21:45:47,962 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 21:45:47,970 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:45:47,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 21:45:47,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 21:45:47,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 21:45:47,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 21:45:47,971 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1913 [2020-10-14 21:45:47,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:47,971 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 21:45:47,971 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:45:47,971 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 21:45:47,971 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 21:45:47,972 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 21:45:47,974 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 21:45:49,171 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 234 [2020-10-14 21:45:49,625 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 234 [2020-10-14 21:45:52,231 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 280 DAG size of output: 108 [2020-10-14 21:45:54,081 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 244 DAG size of output: 80 [2020-10-14 21:45:55,868 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 244 DAG size of output: 80 [2020-10-14 21:45:55,873 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 21:45:55,874 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-10-14 21:45:55,874 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 21:45:55,874 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-14 21:45:55,874 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-14 21:45:55,875 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,875 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,875 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,875 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-14 21:45:55,875 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 21:45:55,875 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 21:45:55,875 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 21:45:55,876 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-14 21:45:55,876 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-14 21:45:55,876 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-14 21:45:55,876 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-14 21:45:55,876 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,876 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,876 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,876 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-14 21:45:55,876 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-14 21:45:55,876 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 21:45:55,876 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 21:45:55,876 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 21:45:55,877 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-14 21:45:55,877 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-14 21:45:55,877 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-14 21:45:55,877 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,877 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,877 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,877 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-14 21:45:55,877 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 21:45:55,877 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 21:45:55,877 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 21:45:55,878 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-14 21:45:55,878 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-14 21:45:55,878 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-14 21:45:55,878 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-14 21:45:55,878 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-14 21:45:55,878 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,878 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,878 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,878 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-14 21:45:55,878 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 21:45:55,879 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 21:45:55,879 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 21:45:55,879 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-14 21:45:55,879 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-14 21:45:55,879 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-14 21:45:55,879 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,879 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,879 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,879 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-14 21:45:55,880 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 21:45:55,880 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 21:45:55,880 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 21:45:55,880 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-14 21:45:55,880 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-14 21:45:55,880 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-14 21:45:55,880 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-14 21:45:55,880 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-14 21:45:55,880 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,881 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,881 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,881 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,881 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-14 21:45:55,881 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 21:45:55,881 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 21:45:55,881 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 21:45:55,881 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-14 21:45:55,881 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-14 21:45:55,882 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-14 21:45:55,882 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-14 21:45:55,882 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,882 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,882 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,882 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 21:45:55,882 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 21:45:55,882 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 21:45:55,882 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-14 21:45:55,882 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-14 21:45:55,883 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-14 21:45:55,883 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-14 21:45:55,883 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-14 21:45:55,883 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,883 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,883 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,883 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-14 21:45:55,883 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-14 21:45:55,883 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 21:45:55,883 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 21:45:55,883 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 21:45:55,884 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-14 21:45:55,884 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse10 (= ~a24~0 1)) (.cse25 (= 6 |old(~a15~0)|)) (.cse22 (= ~a21~0 8)) (.cse12 (= ~a15~0 |old(~a15~0)|)) (.cse23 (= ~a24~0 |old(~a24~0)|)) (.cse9 (= ~a21~0 |old(~a21~0)|)) (.cse17 (= ~a15~0 8)) (.cse11 (= ~a12~0 |old(~a12~0)|))) (let ((.cse6 (and .cse23 .cse9 .cse17 .cse11)) (.cse19 (not (<= 0 (+ |old(~a12~0)| 2)))) (.cse2 (not (= 9 |old(~a15~0)|))) (.cse13 (not (<= |old(~a12~0)| 2))) (.cse0 (and .cse23 .cse22 .cse11 .cse12)) (.cse3 (not (<= 19 |old(~a12~0)|))) (.cse14 (not .cse25)) (.cse1 (not (= 8 |old(~a21~0)|))) (.cse16 (not (<= |old(~a12~0)| 73282))) (.cse20 (not (= 7 |old(~a21~0)|))) (.cse21 (and .cse17 .cse10 .cse11 (= 7 ~a21~0))) (.cse8 (not (= |old(~a24~0)| 1))) (.cse4 (not (<= 10 |old(~a21~0)|))) (.cse5 (not (= 8 |old(~a15~0)|))) (.cse18 (and .cse9 .cse17 .cse10 .cse11)) (.cse26 (not (<= (+ |old(~a12~0)| 49) 0))) (.cse24 (not (<= |old(~a15~0)| 7))) (.cse15 (and .cse23 .cse9 .cse11 .cse12)) (.cse7 (not (<= 9 |old(~a21~0)|)))) (and (or .cse0 .cse1 .cse2 (not (<= (+ |old(~a12~0)| 526767) 0))) (or .cse3 .cse4 .cse5 .cse6) (or (not (<= 23 |old(~a12~0)|)) .cse5 .cse7 .cse6 (not (<= |old(~a12~0)| 76))) (or .cse8 .cse4 (and .cse9 .cse10 .cse11 .cse12) .cse2 .cse13) (or .cse14 .cse15 .cse16 .cse7) (or .cse3 .cse15 .cse2) (or .cse3 .cse8 .cse5 (and .cse17 (= ~a21~0 6) .cse10 .cse11) (not (= 6 |old(~a21~0)|))) (or .cse8 .cse5 .cse7 .cse18 .cse19 .cse13) (or .cse20 .cse21 .cse8 .cse5 .cse19 .cse13) (or .cse8 .cse1 .cse2 (and .cse10 .cse22 .cse11 .cse12) .cse13) (or .cse3 .cse1 .cse16 .cse5 (and .cse23 .cse17 .cse22 .cse11)) (or (and (or .cse24 .cse25) (or .cse24 (not (<= |old(~a21~0)| 7)))) .cse15) (or .cse0 .cse3 .cse14 .cse1 .cse16) (or .cse20 .cse8 .cse21 .cse5 .cse26) (or .cse8 .cse4 .cse5 .cse18 .cse26) (or .cse24 (not (<= |old(~a21~0)| 9)) .cse15 .cse7)))) [2020-10-14 21:45:55,884 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-14 21:45:55,884 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-14 21:45:55,885 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,885 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,885 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,885 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 21:45:55,885 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 21:45:55,885 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 21:45:55,885 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-14 21:45:55,885 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-14 21:45:55,886 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-14 21:45:55,886 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-14 21:45:55,886 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-14 21:45:55,886 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,886 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,886 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,886 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-14 21:45:55,886 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-14 21:45:55,886 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 21:45:55,886 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 21:45:55,887 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 21:45:55,887 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-14 21:45:55,887 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-14 21:45:55,887 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-14 21:45:55,887 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,887 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,887 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,887 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-14 21:45:55,887 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 21:45:55,887 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 21:45:55,887 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 21:45:55,888 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-14 21:45:55,888 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-14 21:45:55,888 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-14 21:45:55,888 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-14 21:45:55,888 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,888 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,888 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,888 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-14 21:45:55,888 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 21:45:55,888 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 21:45:55,889 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 21:45:55,889 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-14 21:45:55,889 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-14 21:45:55,889 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-14 21:45:55,889 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-14 21:45:55,889 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,889 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,889 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-14 21:45:55,889 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 21:45:55,889 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 21:45:55,889 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-14 21:45:55,890 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-14 21:45:55,890 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-14 21:45:55,890 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-14 21:45:55,890 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-14 21:45:55,890 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 106) no Hoare annotation was computed. [2020-10-14 21:45:55,890 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,890 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,890 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-14 21:45:55,890 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 21:45:55,891 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 21:45:55,891 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-14 21:45:55,891 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-14 21:45:55,891 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-14 21:45:55,891 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,891 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,891 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-14 21:45:55,891 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-14 21:45:55,891 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 21:45:55,891 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 21:45:55,891 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-14 21:45:55,891 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-14 21:45:55,891 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-14 21:45:55,891 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-14 21:45:55,891 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,891 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,892 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-14 21:45:55,892 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-14 21:45:55,892 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 21:45:55,892 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 21:45:55,892 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-14 21:45:55,892 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-14 21:45:55,892 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-14 21:45:55,892 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,892 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,892 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,892 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-14 21:45:55,892 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-14 21:45:55,892 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 21:45:55,892 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 21:45:55,892 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-14 21:45:55,892 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-14 21:45:55,893 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,893 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,893 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 21:45:55,893 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,893 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-14 21:45:55,893 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-14 21:45:55,893 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-14 21:45:55,893 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 21:45:55,893 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 21:45:55,893 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 21:45:55,893 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-14 21:45:55,893 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-14 21:45:55,893 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-14 21:45:55,893 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-14 21:45:55,893 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,893 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,894 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,894 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-14 21:45:55,894 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 21:45:55,894 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 21:45:55,894 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 21:45:55,894 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-14 21:45:55,894 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-14 21:45:55,894 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-14 21:45:55,894 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-14 21:45:55,894 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,894 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,894 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,894 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-14 21:45:55,894 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-14 21:45:55,894 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 21:45:55,895 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 21:45:55,895 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 21:45:55,895 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-14 21:45:55,895 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-14 21:45:55,895 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-14 21:45:55,895 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,895 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,895 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,895 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-14 21:45:55,895 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 21:45:55,895 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 21:45:55,895 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 21:45:55,895 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-14 21:45:55,895 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-14 21:45:55,895 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-14 21:45:55,896 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-14 21:45:55,896 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-14 21:45:55,896 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,896 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,896 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:55,896 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-14 21:45:55,896 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 21:45:55,896 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 21:45:55,896 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 21:45:55,896 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-14 21:45:55,896 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 21:45:55,896 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= (+ ~a12~0 49) 0) (= ~a15~0 8) (= ~a24~0 1) (= 7 ~a21~0)) [2020-10-14 21:45:55,896 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 21:45:55,897 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 21:45:55,897 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (not (= |old(~a24~0)| 1)) (and (= ~a15~0 8) (= ~a24~0 1) (= ~a12~0 |old(~a12~0)|) (= 7 ~a21~0)) (not (= 8 |old(~a15~0)|)) (not (<= (+ |old(~a12~0)| 49) 0))) [2020-10-14 21:45:55,897 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-14 21:45:55,897 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse10 (= ~a15~0 6))) (let ((.cse6 (<= ~a12~0 73282)) (.cse11 (or .cse10 (= ~a15~0 |old(~a15~0)|))) (.cse12 (<= 0 (+ ~a12~0 2))) (.cse2 (= ~a12~0 |old(~a12~0)|)) (.cse14 (= 7 ~a21~0)) (.cse4 (= ~a15~0 8)) (.cse7 (<= 19 ~a12~0)) (.cse3 (<= 9 ~a21~0)) (.cse13 (<= ~a15~0 7)) (.cse9 (<= ~a12~0 2)) (.cse0 (= ~a24~0 1)) (.cse1 (<= 10 ~a21~0)) (.cse5 (= ~a21~0 8)) (.cse8 (= ~a15~0 9))) (or (and .cse0 .cse1 .cse2 (<= ~a15~0 |old(~a15~0)|)) (and .cse3 (<= 23 ~a12~0) .cse4 (<= ~a12~0 76)) (and .cse4 .cse5 .cse6 .cse7) (not (= |old(~a24~0)| 1)) (and .cse8 .cse7) (and .cse9 .cse0 .cse5 .cse8) (and .cse1 .cse10 .cse6) (not (= 8 |old(~a15~0)|)) (and .cse3 .cse9 .cse11 .cse0 .cse12) (and .cse6 .cse10 .cse7) (not (<= (+ |old(~a12~0)| 49) 0)) (and .cse4 (= ~a21~0 6) .cse0 .cse7) (and .cse13 (not .cse10)) (not (= 7 |old(~a21~0)|)) (and .cse9 .cse11 .cse0 .cse14 .cse12) (and .cse4 .cse0 .cse2 .cse14) (and .cse4 .cse1 .cse7) (and .cse3 (<= ~a21~0 9) .cse10) (and (<= ~a21~0 7) .cse13) (and .cse9 .cse0 .cse1 .cse8) (and .cse5 .cse8 (<= (+ ~a12~0 526767) 0))))) [2020-10-14 21:45:55,897 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-14 21:45:55,898 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-14 21:45:55,898 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse10 (= ~a15~0 6))) (let ((.cse6 (<= ~a12~0 73282)) (.cse11 (or .cse10 (= ~a15~0 |old(~a15~0)|))) (.cse12 (<= 0 (+ ~a12~0 2))) (.cse2 (= ~a12~0 |old(~a12~0)|)) (.cse14 (= 7 ~a21~0)) (.cse4 (= ~a15~0 8)) (.cse7 (<= 19 ~a12~0)) (.cse3 (<= 9 ~a21~0)) (.cse13 (<= ~a15~0 7)) (.cse9 (<= ~a12~0 2)) (.cse0 (= ~a24~0 1)) (.cse1 (<= 10 ~a21~0)) (.cse5 (= ~a21~0 8)) (.cse8 (= ~a15~0 9))) (or (and .cse0 .cse1 .cse2 (<= ~a15~0 |old(~a15~0)|)) (and .cse3 (<= 23 ~a12~0) .cse4 (<= ~a12~0 76)) (and .cse4 .cse5 .cse6 .cse7) (not (= |old(~a24~0)| 1)) (and .cse8 .cse7) (and .cse9 .cse0 .cse5 .cse8) (and .cse1 .cse10 .cse6) (not (= 8 |old(~a15~0)|)) (and .cse3 .cse9 .cse11 .cse0 .cse12) (and .cse6 .cse10 .cse7) (not (<= (+ |old(~a12~0)| 49) 0)) (and .cse4 (= ~a21~0 6) .cse0 .cse7) (and .cse13 (not .cse10)) (not (= 7 |old(~a21~0)|)) (and .cse9 .cse11 .cse0 .cse14 .cse12) (and .cse4 .cse0 .cse2 .cse14) (and .cse4 .cse1 .cse7) (and .cse3 (<= ~a21~0 9) .cse10) (and (<= ~a21~0 7) .cse13) (and .cse9 .cse0 .cse1 .cse8) (and .cse5 .cse8 (<= (+ ~a12~0 526767) 0))))) [2020-10-14 21:45:55,898 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-14 21:45:55,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 09:45:55 BoogieIcfgContainer [2020-10-14 21:45:55,924 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 21:45:55,926 INFO L168 Benchmark]: Toolchain (without parser) took 151418.81 ms. Allocated memory was 147.3 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 102.2 MB in the beginning and 768.9 MB in the end (delta: -666.6 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2020-10-14 21:45:55,926 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.5 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-14 21:45:55,927 INFO L168 Benchmark]: CACSL2BoogieTranslator took 843.15 ms. Allocated memory was 147.3 MB in the beginning and 208.1 MB in the end (delta: 60.8 MB). Free memory was 101.8 MB in the beginning and 171.6 MB in the end (delta: -69.8 MB). Peak memory consumption was 37.0 MB. Max. memory is 7.1 GB. [2020-10-14 21:45:55,928 INFO L168 Benchmark]: Boogie Preprocessor took 154.47 ms. Allocated memory is still 208.1 MB. Free memory was 171.6 MB in the beginning and 165.5 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. [2020-10-14 21:45:55,928 INFO L168 Benchmark]: RCFGBuilder took 1495.89 ms. Allocated memory was 208.1 MB in the beginning and 237.5 MB in the end (delta: 29.4 MB). Free memory was 165.5 MB in the beginning and 153.7 MB in the end (delta: 11.8 MB). Peak memory consumption was 77.7 MB. Max. memory is 7.1 GB. [2020-10-14 21:45:55,929 INFO L168 Benchmark]: TraceAbstraction took 148919.47 ms. Allocated memory was 237.5 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 153.7 MB in the beginning and 768.9 MB in the end (delta: -615.2 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2020-10-14 21:45:55,932 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.5 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 843.15 ms. Allocated memory was 147.3 MB in the beginning and 208.1 MB in the end (delta: 60.8 MB). Free memory was 101.8 MB in the beginning and 171.6 MB in the end (delta: -69.8 MB). Peak memory consumption was 37.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 154.47 ms. Allocated memory is still 208.1 MB. Free memory was 171.6 MB in the beginning and 165.5 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1495.89 ms. Allocated memory was 208.1 MB in the beginning and 237.5 MB in the end (delta: 29.4 MB). Free memory was 165.5 MB in the beginning and 153.7 MB in the end (delta: 11.8 MB). Peak memory consumption was 77.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 148919.47 ms. Allocated memory was 237.5 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 153.7 MB in the beginning and 768.9 MB in the end (delta: -615.2 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 106]: 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: 880]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((a24 == 1 && 10 <= a21) && a12 == \old(a12)) && a15 <= \old(a15)) || (((9 <= a21 && 23 <= a12) && a15 == 8) && a12 <= 76)) || (((a15 == 8 && a21 == 8) && a12 <= 73282) && 19 <= a12)) || !(\old(a24) == 1)) || (a15 == 9 && 19 <= a12)) || (((a12 <= 2 && a24 == 1) && a21 == 8) && a15 == 9)) || ((10 <= a21 && a15 == 6) && a12 <= 73282)) || !(8 == \old(a15))) || ((((9 <= a21 && a12 <= 2) && (a15 == 6 || a15 == \old(a15))) && a24 == 1) && 0 <= a12 + 2)) || ((a12 <= 73282 && a15 == 6) && 19 <= a12)) || !(\old(a12) + 49 <= 0)) || (((a15 == 8 && a21 == 6) && a24 == 1) && 19 <= a12)) || (a15 <= 7 && !(a15 == 6))) || !(7 == \old(a21))) || ((((a12 <= 2 && (a15 == 6 || a15 == \old(a15))) && a24 == 1) && 7 == a21) && 0 <= a12 + 2)) || (((a15 == 8 && a24 == 1) && a12 == \old(a12)) && 7 == a21)) || ((a15 == 8 && 10 <= a21) && 19 <= a12)) || ((9 <= a21 && a21 <= 9) && a15 == 6)) || (a21 <= 7 && a15 <= 7)) || (((a12 <= 2 && a24 == 1) && 10 <= a21) && a15 == 9)) || ((a21 == 8 && a15 == 9) && a12 + 526767 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 140.8s, OverallIterations: 20, TraceHistogramMax: 16, AutomataDifference: 38.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 576 SDtfs, 11936 SDslu, 748 SDs, 0 SdLazy, 24648 SolverSat, 3101 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 546 GetRequests, 347 SyntacticMatches, 1 SemanticMatches, 198 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7784occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 20 MinimizatonAttempts, 3816 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 407 PreInvPairs, 515 NumberOfFragments, 1012 HoareAnnotationTreeSize, 407 FomulaSimplifications, 60364 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 16746 FormulaSimplificationTreeSizeReductionInter, 6.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 89.2s InterpolantComputationTime, 14531 NumberOfCodeBlocks, 14531 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 14511 ConstructedInterpolants, 0 QuantifiedInterpolants, 25519341 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 4 PerfectInterpolantSequences, 51609/52868 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...