/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label27.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 20:53:00,156 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 20:53:00,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 20:53:00,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 20:53:00,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 20:53:00,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 20:53:00,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 20:53:00,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 20:53:00,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 20:53:00,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 20:53:00,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 20:53:00,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 20:53:00,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 20:53:00,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 20:53:00,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 20:53:00,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 20:53:00,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 20:53:00,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 20:53:00,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 20:53:00,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 20:53:00,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 20:53:00,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 20:53:00,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 20:53:00,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 20:53:00,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 20:53:00,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 20:53:00,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 20:53:00,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 20:53:00,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 20:53:00,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 20:53:00,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 20:53:00,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 20:53:00,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 20:53:00,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 20:53:00,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 20:53:00,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 20:53:00,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 20:53:00,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 20:53:00,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 20:53:00,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 20:53:00,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 20:53:00,218 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 20:53:00,240 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 20:53:00,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 20:53:00,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 20:53:00,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 20:53:00,242 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 20:53:00,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 20:53:00,243 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 20:53:00,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 20:53:00,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 20:53:00,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 20:53:00,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 20:53:00,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 20:53:00,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 20:53:00,244 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 20:53:00,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 20:53:00,244 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 20:53:00,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 20:53:00,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 20:53:00,245 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 20:53:00,245 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 20:53:00,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 20:53:00,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 20:53:00,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 20:53:00,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 20:53:00,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 20:53:00,246 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 20:53:00,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 20:53:00,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 20:53:00,247 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 20:53:00,247 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 20:53:00,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 20:53:00,592 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 20:53:00,595 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 20:53:00,605 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 20:53:00,606 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 20:53:00,606 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label27.c [2020-10-14 20:53:00,680 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c9f7f04f/4db0dfe845954e7893d68a774d685824/FLAG4423f0ca9 [2020-10-14 20:53:01,270 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 20:53:01,271 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label27.c [2020-10-14 20:53:01,286 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c9f7f04f/4db0dfe845954e7893d68a774d685824/FLAG4423f0ca9 [2020-10-14 20:53:01,511 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c9f7f04f/4db0dfe845954e7893d68a774d685824 [2020-10-14 20:53:01,523 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 20:53:01,526 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 20:53:01,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 20:53:01,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 20:53:01,532 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 20:53:01,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:53:01" (1/1) ... [2020-10-14 20:53:01,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d8f1a14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:01, skipping insertion in model container [2020-10-14 20:53:01,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:53:01" (1/1) ... [2020-10-14 20:53:01,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 20:53:01,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 20:53:02,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:53:02,018 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 20:53:02,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:53:02,357 INFO L208 MainTranslator]: Completed translation [2020-10-14 20:53:02,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:02 WrapperNode [2020-10-14 20:53:02,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 20:53:02,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 20:53:02,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 20:53:02,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 20:53:02,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:02" (1/1) ... [2020-10-14 20:53:02,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:02" (1/1) ... [2020-10-14 20:53:02,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:02" (1/1) ... [2020-10-14 20:53:02,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:02" (1/1) ... [2020-10-14 20:53:02,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:02" (1/1) ... [2020-10-14 20:53:02,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:02" (1/1) ... [2020-10-14 20:53:02,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:02" (1/1) ... [2020-10-14 20:53:02,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 20:53:02,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 20:53:02,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 20:53:02,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 20:53:02,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:02" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 20:53:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 20:53:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 20:53:02,591 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 20:53:02,591 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 20:53:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 20:53:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 20:53:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 20:53:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 20:53:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 20:53:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 20:53:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 20:53:04,076 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 20:53:04,077 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 20:53:04,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:53:04 BoogieIcfgContainer [2020-10-14 20:53:04,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 20:53:04,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 20:53:04,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 20:53:04,089 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 20:53:04,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:53:01" (1/3) ... [2020-10-14 20:53:04,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7713ef86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:53:04, skipping insertion in model container [2020-10-14 20:53:04,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:02" (2/3) ... [2020-10-14 20:53:04,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7713ef86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:53:04, skipping insertion in model container [2020-10-14 20:53:04,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:53:04" (3/3) ... [2020-10-14 20:53:04,093 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label27.c [2020-10-14 20:53:04,104 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 20:53:04,115 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 20:53:04,137 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 20:53:04,165 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 20:53:04,165 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 20:53:04,165 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 20:53:04,166 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 20:53:04,166 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 20:53:04,166 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 20:53:04,166 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 20:53:04,166 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 20:53:04,194 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-14 20:53:04,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-14 20:53:04,205 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:04,207 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:53:04,207 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:04,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:04,214 INFO L82 PathProgramCache]: Analyzing trace with hash 215216599, now seen corresponding path program 1 times [2020-10-14 20:53:04,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:04,224 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1604119789] [2020-10-14 20:53:04,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:04,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:04,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:04,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:04,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 20:53:04,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:04,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 390 [2020-10-14 20:53:04,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:04,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:04,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:53:04,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:53:04,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 20:53:04,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 20:53:04,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:05,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:05,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:05,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:05,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:05,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 20:53:05,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:05,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:05,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:05,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:05,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:53:05,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:05,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:53:05,063 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1604119789] [2020-10-14 20:53:05,065 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:53:05,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 20:53:05,067 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144735054] [2020-10-14 20:53:05,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 20:53:05,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:05,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 20:53:05,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 20:53:05,096 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-10-14 20:53:06,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:06,723 INFO L93 Difference]: Finished difference Result 581 states and 1007 transitions. [2020-10-14 20:53:06,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:53:06,725 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 66 [2020-10-14 20:53:06,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:06,753 INFO L225 Difference]: With dead ends: 581 [2020-10-14 20:53:06,753 INFO L226 Difference]: Without dead ends: 302 [2020-10-14 20:53:06,764 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:53:06,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-14 20:53:06,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-10-14 20:53:06,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-14 20:53:06,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 448 transitions. [2020-10-14 20:53:06,839 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 448 transitions. Word has length 66 [2020-10-14 20:53:06,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:06,840 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 448 transitions. [2020-10-14 20:53:06,840 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 20:53:06,841 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 448 transitions. [2020-10-14 20:53:06,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-14 20:53:06,847 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:06,848 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:53:06,848 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 20:53:06,848 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:06,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:06,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1317905407, now seen corresponding path program 1 times [2020-10-14 20:53:06,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:06,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [307283314] [2020-10-14 20:53:06,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:06,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:07,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:08,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:08,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:08,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-14 20:53:08,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:53:08,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1543 [2020-10-14 20:53:08,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:08,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:08,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:08,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-14 20:53:08,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:53:08,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 20:53:08,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:08,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:08,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:08,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:08,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:08,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:53:08,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:08,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:08,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:08,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:08,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:08,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:08,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:08,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:08,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:08,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:08,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 20:53:08,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:08,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-14 20:53:08,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:08,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:08,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:08,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:08,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 20:53:08,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-14 20:53:08,731 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:53:08,732 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [307283314] [2020-10-14 20:53:08,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:53:08,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:53:08,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573333790] [2020-10-14 20:53:08,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:53:08,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:08,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:53:08,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:53:08,737 INFO L87 Difference]: Start difference. First operand 296 states and 448 transitions. Second operand 5 states. [2020-10-14 20:53:10,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:10,350 INFO L93 Difference]: Finished difference Result 737 states and 1125 transitions. [2020-10-14 20:53:10,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:53:10,351 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 139 [2020-10-14 20:53:10,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:10,355 INFO L225 Difference]: With dead ends: 737 [2020-10-14 20:53:10,356 INFO L226 Difference]: Without dead ends: 302 [2020-10-14 20:53:10,358 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:53:10,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-14 20:53:10,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-10-14 20:53:10,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-14 20:53:10,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 430 transitions. [2020-10-14 20:53:10,383 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 430 transitions. Word has length 139 [2020-10-14 20:53:10,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:10,384 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 430 transitions. [2020-10-14 20:53:10,384 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:53:10,384 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 430 transitions. [2020-10-14 20:53:10,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-14 20:53:10,388 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:10,388 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:53:10,388 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 20:53:10,388 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:10,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:10,389 INFO L82 PathProgramCache]: Analyzing trace with hash -292389630, now seen corresponding path program 1 times [2020-10-14 20:53:10,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:10,390 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [129315425] [2020-10-14 20:53:10,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:10,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:10,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:10,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:11,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:11,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-14 20:53:11,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:53:11,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1374 [2020-10-14 20:53:11,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:11,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:11,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:53:11,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:53:11,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-14 20:53:11,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:11,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:11,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:11,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:11,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:11,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:11,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 20:53:11,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:11,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:11,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:11,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:11,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:53:11,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 20:53:11,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:11,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:11,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:11,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 20:53:11,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:11,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-14 20:53:11,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:11,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:11,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:11,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:53:11,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 20:53:11,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:12,080 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:53:12,081 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [129315425] [2020-10-14 20:53:12,081 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:53:12,081 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 20:53:12,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224496268] [2020-10-14 20:53:12,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:53:12,084 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:12,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:53:12,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:53:12,085 INFO L87 Difference]: Start difference. First operand 296 states and 430 transitions. Second operand 7 states. [2020-10-14 20:53:13,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:13,581 INFO L93 Difference]: Finished difference Result 896 states and 1327 transitions. [2020-10-14 20:53:13,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:53:13,582 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 148 [2020-10-14 20:53:13,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:13,590 INFO L225 Difference]: With dead ends: 896 [2020-10-14 20:53:13,591 INFO L226 Difference]: Without dead ends: 606 [2020-10-14 20:53:13,592 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 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 20:53:13,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2020-10-14 20:53:13,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 447. [2020-10-14 20:53:13,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2020-10-14 20:53:13,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 605 transitions. [2020-10-14 20:53:13,648 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 605 transitions. Word has length 148 [2020-10-14 20:53:13,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:13,649 INFO L479 AbstractCegarLoop]: Abstraction has 447 states and 605 transitions. [2020-10-14 20:53:13,649 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:53:13,649 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 605 transitions. [2020-10-14 20:53:13,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-10-14 20:53:13,661 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:13,663 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:53:13,664 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 20:53:13,664 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:13,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:13,664 INFO L82 PathProgramCache]: Analyzing trace with hash -944693710, now seen corresponding path program 1 times [2020-10-14 20:53:13,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:13,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1305575710] [2020-10-14 20:53:13,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:13,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:13,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:14,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:15,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:15,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-14 20:53:15,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:53:15,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1327 [2020-10-14 20:53:15,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:15,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:15,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:53:15,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:53:15,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 20:53:15,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:15,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:15,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:15,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:15,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:15,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:15,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 20:53:15,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:15,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:15,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:15,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:15,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:53:15,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:15,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:15,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:15,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:15,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-14 20:53:15,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:15,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-10-14 20:53:15,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:15,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:15,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:15,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:53:15,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-14 20:53:15,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:15,433 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:53:15,434 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1305575710] [2020-10-14 20:53:15,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:53:15,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 20:53:15,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515877773] [2020-10-14 20:53:15,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:53:15,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:15,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:53:15,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:53:15,437 INFO L87 Difference]: Start difference. First operand 447 states and 605 transitions. Second operand 8 states. [2020-10-14 20:53:17,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:17,177 INFO L93 Difference]: Finished difference Result 1202 states and 1650 transitions. [2020-10-14 20:53:17,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:53:17,178 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 188 [2020-10-14 20:53:17,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:17,189 INFO L225 Difference]: With dead ends: 1202 [2020-10-14 20:53:17,190 INFO L226 Difference]: Without dead ends: 761 [2020-10-14 20:53:17,192 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-14 20:53:17,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2020-10-14 20:53:17,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 743. [2020-10-14 20:53:17,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 743 states. [2020-10-14 20:53:17,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 939 transitions. [2020-10-14 20:53:17,243 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 939 transitions. Word has length 188 [2020-10-14 20:53:17,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:17,245 INFO L479 AbstractCegarLoop]: Abstraction has 743 states and 939 transitions. [2020-10-14 20:53:17,245 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:53:17,245 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 939 transitions. [2020-10-14 20:53:17,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-14 20:53:17,249 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:17,249 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 20:53:17,250 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 20:53:17,250 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:17,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:17,251 INFO L82 PathProgramCache]: Analyzing trace with hash 414214213, now seen corresponding path program 1 times [2020-10-14 20:53:17,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:17,251 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [499377817] [2020-10-14 20:53:17,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:17,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:17,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:18,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:18,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:18,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-14 20:53:18,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:53:18,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1354 [2020-10-14 20:53:18,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:18,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:18,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:18,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 20:53:18,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 20:53:18,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:18,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:18,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:18,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:18,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:18,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:18,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 20:53:18,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:18,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:18,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:18,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:18,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:18,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:18,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:18,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:18,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:18,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:53:18,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:18,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 20:53:18,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:18,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:18,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:18,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:18,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:53:18,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 20:53:18,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 20:53:18,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:18,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:18,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:18,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 20:53:18,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:18,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-14 20:53:18,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:18,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:18,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:18,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:53:18,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 20:53:18,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:19,041 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 185 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:53:19,042 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [499377817] [2020-10-14 20:53:19,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:53:19,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:53:19,042 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856925109] [2020-10-14 20:53:19,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:53:19,043 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:19,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:53:19,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:53:19,044 INFO L87 Difference]: Start difference. First operand 743 states and 939 transitions. Second operand 7 states. [2020-10-14 20:53:20,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:20,600 INFO L93 Difference]: Finished difference Result 1806 states and 2338 transitions. [2020-10-14 20:53:20,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:53:20,601 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 218 [2020-10-14 20:53:20,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:20,608 INFO L225 Difference]: With dead ends: 1806 [2020-10-14 20:53:20,609 INFO L226 Difference]: Without dead ends: 1069 [2020-10-14 20:53:20,612 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:53:20,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1069 states. [2020-10-14 20:53:20,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1069 to 1045. [2020-10-14 20:53:20,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1045 states. [2020-10-14 20:53:20,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1297 transitions. [2020-10-14 20:53:20,660 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1297 transitions. Word has length 218 [2020-10-14 20:53:20,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:20,661 INFO L479 AbstractCegarLoop]: Abstraction has 1045 states and 1297 transitions. [2020-10-14 20:53:20,661 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:53:20,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1297 transitions. [2020-10-14 20:53:20,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-10-14 20:53:20,666 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:20,666 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:53:20,666 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 20:53:20,667 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:20,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:20,667 INFO L82 PathProgramCache]: Analyzing trace with hash 2088529380, now seen corresponding path program 1 times [2020-10-14 20:53:20,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:20,668 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [112678584] [2020-10-14 20:53:20,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:20,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:20,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:21,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:22,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:24,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:24,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-14 20:53:24,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:53:24,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3415 [2020-10-14 20:53:24,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:24,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:24,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:24,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-14 20:53:24,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 20:53:24,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:24,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:24,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:24,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:24,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:24,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:24,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:24,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:53:24,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:24,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:24,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:24,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:24,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:24,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:24,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:24,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:24,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:24,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:24,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 20:53:24,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:24,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-14 20:53:24,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:24,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:24,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:24,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:24,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-14 20:53:24,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:24,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 20:53:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:24,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:24,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:24,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 20:53:24,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:24,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-14 20:53:24,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:24,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:24,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:24,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:53:24,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 20:53:24,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:24,498 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 192 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:53:24,498 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [112678584] [2020-10-14 20:53:24,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:53:24,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:53:24,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276254086] [2020-10-14 20:53:24,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:53:24,500 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:24,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:53:24,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:53:24,501 INFO L87 Difference]: Start difference. First operand 1045 states and 1297 transitions. Second operand 7 states. [2020-10-14 20:53:26,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:26,675 INFO L93 Difference]: Finished difference Result 2394 states and 3040 transitions. [2020-10-14 20:53:26,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:53:26,676 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 225 [2020-10-14 20:53:26,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:26,683 INFO L225 Difference]: With dead ends: 2394 [2020-10-14 20:53:26,684 INFO L226 Difference]: Without dead ends: 1355 [2020-10-14 20:53:26,687 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 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 20:53:26,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1355 states. [2020-10-14 20:53:26,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1355 to 1196. [2020-10-14 20:53:26,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1196 states. [2020-10-14 20:53:26,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1196 states and 1477 transitions. [2020-10-14 20:53:26,727 INFO L78 Accepts]: Start accepts. Automaton has 1196 states and 1477 transitions. Word has length 225 [2020-10-14 20:53:26,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:26,728 INFO L479 AbstractCegarLoop]: Abstraction has 1196 states and 1477 transitions. [2020-10-14 20:53:26,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:53:26,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1477 transitions. [2020-10-14 20:53:26,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-10-14 20:53:26,733 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:26,733 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:53:26,734 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 20:53:26,734 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:26,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:26,734 INFO L82 PathProgramCache]: Analyzing trace with hash 1157466864, now seen corresponding path program 1 times [2020-10-14 20:53:26,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:26,735 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [56481515] [2020-10-14 20:53:26,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:26,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:26,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:26,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:29,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:31,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:31,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-10-14 20:53:31,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:53:31,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4428 [2020-10-14 20:53:31,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:31,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:31,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:31,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-14 20:53:31,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 20:53:31,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:31,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:31,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:31,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:31,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:31,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:31,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:53:31,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:31,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:31,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:31,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:31,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:31,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:31,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:31,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:31,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:31,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 20:53:31,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:31,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-14 20:53:31,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:31,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:31,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:31,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:31,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-14 20:53:31,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:31,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-14 20:53:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:31,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:31,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:31,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 20:53:31,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:31,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-14 20:53:31,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:31,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:31,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:31,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:53:31,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 20:53:31,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:31,664 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 197 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:53:31,665 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [56481515] [2020-10-14 20:53:31,665 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:53:31,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:53:31,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961792146] [2020-10-14 20:53:31,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:53:31,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:31,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:53:31,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:53:31,669 INFO L87 Difference]: Start difference. First operand 1196 states and 1477 transitions. Second operand 7 states. [2020-10-14 20:53:33,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:33,510 INFO L93 Difference]: Finished difference Result 3282 states and 4127 transitions. [2020-10-14 20:53:33,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 20:53:33,514 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 235 [2020-10-14 20:53:33,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:33,526 INFO L225 Difference]: With dead ends: 3282 [2020-10-14 20:53:33,527 INFO L226 Difference]: Without dead ends: 2092 [2020-10-14 20:53:33,531 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-14 20:53:33,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2092 states. [2020-10-14 20:53:33,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2092 to 2072. [2020-10-14 20:53:33,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2072 states. [2020-10-14 20:53:33,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2072 states to 2072 states and 2468 transitions. [2020-10-14 20:53:33,595 INFO L78 Accepts]: Start accepts. Automaton has 2072 states and 2468 transitions. Word has length 235 [2020-10-14 20:53:33,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:33,596 INFO L479 AbstractCegarLoop]: Abstraction has 2072 states and 2468 transitions. [2020-10-14 20:53:33,596 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:53:33,596 INFO L276 IsEmpty]: Start isEmpty. Operand 2072 states and 2468 transitions. [2020-10-14 20:53:33,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-14 20:53:33,602 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:33,602 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 20:53:33,603 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 20:53:33,603 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:33,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:33,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1548783812, now seen corresponding path program 1 times [2020-10-14 20:53:33,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:33,604 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [443233006] [2020-10-14 20:53:33,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:33,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:33,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:33,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:34,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:35,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:35,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-14 20:53:35,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:53:35,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1847 [2020-10-14 20:53:35,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:35,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:35,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:53:35,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:53:35,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 20:53:35,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:35,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:35,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:35,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:35,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:35,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:35,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 20:53:35,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:35,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:35,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:35,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:35,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:53:35,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:35,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:35,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:35,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:35,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 20:53:35,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:35,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-14 20:53:35,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:35,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:35,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:35,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:53:35,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 20:53:35,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:35,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 20:53:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:35,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:35,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:35,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-14 20:53:35,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:35,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 20:53:35,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:35,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:35,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:35,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-14 20:53:35,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:35,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:35,899 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 118 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 20:53:35,900 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [443233006] [2020-10-14 20:53:35,900 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:53:35,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:53:35,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568627678] [2020-10-14 20:53:35,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:53:35,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:35,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:53:35,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:53:35,903 INFO L87 Difference]: Start difference. First operand 2072 states and 2468 transitions. Second operand 7 states. [2020-10-14 20:53:37,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:37,271 INFO L93 Difference]: Finished difference Result 4301 states and 5118 transitions. [2020-10-14 20:53:37,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 20:53:37,273 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 241 [2020-10-14 20:53:37,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:37,284 INFO L225 Difference]: With dead ends: 4301 [2020-10-14 20:53:37,285 INFO L226 Difference]: Without dead ends: 2235 [2020-10-14 20:53:37,291 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-14 20:53:37,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2235 states. [2020-10-14 20:53:37,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2235 to 2219. [2020-10-14 20:53:37,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2219 states. [2020-10-14 20:53:37,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 2219 states and 2623 transitions. [2020-10-14 20:53:37,373 INFO L78 Accepts]: Start accepts. Automaton has 2219 states and 2623 transitions. Word has length 241 [2020-10-14 20:53:37,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:37,373 INFO L479 AbstractCegarLoop]: Abstraction has 2219 states and 2623 transitions. [2020-10-14 20:53:37,373 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:53:37,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2219 states and 2623 transitions. [2020-10-14 20:53:37,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2020-10-14 20:53:37,382 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:37,382 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, 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, 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] [2020-10-14 20:53:37,383 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 20:53:37,383 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:37,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:37,383 INFO L82 PathProgramCache]: Analyzing trace with hash 436471905, now seen corresponding path program 1 times [2020-10-14 20:53:37,384 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:37,384 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [839387710] [2020-10-14 20:53:37,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:37,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:37,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:37,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:39,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:39,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 325 [2020-10-14 20:53:39,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:53:39,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1996 [2020-10-14 20:53:39,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:39,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:39,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:39,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 259 [2020-10-14 20:53:39,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:53:39,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:39,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:39,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:39,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:39,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:39,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:39,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 20:53:39,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:39,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:39,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:39,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:39,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:39,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:39,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:39,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:39,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:39,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:53:39,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:39,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 20:53:39,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:39,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:39,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:39,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:39,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:39,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:39,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 20:53:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:39,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:39,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:39,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 20:53:39,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:39,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 20:53:39,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:39,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:39,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:39,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:39,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:39,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:39,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-14 20:53:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:39,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:39,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:39,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-14 20:53:39,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:39,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-14 20:53:39,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:39,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:39,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:39,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:39,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 20:53:39,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:39,966 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 180 proven. 3 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2020-10-14 20:53:39,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [839387710] [2020-10-14 20:53:39,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:53:39,974 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:53:39,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14788287] [2020-10-14 20:53:39,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:53:39,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:39,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:53:39,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:53:39,977 INFO L87 Difference]: Start difference. First operand 2219 states and 2623 transitions. Second operand 5 states. [2020-10-14 20:53:41,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:41,414 INFO L93 Difference]: Finished difference Result 5171 states and 6268 transitions. [2020-10-14 20:53:41,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:53:41,415 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 311 [2020-10-14 20:53:41,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:41,429 INFO L225 Difference]: With dead ends: 5171 [2020-10-14 20:53:41,430 INFO L226 Difference]: Without dead ends: 3101 [2020-10-14 20:53:41,436 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:53:41,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3101 states. [2020-10-14 20:53:41,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3101 to 2813. [2020-10-14 20:53:41,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2813 states. [2020-10-14 20:53:41,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 3419 transitions. [2020-10-14 20:53:41,531 INFO L78 Accepts]: Start accepts. Automaton has 2813 states and 3419 transitions. Word has length 311 [2020-10-14 20:53:41,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:41,532 INFO L479 AbstractCegarLoop]: Abstraction has 2813 states and 3419 transitions. [2020-10-14 20:53:41,532 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:53:41,532 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 3419 transitions. [2020-10-14 20:53:41,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2020-10-14 20:53:41,542 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:41,542 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, 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, 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] [2020-10-14 20:53:41,542 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 20:53:41,543 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:41,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:41,544 INFO L82 PathProgramCache]: Analyzing trace with hash 15849396, now seen corresponding path program 1 times [2020-10-14 20:53:41,544 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:41,544 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [92764769] [2020-10-14 20:53:41,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:41,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:41,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:41,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:43,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:45,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:45,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 328 [2020-10-14 20:53:45,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:53:45,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4004 [2020-10-14 20:53:45,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:45,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:45,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:45,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 20:53:45,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-14 20:53:45,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:45,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:45,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:45,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:45,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:45,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:45,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:53:45,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:45,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:45,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:45,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:45,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:45,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:45,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:45,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:45,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:45,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:53:45,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:45,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 20:53:45,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:45,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:45,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:45,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:45,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:53:45,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:45,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 20:53:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:45,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:45,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:45,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 20:53:45,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:45,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-14 20:53:45,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:45,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:45,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:45,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:53:45,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-14 20:53:45,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:45,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-14 20:53:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:45,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:45,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:45,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 20:53:45,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:45,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 20:53:45,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:45,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:45,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:45,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 20:53:45,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:45,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:45,986 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 248 proven. 81 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-14 20:53:45,986 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [92764769] [2020-10-14 20:53:45,986 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:53:45,986 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:53:45,987 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733892336] [2020-10-14 20:53:45,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:53:45,988 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:45,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:53:45,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:53:45,988 INFO L87 Difference]: Start difference. First operand 2813 states and 3419 transitions. Second operand 7 states. [2020-10-14 20:53:47,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:47,620 INFO L93 Difference]: Finished difference Result 6117 states and 7719 transitions. [2020-10-14 20:53:47,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:53:47,621 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 314 [2020-10-14 20:53:47,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:47,640 INFO L225 Difference]: With dead ends: 6117 [2020-10-14 20:53:47,640 INFO L226 Difference]: Without dead ends: 3453 [2020-10-14 20:53:47,648 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 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 20:53:47,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3453 states. [2020-10-14 20:53:47,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3453 to 3248. [2020-10-14 20:53:47,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3248 states. [2020-10-14 20:53:47,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3248 states to 3248 states and 3891 transitions. [2020-10-14 20:53:47,757 INFO L78 Accepts]: Start accepts. Automaton has 3248 states and 3891 transitions. Word has length 314 [2020-10-14 20:53:47,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:47,757 INFO L479 AbstractCegarLoop]: Abstraction has 3248 states and 3891 transitions. [2020-10-14 20:53:47,758 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:53:47,758 INFO L276 IsEmpty]: Start isEmpty. Operand 3248 states and 3891 transitions. [2020-10-14 20:53:47,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2020-10-14 20:53:47,769 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:47,770 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, 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, 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] [2020-10-14 20:53:47,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 20:53:47,770 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:47,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:47,771 INFO L82 PathProgramCache]: Analyzing trace with hash 71656167, now seen corresponding path program 1 times [2020-10-14 20:53:47,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:47,771 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [969573197] [2020-10-14 20:53:47,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:48,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:48,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:48,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:50,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:52,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:52,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 373 [2020-10-14 20:53:52,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:53:52,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4279 [2020-10-14 20:53:52,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:52,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:52,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:52,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 223 [2020-10-14 20:53:52,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 20:53:52,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:52,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:52,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:52,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:52,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:52,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:52,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:53:52,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:52,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:52,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:52,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:52,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:52,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:52,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:52,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:52,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:52,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:53:52,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:52,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 20:53:52,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:52,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:52,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:52,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:52,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:52,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:52,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:53:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:52,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:52,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:52,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 20:53:52,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:52,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 20:53:52,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:52,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:52,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:52,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:52,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-14 20:53:52,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:52,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-14 20:53:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:52,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:52,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:52,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 20:53:52,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:52,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-14 20:53:52,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:52,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:52,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:52,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:53:52,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 20:53:52,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:52,611 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 340 proven. 2 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-10-14 20:53:52,611 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [969573197] [2020-10-14 20:53:52,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:53:52,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:53:52,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15575546] [2020-10-14 20:53:52,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:53:52,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:52,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:53:52,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:53:52,614 INFO L87 Difference]: Start difference. First operand 3248 states and 3891 transitions. Second operand 7 states. [2020-10-14 20:53:54,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:54,223 INFO L93 Difference]: Finished difference Result 7074 states and 8612 transitions. [2020-10-14 20:53:54,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:53:54,229 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 359 [2020-10-14 20:53:54,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:54,246 INFO L225 Difference]: With dead ends: 7074 [2020-10-14 20:53:54,246 INFO L226 Difference]: Without dead ends: 3975 [2020-10-14 20:53:54,254 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:53:54,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3975 states. [2020-10-14 20:53:54,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3975 to 3828. [2020-10-14 20:53:54,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3828 states. [2020-10-14 20:53:54,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3828 states to 3828 states and 4650 transitions. [2020-10-14 20:53:54,345 INFO L78 Accepts]: Start accepts. Automaton has 3828 states and 4650 transitions. Word has length 359 [2020-10-14 20:53:54,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:54,346 INFO L479 AbstractCegarLoop]: Abstraction has 3828 states and 4650 transitions. [2020-10-14 20:53:54,346 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:53:54,347 INFO L276 IsEmpty]: Start isEmpty. Operand 3828 states and 4650 transitions. [2020-10-14 20:53:54,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2020-10-14 20:53:54,359 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:54,359 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:53:54,359 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 20:53:54,360 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:54,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:54,360 INFO L82 PathProgramCache]: Analyzing trace with hash 2004127531, now seen corresponding path program 1 times [2020-10-14 20:53:54,360 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:54,360 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [755765887] [2020-10-14 20:53:54,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:54,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:54,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:54,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:55,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:56,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:56,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 387 [2020-10-14 20:53:56,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:53:56,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2475 [2020-10-14 20:53:56,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:56,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:56,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:53:56,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 20:53:56,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 197 [2020-10-14 20:53:56,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:56,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:56,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:56,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:56,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:56,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:56,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 20:53:56,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:56,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:56,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:56,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:56,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:56,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:56,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:57,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:57,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:57,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:53:57,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:57,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-14 20:53:57,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:57,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:57,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:57,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:57,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-14 20:53:57,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:57,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:53:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:57,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:57,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:57,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 20:53:57,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:57,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 20:53:57,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:57,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:57,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:57,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:53:57,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 20:53:57,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:57,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-14 20:53:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:57,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:57,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:57,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-14 20:53:57,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:57,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-14 20:53:57,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:57,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:57,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:57,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:53:57,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-14 20:53:57,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:57,391 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 423 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-14 20:53:57,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [755765887] [2020-10-14 20:53:57,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:53:57,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:53:57,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550274598] [2020-10-14 20:53:57,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:53:57,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:57,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:53:57,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:53:57,394 INFO L87 Difference]: Start difference. First operand 3828 states and 4650 transitions. Second operand 8 states. [2020-10-14 20:53:59,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:59,083 INFO L93 Difference]: Finished difference Result 8099 states and 9881 transitions. [2020-10-14 20:53:59,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:53:59,084 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 373 [2020-10-14 20:53:59,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:59,102 INFO L225 Difference]: With dead ends: 8099 [2020-10-14 20:53:59,103 INFO L226 Difference]: Without dead ends: 4420 [2020-10-14 20:53:59,112 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2020-10-14 20:53:59,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4420 states. [2020-10-14 20:53:59,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4420 to 4416. [2020-10-14 20:53:59,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4416 states. [2020-10-14 20:53:59,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4416 states to 4416 states and 5326 transitions. [2020-10-14 20:53:59,223 INFO L78 Accepts]: Start accepts. Automaton has 4416 states and 5326 transitions. Word has length 373 [2020-10-14 20:53:59,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:59,224 INFO L479 AbstractCegarLoop]: Abstraction has 4416 states and 5326 transitions. [2020-10-14 20:53:59,224 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:53:59,224 INFO L276 IsEmpty]: Start isEmpty. Operand 4416 states and 5326 transitions. [2020-10-14 20:53:59,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2020-10-14 20:53:59,241 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:59,241 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, 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, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:53:59,242 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 20:53:59,242 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:59,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:59,243 INFO L82 PathProgramCache]: Analyzing trace with hash 694933234, now seen corresponding path program 1 times [2020-10-14 20:53:59,243 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:59,243 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1968111010] [2020-10-14 20:53:59,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:59,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:59,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:59,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:59,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 400 [2020-10-14 20:53:59,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:53:59,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 611 [2020-10-14 20:53:59,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:59,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:59,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:59,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 334 [2020-10-14 20:53:59,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:53:59,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:00,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:00,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:00,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:00,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:00,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:00,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 20:54:00,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:00,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:00,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:00,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:00,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:00,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:00,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:00,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:00,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:00,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:54:00,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:00,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 20:54:00,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:00,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:00,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:00,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:00,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:00,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:00,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:54:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:00,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:00,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:00,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-14 20:54:00,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:00,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 20:54:00,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:00,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:00,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:00,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:00,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:00,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:00,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-14 20:54:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:00,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:00,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:00,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-14 20:54:00,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:00,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-14 20:54:00,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:00,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:00,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:00,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:00,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-14 20:54:00,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:00,266 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 180 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-10-14 20:54:00,266 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1968111010] [2020-10-14 20:54:00,266 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:00,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:54:00,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999289480] [2020-10-14 20:54:00,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:54:00,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:00,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:54:00,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:54:00,268 INFO L87 Difference]: Start difference. First operand 4416 states and 5326 transitions. Second operand 5 states. [2020-10-14 20:54:01,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:01,505 INFO L93 Difference]: Finished difference Result 5288 states and 6430 transitions. [2020-10-14 20:54:01,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:54:01,506 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 386 [2020-10-14 20:54:01,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:01,527 INFO L225 Difference]: With dead ends: 5288 [2020-10-14 20:54:01,528 INFO L226 Difference]: Without dead ends: 5286 [2020-10-14 20:54:01,531 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:54:01,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5286 states. [2020-10-14 20:54:01,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5286 to 5143. [2020-10-14 20:54:01,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5143 states. [2020-10-14 20:54:01,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5143 states to 5143 states and 6271 transitions. [2020-10-14 20:54:01,654 INFO L78 Accepts]: Start accepts. Automaton has 5143 states and 6271 transitions. Word has length 386 [2020-10-14 20:54:01,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:01,655 INFO L479 AbstractCegarLoop]: Abstraction has 5143 states and 6271 transitions. [2020-10-14 20:54:01,655 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:54:01,655 INFO L276 IsEmpty]: Start isEmpty. Operand 5143 states and 6271 transitions. [2020-10-14 20:54:01,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2020-10-14 20:54:01,673 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:01,674 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:54:01,674 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 20:54:01,674 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:01,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:01,675 INFO L82 PathProgramCache]: Analyzing trace with hash 832028093, now seen corresponding path program 1 times [2020-10-14 20:54:01,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:01,675 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1228963053] [2020-10-14 20:54:01,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:01,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:02,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:02,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:02,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 405 [2020-10-14 20:54:02,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:54:02,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 791 [2020-10-14 20:54:02,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:02,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:02,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:02,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 339 [2020-10-14 20:54:02,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:54:02,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:02,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:02,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:02,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:02,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:02,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:02,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:02,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 20:54:02,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:02,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:02,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:02,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:02,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:02,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:02,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:02,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:02,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:02,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:54:02,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:02,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 20:54:02,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:02,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:02,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:02,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:02,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:02,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:02,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:54:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:02,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:02,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:02,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-14 20:54:02,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:02,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 20:54:02,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:02,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:02,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:02,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:02,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:02,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:02,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-14 20:54:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:02,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:02,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:02,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 20:54:02,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:02,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-14 20:54:02,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:02,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:02,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:02,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:02,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 20:54:02,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:02,877 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 180 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-10-14 20:54:02,878 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1228963053] [2020-10-14 20:54:02,878 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:02,878 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:54:02,878 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389027290] [2020-10-14 20:54:02,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:54:02,879 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:02,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:54:02,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:54:02,879 INFO L87 Difference]: Start difference. First operand 5143 states and 6271 transitions. Second operand 5 states. [2020-10-14 20:54:04,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:04,068 INFO L93 Difference]: Finished difference Result 10137 states and 12392 transitions. [2020-10-14 20:54:04,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:54:04,075 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 391 [2020-10-14 20:54:04,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:04,091 INFO L225 Difference]: With dead ends: 10137 [2020-10-14 20:54:04,091 INFO L226 Difference]: Without dead ends: 5143 [2020-10-14 20:54:04,104 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:54:04,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5143 states. [2020-10-14 20:54:04,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5143 to 5000. [2020-10-14 20:54:04,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5000 states. [2020-10-14 20:54:04,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5000 states to 5000 states and 5840 transitions. [2020-10-14 20:54:04,209 INFO L78 Accepts]: Start accepts. Automaton has 5000 states and 5840 transitions. Word has length 391 [2020-10-14 20:54:04,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:04,210 INFO L479 AbstractCegarLoop]: Abstraction has 5000 states and 5840 transitions. [2020-10-14 20:54:04,211 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:54:04,211 INFO L276 IsEmpty]: Start isEmpty. Operand 5000 states and 5840 transitions. [2020-10-14 20:54:04,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2020-10-14 20:54:04,231 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:04,232 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:54:04,232 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 20:54:04,232 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:04,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:04,233 INFO L82 PathProgramCache]: Analyzing trace with hash -693140638, now seen corresponding path program 1 times [2020-10-14 20:54:04,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:04,234 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [748917476] [2020-10-14 20:54:04,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:04,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:04,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:05,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:05,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 420 [2020-10-14 20:54:05,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:54:05,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 712 [2020-10-14 20:54:05,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:05,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:05,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:05,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 354 [2020-10-14 20:54:05,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:54:05,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:05,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:05,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:05,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:05,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:05,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:05,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 20:54:05,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:05,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:05,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:05,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:05,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:05,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:05,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:05,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:05,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:05,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:05,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 20:54:05,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:05,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 20:54:05,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:05,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:05,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:05,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:05,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:05,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:05,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 20:54:05,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:05,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:05,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:05,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-14 20:54:05,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:05,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 20:54:05,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:05,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:05,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:05,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:05,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:05,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:05,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-10-14 20:54:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:05,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:05,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:05,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 20:54:05,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:05,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 20:54:05,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:05,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:05,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:05,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:05,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 20:54:05,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:05,414 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 180 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-10-14 20:54:05,414 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [748917476] [2020-10-14 20:54:05,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:05,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 20:54:05,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185763193] [2020-10-14 20:54:05,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 20:54:05,415 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:05,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 20:54:05,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:54:05,416 INFO L87 Difference]: Start difference. First operand 5000 states and 5840 transitions. Second operand 6 states. [2020-10-14 20:54:06,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:06,959 INFO L93 Difference]: Finished difference Result 9847 states and 11521 transitions. [2020-10-14 20:54:06,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 20:54:06,963 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 406 [2020-10-14 20:54:06,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:06,964 INFO L225 Difference]: With dead ends: 9847 [2020-10-14 20:54:06,964 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 20:54:06,980 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:54:06,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 20:54:06,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 20:54:06,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 20:54:06,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 20:54:06,981 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 406 [2020-10-14 20:54:06,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:06,982 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 20:54:06,982 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 20:54:06,982 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 20:54:06,982 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 20:54:06,982 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 20:54:06,985 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 20:54:07,700 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 115 [2020-10-14 20:54:07,988 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 115 [2020-10-14 20:54:08,947 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 62 [2020-10-14 20:54:09,390 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 46 [2020-10-14 20:54:09,802 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 46 [2020-10-14 20:54:09,806 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 20:54:09,807 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-14 20:54:09,807 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 20:54:09,807 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-14 20:54:09,808 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,808 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,808 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,808 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,808 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,808 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,808 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-14 20:54:09,808 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-14 20:54:09,809 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 20:54:09,809 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 20:54:09,809 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 20:54:09,809 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 20:54:09,809 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 20:54:09,809 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 20:54:09,809 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-14 20:54:09,809 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-14 20:54:09,809 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-14 20:54:09,810 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,810 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,810 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,810 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,810 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,810 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-14 20:54:09,810 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-14 20:54:09,810 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-14 20:54:09,810 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-14 20:54:09,810 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 20:54:09,810 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 20:54:09,810 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 20:54:09,810 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 20:54:09,811 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 20:54:09,811 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-14 20:54:09,811 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-14 20:54:09,811 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-14 20:54:09,811 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-14 20:54:09,811 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 184) no Hoare annotation was computed. [2020-10-14 20:54:09,811 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-14 20:54:09,811 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,811 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,811 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,811 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,811 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,811 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-14 20:54:09,812 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 20:54:09,812 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 20:54:09,812 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 20:54:09,812 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 20:54:09,812 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 20:54:09,812 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-14 20:54:09,812 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-14 20:54:09,812 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-14 20:54:09,812 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-14 20:54:09,812 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,812 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,813 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,813 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,813 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,813 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-14 20:54:09,813 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-14 20:54:09,813 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-14 20:54:09,813 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 20:54:09,813 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 20:54:09,813 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 20:54:09,814 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 20:54:09,814 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 20:54:09,814 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-14 20:54:09,814 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-14 20:54:09,814 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-14 20:54:09,814 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-14 20:54:09,814 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-14 20:54:09,814 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,814 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,815 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,815 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,815 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,815 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 20:54:09,815 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 20:54:09,815 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 20:54:09,815 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 20:54:09,815 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 20:54:09,815 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-14 20:54:09,815 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-14 20:54:09,815 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-14 20:54:09,815 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-14 20:54:09,815 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,816 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,816 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,816 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,816 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,816 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,816 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,816 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-14 20:54:09,816 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-14 20:54:09,816 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-14 20:54:09,816 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-14 20:54:09,816 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 20:54:09,816 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 20:54:09,816 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 20:54:09,816 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 20:54:09,816 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 20:54:09,817 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-14 20:54:09,817 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-14 20:54:09,817 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-14 20:54:09,817 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-14 20:54:09,817 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,817 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,817 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,817 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,817 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 20:54:09,817 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,817 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,817 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-14 20:54:09,817 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-14 20:54:09,817 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-14 20:54:09,817 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 20:54:09,818 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 20:54:09,818 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 20:54:09,818 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 20:54:09,818 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 20:54:09,818 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 20:54:09,818 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-14 20:54:09,818 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-14 20:54:09,818 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-14 20:54:09,818 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-14 20:54:09,818 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,818 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,818 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,818 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,818 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,818 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,819 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-14 20:54:09,819 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-14 20:54:09,819 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-14 20:54:09,819 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 20:54:09,819 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 20:54:09,819 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 20:54:09,819 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 20:54:09,819 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 20:54:09,819 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 20:54:09,819 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-14 20:54:09,819 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-14 20:54:09,820 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse6 (= ~a1~0 |old(~a1~0)|)) (.cse7 (= ~a10~0 |old(~a10~0)|))) (let ((.cse3 (not (<= |old(~a1~0)| 32))) (.cse4 (and (<= 9 ~a19~0) (<= ~a19~0 9) .cse6 .cse7)) (.cse5 (not (<= 9 |old(~a19~0)|))) (.cse2 (= 2 |old(~a10~0)|)) (.cse0 (and .cse6 (= ~a19~0 |old(~a19~0)|) .cse7)) (.cse1 (not (<= |old(~a19~0)| 9)))) (and (or (not (<= 4 |old(~a10~0)|)) .cse0 (not (<= (+ |old(~a1~0)| 75821) 0)) .cse1) (or .cse0 .cse1 (not .cse2) .cse3 (not (<= 0 |old(~a1~0)|))) (or .cse4 .cse5 .cse1 .cse3) (or .cse0 (not (= 8 |old(~a19~0)|))) (or .cse0 (not (<= |old(~a10~0)| 1))) (or .cse4 .cse5 .cse1 .cse2) (or (not (<= 117 |old(~a1~0)|)) .cse0 .cse1 (not (<= |old(~a10~0)| 2))) (or (not (= 3 |old(~a10~0)|)) .cse0 .cse1)))) [2020-10-14 20:54:09,820 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-14 20:54:09,820 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-14 20:54:09,820 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-14 20:54:09,820 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,820 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,820 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,820 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,821 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,821 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,821 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-14 20:54:09,821 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 20:54:09,821 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 20:54:09,821 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 20:54:09,821 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 20:54:09,821 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 20:54:09,821 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 20:54:09,821 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-14 20:54:09,821 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-14 20:54:09,821 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-14 20:54:09,821 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-14 20:54:09,821 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-14 20:54:09,822 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-14 20:54:09,822 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,822 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,822 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,822 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,822 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,822 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,822 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-14 20:54:09,822 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-14 20:54:09,822 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-14 20:54:09,822 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 20:54:09,822 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 20:54:09,822 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 20:54:09,822 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 20:54:09,822 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 20:54:09,823 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 20:54:09,823 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-14 20:54:09,823 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-14 20:54:09,823 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-14 20:54:09,823 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,823 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,823 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,823 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,823 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,823 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:09,823 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-14 20:54:09,823 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-14 20:54:09,823 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-14 20:54:09,823 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 20:54:09,823 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 20:54:09,824 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 20:54:09,824 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 20:54:09,824 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 20:54:09,824 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 20:54:09,824 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-14 20:54:09,824 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-14 20:54:09,824 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-14 20:54:09,824 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 20:54:09,824 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 23 ~a1~0) (<= 9 ~a19~0) (= ~a10~0 0) (<= ~a19~0 9) (<= ~a1~0 23)) [2020-10-14 20:54:09,824 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 20:54:09,824 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 20:54:09,824 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (and (<= 23 ~a1~0) (<= 9 ~a19~0) (<= ~a19~0 9) (<= ~a1~0 23) (= ~a10~0 |old(~a10~0)|))) [2020-10-14 20:54:09,824 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-14 20:54:09,825 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a10~0 2)) (.cse3 (<= 9 ~a19~0)) (.cse2 (<= ~a1~0 32)) (.cse4 (not (= ~a10~0 2))) (.cse1 (<= ~a19~0 9))) (or (= ~a19~0 8) (and .cse0 (<= 117 ~a1~0) .cse1) (and (= ~a10~0 3) .cse1) (not (= 0 |old(~a10~0)|)) (and (<= 0 ~a1~0) .cse0 .cse2 .cse1) (not (<= 23 |old(~a1~0)|)) (and .cse3 .cse4 .cse1) (and .cse3 .cse2 .cse1) (not (<= 9 |old(~a19~0)|)) (and .cse4 .cse1 (<= (+ ~a1~0 75821) 0)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (<= ~a10~0 1))) [2020-10-14 20:54:09,825 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-14 20:54:09,825 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-14 20:54:09,825 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a10~0 2)) (.cse3 (<= 9 ~a19~0)) (.cse2 (<= ~a1~0 32)) (.cse4 (not (= ~a10~0 2))) (.cse1 (<= ~a19~0 9))) (or (= ~a19~0 8) (and .cse0 (<= 117 ~a1~0) .cse1) (and (= ~a10~0 3) .cse1) (not (= 0 |old(~a10~0)|)) (and (<= 0 ~a1~0) .cse0 .cse2 .cse1) (not (<= 23 |old(~a1~0)|)) (and .cse3 .cse4 .cse1) (and .cse3 .cse2 .cse1) (not (<= 9 |old(~a19~0)|)) (and .cse4 .cse1 (<= (+ ~a1~0 75821) 0)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (<= ~a10~0 1))) [2020-10-14 20:54:09,825 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-14 20:54:09,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 08:54:09 BoogieIcfgContainer [2020-10-14 20:54:09,848 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 20:54:09,852 INFO L168 Benchmark]: Toolchain (without parser) took 68326.42 ms. Allocated memory was 146.8 MB in the beginning and 1.1 GB in the end (delta: 909.1 MB). Free memory was 101.6 MB in the beginning and 678.7 MB in the end (delta: -577.2 MB). Peak memory consumption was 868.5 MB. Max. memory is 7.1 GB. [2020-10-14 20:54:09,853 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 120.9 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-10-14 20:54:09,857 INFO L168 Benchmark]: CACSL2BoogieTranslator took 829.83 ms. Allocated memory was 146.8 MB in the beginning and 206.0 MB in the end (delta: 59.2 MB). Free memory was 101.2 MB in the beginning and 172.3 MB in the end (delta: -71.1 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. [2020-10-14 20:54:09,858 INFO L168 Benchmark]: Boogie Preprocessor took 129.96 ms. Allocated memory is still 206.0 MB. Free memory was 172.3 MB in the beginning and 167.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-10-14 20:54:09,861 INFO L168 Benchmark]: RCFGBuilder took 1595.56 ms. Allocated memory was 206.0 MB in the beginning and 237.0 MB in the end (delta: 30.9 MB). Free memory was 167.3 MB in the beginning and 180.3 MB in the end (delta: -13.0 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. [2020-10-14 20:54:09,862 INFO L168 Benchmark]: TraceAbstraction took 65762.27 ms. Allocated memory was 237.0 MB in the beginning and 1.1 GB in the end (delta: 818.9 MB). Free memory was 178.6 MB in the beginning and 678.7 MB in the end (delta: -500.1 MB). Peak memory consumption was 855.3 MB. Max. memory is 7.1 GB. [2020-10-14 20:54:09,866 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 120.9 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 829.83 ms. Allocated memory was 146.8 MB in the beginning and 206.0 MB in the end (delta: 59.2 MB). Free memory was 101.2 MB in the beginning and 172.3 MB in the end (delta: -71.1 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.96 ms. Allocated memory is still 206.0 MB. Free memory was 172.3 MB in the beginning and 167.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1595.56 ms. Allocated memory was 206.0 MB in the beginning and 237.0 MB in the end (delta: 30.9 MB). Free memory was 167.3 MB in the beginning and 180.3 MB in the end (delta: -13.0 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 65762.27 ms. Allocated memory was 237.0 MB in the beginning and 1.1 GB in the end (delta: 818.9 MB). Free memory was 178.6 MB in the beginning and 678.7 MB in the end (delta: -500.1 MB). Peak memory consumption was 855.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 184]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((((((a19 == 8 || ((a10 <= 2 && 117 <= a1) && a19 <= 9)) || (a10 == 3 && a19 <= 9)) || !(0 == \old(a10))) || (((0 <= a1 && a10 <= 2) && a1 <= 32) && a19 <= 9)) || !(23 <= \old(a1))) || ((9 <= a19 && !(a10 == 2)) && a19 <= 9)) || ((9 <= a19 && a1 <= 32) && a19 <= 9)) || !(9 <= \old(a19))) || ((!(a10 == 2) && a19 <= 9) && a1 + 75821 <= 0)) || !(\old(a1) <= 23)) || !(\old(a19) <= 9)) || a10 <= 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 62.8s, OverallIterations: 15, TraceHistogramMax: 4, AutomataDifference: 24.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 396 SDtfs, 5947 SDslu, 481 SDs, 0 SdLazy, 12685 SolverSat, 1554 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 236 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5143occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 15 MinimizatonAttempts, 1338 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 228 PreInvPairs, 298 NumberOfFragments, 443 HoareAnnotationTreeSize, 228 FomulaSimplifications, 588594 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 16524 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 35.4s InterpolantComputationTime, 4000 NumberOfCodeBlocks, 4000 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3985 ConstructedInterpolants, 0 QuantifiedInterpolants, 2222039 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 3 PerfectInterpolantSequences, 3827/4007 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...