/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=NARROWEST --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/Problem11_label27.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 08:07:51,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 08:07:51,436 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 08:07:51,475 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 08:07:51,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 08:07:51,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 08:07:51,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 08:07:51,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 08:07:51,490 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 08:07:51,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 08:07:51,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 08:07:51,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 08:07:51,495 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 08:07:51,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 08:07:51,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 08:07:51,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 08:07:51,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 08:07:51,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 08:07:51,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 08:07:51,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 08:07:51,518 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 08:07:51,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 08:07:51,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 08:07:51,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 08:07:51,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 08:07:51,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 08:07:51,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 08:07:51,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 08:07:51,535 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 08:07:51,538 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 08:07:51,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 08:07:51,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 08:07:51,539 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 08:07:51,545 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 08:07:51,546 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 08:07:51,546 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 08:07:51,547 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 08:07:51,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 08:07:51,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 08:07:51,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 08:07:51,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 08:07:51,550 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 [2020-10-13 08:07:51,573 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 08:07:51,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 08:07:51,574 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 08:07:51,574 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 08:07:51,575 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 08:07:51,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 08:07:51,575 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 08:07:51,575 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 08:07:51,575 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 08:07:51,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 08:07:51,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 08:07:51,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 08:07:51,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 08:07:51,576 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 08:07:51,576 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 08:07:51,577 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 08:07:51,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 08:07:51,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 08:07:51,577 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 08:07:51,577 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 08:07:51,578 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 08:07:51,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:07:51,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 08:07:51,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 08:07:51,578 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 08:07:51,579 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 08:07:51,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 08:07:51,579 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 08:07:51,579 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 08:07:51,579 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 08:07:51,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 08:07:51,915 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 08:07:51,918 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 08:07:51,920 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 08:07:51,921 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 08:07:51,921 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label27.c [2020-10-13 08:07:51,981 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/100de8070/51f30f1870b0453782aa76f6c70b8569/FLAGef205b7f8 [2020-10-13 08:07:52,677 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 08:07:52,678 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label27.c [2020-10-13 08:07:52,693 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/100de8070/51f30f1870b0453782aa76f6c70b8569/FLAGef205b7f8 [2020-10-13 08:07:52,909 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/100de8070/51f30f1870b0453782aa76f6c70b8569 [2020-10-13 08:07:52,916 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 08:07:52,918 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 08:07:52,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 08:07:52,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 08:07:52,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 08:07:52,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:07:52" (1/1) ... [2020-10-13 08:07:52,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c56d103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:52, skipping insertion in model container [2020-10-13 08:07:52,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:07:52" (1/1) ... [2020-10-13 08:07:52,937 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 08:07:52,990 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 08:07:53,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:07:53,689 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 08:07:53,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:07:53,863 INFO L208 MainTranslator]: Completed translation [2020-10-13 08:07:53,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:53 WrapperNode [2020-10-13 08:07:53,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 08:07:53,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 08:07:53,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 08:07:53,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 08:07:53,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:53" (1/1) ... [2020-10-13 08:07:53,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:53" (1/1) ... [2020-10-13 08:07:53,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:53" (1/1) ... [2020-10-13 08:07:53,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:53" (1/1) ... [2020-10-13 08:07:53,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:53" (1/1) ... [2020-10-13 08:07:53,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:53" (1/1) ... [2020-10-13 08:07:53,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:53" (1/1) ... [2020-10-13 08:07:54,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 08:07:54,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 08:07:54,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 08:07:54,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 08:07:54,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:53" (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 [2020-10-13 08:07:54,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 08:07:54,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 08:07:54,086 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 08:07:54,087 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 08:07:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 08:07:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 08:07:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 08:07:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 08:07:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 08:07:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 08:07:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 08:07:55,917 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 08:07:55,918 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 08:07:55,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:07:55 BoogieIcfgContainer [2020-10-13 08:07:55,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 08:07:55,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 08:07:55,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 08:07:55,931 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 08:07:55,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:07:52" (1/3) ... [2020-10-13 08:07:55,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63557820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:07:55, skipping insertion in model container [2020-10-13 08:07:55,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:53" (2/3) ... [2020-10-13 08:07:55,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63557820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:07:55, skipping insertion in model container [2020-10-13 08:07:55,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:07:55" (3/3) ... [2020-10-13 08:07:55,935 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label27.c [2020-10-13 08:07:55,948 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 08:07:55,957 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 08:07:55,973 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 08:07:56,032 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 08:07:56,033 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 08:07:56,034 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 08:07:56,034 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 08:07:56,034 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 08:07:56,034 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 08:07:56,034 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 08:07:56,034 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 08:07:56,075 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-13 08:07:56,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-13 08:07:56,089 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:07:56,090 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] [2020-10-13 08:07:56,091 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:07:56,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:07:56,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1647483275, now seen corresponding path program 1 times [2020-10-13 08:07:56,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:07:56,110 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1355738027] [2020-10-13 08:07:56,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:07:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:56,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:56,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:56,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-13 08:07:56,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:56,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 337 [2020-10-13 08:07:56,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:56,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:07:56,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:07:56,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-13 08:07:56,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 08:07:56,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:07:56,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:56,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:56,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:56,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:07:56,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:56,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 08:07:56,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:56,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:07:56,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:56,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:07:56,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:56,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:07:56,879 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1355738027] [2020-10-13 08:07:56,882 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:07:56,882 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 08:07:56,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506538097] [2020-10-13 08:07:56,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 08:07:56,889 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:07:56,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 08:07:56,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 08:07:56,911 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2020-10-13 08:07:59,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:07:59,107 INFO L93 Difference]: Finished difference Result 795 states and 1396 transitions. [2020-10-13 08:07:59,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:07:59,111 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2020-10-13 08:07:59,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:07:59,135 INFO L225 Difference]: With dead ends: 795 [2020-10-13 08:07:59,135 INFO L226 Difference]: Without dead ends: 439 [2020-10-13 08:07:59,145 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:07:59,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-10-13 08:07:59,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 427. [2020-10-13 08:07:59,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2020-10-13 08:07:59,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 626 transitions. [2020-10-13 08:07:59,236 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 626 transitions. Word has length 48 [2020-10-13 08:07:59,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:07:59,237 INFO L479 AbstractCegarLoop]: Abstraction has 427 states and 626 transitions. [2020-10-13 08:07:59,237 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 08:07:59,237 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 626 transitions. [2020-10-13 08:07:59,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-13 08:07:59,251 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:07:59,251 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:07:59,251 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 08:07:59,252 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:07:59,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:07:59,252 INFO L82 PathProgramCache]: Analyzing trace with hash -931227410, now seen corresponding path program 1 times [2020-10-13 08:07:59,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:07:59,253 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [661116441] [2020-10-13 08:07:59,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:07:59,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:59,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:59,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:00,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:00,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-13 08:08:00,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:08:00,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1212 [2020-10-13 08:08:00,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:00,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:00,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-13 08:08:00,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-13 08:08:00,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:08:00,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:08:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:00,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:00,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:00,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:08:00,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:00,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:08:00,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:00,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:00,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:00,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:00,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:00,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:08:00,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:00,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:00,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:00,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 08:08:00,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:00,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-13 08:08:00,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:00,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:08:00,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:00,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-13 08:08:00,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:00,798 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:08:00,799 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [661116441] [2020-10-13 08:08:00,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:08:00,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:08:00,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242170325] [2020-10-13 08:08:00,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:08:00,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:08:00,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:08:00,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:08:00,803 INFO L87 Difference]: Start difference. First operand 427 states and 626 transitions. Second operand 5 states. [2020-10-13 08:08:03,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:08:03,002 INFO L93 Difference]: Finished difference Result 1050 states and 1587 transitions. [2020-10-13 08:08:03,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:08:03,005 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 118 [2020-10-13 08:08:03,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:08:03,011 INFO L225 Difference]: With dead ends: 1050 [2020-10-13 08:08:03,011 INFO L226 Difference]: Without dead ends: 629 [2020-10-13 08:08:03,013 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 [2020-10-13 08:08:03,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2020-10-13 08:08:03,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 618. [2020-10-13 08:08:03,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 618 states. [2020-10-13 08:08:03,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 874 transitions. [2020-10-13 08:08:03,049 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 874 transitions. Word has length 118 [2020-10-13 08:08:03,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:08:03,050 INFO L479 AbstractCegarLoop]: Abstraction has 618 states and 874 transitions. [2020-10-13 08:08:03,050 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:08:03,050 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 874 transitions. [2020-10-13 08:08:03,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-13 08:08:03,052 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:08:03,053 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:08:03,053 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 08:08:03,053 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:08:03,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:08:03,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1062949639, now seen corresponding path program 1 times [2020-10-13 08:08:03,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:08:03,054 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [497535127] [2020-10-13 08:08:03,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:08:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:03,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:03,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:03,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:03,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-13 08:08:03,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:08:03,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 883 [2020-10-13 08:08:03,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:03,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:03,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-13 08:08:03,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-13 08:08:03,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:04,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:08:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:04,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:04,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:04,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:08:04,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:04,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:08:04,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:04,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:04,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:04,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:04,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:08:04,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:08:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:04,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:04,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:04,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-13 08:08:04,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:04,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-13 08:08:04,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:04,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:08:04,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:04,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-13 08:08:04,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:04,343 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:08:04,343 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [497535127] [2020-10-13 08:08:04,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:08:04,344 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:08:04,344 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356137103] [2020-10-13 08:08:04,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:08:04,346 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:08:04,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:08:04,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:08:04,348 INFO L87 Difference]: Start difference. First operand 618 states and 874 transitions. Second operand 5 states. [2020-10-13 08:08:06,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:08:06,538 INFO L93 Difference]: Finished difference Result 1817 states and 2608 transitions. [2020-10-13 08:08:06,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:08:06,539 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 123 [2020-10-13 08:08:06,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:08:06,547 INFO L225 Difference]: With dead ends: 1817 [2020-10-13 08:08:06,547 INFO L226 Difference]: Without dead ends: 1205 [2020-10-13 08:08:06,549 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 [2020-10-13 08:08:06,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1205 states. [2020-10-13 08:08:06,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1205 to 1197. [2020-10-13 08:08:06,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1197 states. [2020-10-13 08:08:06,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1573 transitions. [2020-10-13 08:08:06,594 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1573 transitions. Word has length 123 [2020-10-13 08:08:06,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:08:06,594 INFO L479 AbstractCegarLoop]: Abstraction has 1197 states and 1573 transitions. [2020-10-13 08:08:06,595 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:08:06,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1573 transitions. [2020-10-13 08:08:06,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-13 08:08:06,597 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:08:06,597 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:08:06,597 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 08:08:06,597 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:08:06,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:08:06,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1426082667, now seen corresponding path program 1 times [2020-10-13 08:08:06,598 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:08:06,598 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1555846448] [2020-10-13 08:08:06,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:08:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:06,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:06,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:07,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:08,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:08,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-13 08:08:08,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:08:08,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1461 [2020-10-13 08:08:08,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:08,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:08,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-13 08:08:08,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-13 08:08:08,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:08,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:08:08,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:08,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:08,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:08,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:08:08,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:08,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 08:08:08,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:08,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:08,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:08,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:08,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:08,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:08:08,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:08,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:08,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:08,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 08:08:08,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:08,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-13 08:08:08,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:08,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:08:08,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:08,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-13 08:08:08,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:08:08,327 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:08:08,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1555846448] [2020-10-13 08:08:08,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:08:08,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:08:08,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143649378] [2020-10-13 08:08:08,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:08:08,332 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:08:08,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:08:08,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:08:08,333 INFO L87 Difference]: Start difference. First operand 1197 states and 1573 transitions. Second operand 5 states. [2020-10-13 08:08:10,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:08:10,803 INFO L93 Difference]: Finished difference Result 2794 states and 3770 transitions. [2020-10-13 08:08:10,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:08:10,806 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2020-10-13 08:08:10,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:08:10,819 INFO L225 Difference]: With dead ends: 2794 [2020-10-13 08:08:10,819 INFO L226 Difference]: Without dead ends: 1603 [2020-10-13 08:08:10,823 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 [2020-10-13 08:08:10,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1603 states. [2020-10-13 08:08:10,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1603 to 1581. [2020-10-13 08:08:10,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1581 states. [2020-10-13 08:08:10,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1581 states and 2059 transitions. [2020-10-13 08:08:10,884 INFO L78 Accepts]: Start accepts. Automaton has 1581 states and 2059 transitions. Word has length 125 [2020-10-13 08:08:10,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:08:10,884 INFO L479 AbstractCegarLoop]: Abstraction has 1581 states and 2059 transitions. [2020-10-13 08:08:10,884 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:08:10,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 2059 transitions. [2020-10-13 08:08:10,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-13 08:08:10,887 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:08:10,888 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:08:10,888 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 08:08:10,888 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:08:10,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:08:10,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1033520279, now seen corresponding path program 1 times [2020-10-13 08:08:10,889 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:08:10,889 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2041695895] [2020-10-13 08:08:10,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:08:10,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:10,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:11,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:11,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:11,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:11,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-13 08:08:11,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:08:11,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1028 [2020-10-13 08:08:11,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:11,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:11,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-13 08:08:11,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-13 08:08:11,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:12,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:08:12,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:12,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:12,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:12,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:08:12,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:12,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:08:12,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:12,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:12,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:12,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:12,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:08:12,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:08:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:12,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:12,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:12,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 08:08:12,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:12,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-13 08:08:12,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:12,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:08:12,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:12,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 08:08:12,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:12,175 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:08:12,175 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2041695895] [2020-10-13 08:08:12,175 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:08:12,175 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:08:12,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424235831] [2020-10-13 08:08:12,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:08:12,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:08:12,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:08:12,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:08:12,178 INFO L87 Difference]: Start difference. First operand 1581 states and 2059 transitions. Second operand 5 states. [2020-10-13 08:08:14,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:08:14,673 INFO L93 Difference]: Finished difference Result 3928 states and 5268 transitions. [2020-10-13 08:08:14,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:08:14,677 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 131 [2020-10-13 08:08:14,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:08:14,691 INFO L225 Difference]: With dead ends: 3928 [2020-10-13 08:08:14,691 INFO L226 Difference]: Without dead ends: 2353 [2020-10-13 08:08:14,696 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 [2020-10-13 08:08:14,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2353 states. [2020-10-13 08:08:14,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2353 to 2341. [2020-10-13 08:08:14,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2341 states. [2020-10-13 08:08:14,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2341 states to 2341 states and 3010 transitions. [2020-10-13 08:08:14,779 INFO L78 Accepts]: Start accepts. Automaton has 2341 states and 3010 transitions. Word has length 131 [2020-10-13 08:08:14,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:08:14,779 INFO L479 AbstractCegarLoop]: Abstraction has 2341 states and 3010 transitions. [2020-10-13 08:08:14,779 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:08:14,779 INFO L276 IsEmpty]: Start isEmpty. Operand 2341 states and 3010 transitions. [2020-10-13 08:08:14,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-13 08:08:14,785 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:08:14,785 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:08:14,785 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 08:08:14,786 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:08:14,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:08:14,786 INFO L82 PathProgramCache]: Analyzing trace with hash -93237078, now seen corresponding path program 1 times [2020-10-13 08:08:14,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:08:14,787 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [431794989] [2020-10-13 08:08:14,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:08:14,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:14,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:15,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:15,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:15,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-13 08:08:15,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:08:15,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 698 [2020-10-13 08:08:15,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:15,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:15,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-13 08:08:15,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-13 08:08:15,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:15,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:08:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:15,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:15,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:15,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:08:15,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:15,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:08:15,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:15,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:15,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:15,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:15,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:15,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:08:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:15,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:15,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:15,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 08:08:15,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:15,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-13 08:08:15,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:15,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:08:15,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:15,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-13 08:08:15,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:15,762 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:08:15,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [431794989] [2020-10-13 08:08:15,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:08:15,764 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:08:15,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408870078] [2020-10-13 08:08:15,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:08:15,765 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:08:15,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:08:15,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:08:15,766 INFO L87 Difference]: Start difference. First operand 2341 states and 3010 transitions. Second operand 5 states. [2020-10-13 08:08:18,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:08:18,431 INFO L93 Difference]: Finished difference Result 6233 states and 8172 transitions. [2020-10-13 08:08:18,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:08:18,436 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2020-10-13 08:08:18,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:08:18,460 INFO L225 Difference]: With dead ends: 6233 [2020-10-13 08:08:18,460 INFO L226 Difference]: Without dead ends: 3898 [2020-10-13 08:08:18,469 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 [2020-10-13 08:08:18,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3898 states. [2020-10-13 08:08:18,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3898 to 3881. [2020-10-13 08:08:18,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3881 states. [2020-10-13 08:08:18,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3881 states to 3881 states and 4996 transitions. [2020-10-13 08:08:18,582 INFO L78 Accepts]: Start accepts. Automaton has 3881 states and 4996 transitions. Word has length 136 [2020-10-13 08:08:18,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:08:18,582 INFO L479 AbstractCegarLoop]: Abstraction has 3881 states and 4996 transitions. [2020-10-13 08:08:18,583 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:08:18,583 INFO L276 IsEmpty]: Start isEmpty. Operand 3881 states and 4996 transitions. [2020-10-13 08:08:18,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-13 08:08:18,585 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:08:18,585 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:08:18,586 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 08:08:18,586 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:08:18,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:08:18,586 INFO L82 PathProgramCache]: Analyzing trace with hash 759871878, now seen corresponding path program 1 times [2020-10-13 08:08:18,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:08:18,587 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1323711596] [2020-10-13 08:08:18,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:08:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:18,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:18,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:18,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:19,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:19,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-13 08:08:19,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:08:19,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 947 [2020-10-13 08:08:19,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:19,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:19,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-13 08:08:19,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-13 08:08:19,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:19,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:08:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:19,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:19,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:19,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:08:19,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:19,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:08:19,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:19,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:19,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:19,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:19,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:19,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:08:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:19,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:19,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:19,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-13 08:08:19,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:19,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-13 08:08:19,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:19,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:08:19,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:19,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 08:08:19,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:19,801 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:08:19,801 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1323711596] [2020-10-13 08:08:19,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:08:19,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:08:19,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711138250] [2020-10-13 08:08:19,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:08:19,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:08:19,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:08:19,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:08:19,804 INFO L87 Difference]: Start difference. First operand 3881 states and 4996 transitions. Second operand 5 states. [2020-10-13 08:08:21,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:08:21,999 INFO L93 Difference]: Finished difference Result 8742 states and 11531 transitions. [2020-10-13 08:08:22,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:08:22,000 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2020-10-13 08:08:22,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:08:22,021 INFO L225 Difference]: With dead ends: 8742 [2020-10-13 08:08:22,021 INFO L226 Difference]: Without dead ends: 4867 [2020-10-13 08:08:22,033 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 [2020-10-13 08:08:22,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4867 states. [2020-10-13 08:08:22,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4867 to 4833. [2020-10-13 08:08:22,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4833 states. [2020-10-13 08:08:22,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4833 states to 4833 states and 6337 transitions. [2020-10-13 08:08:22,162 INFO L78 Accepts]: Start accepts. Automaton has 4833 states and 6337 transitions. Word has length 138 [2020-10-13 08:08:22,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:08:22,163 INFO L479 AbstractCegarLoop]: Abstraction has 4833 states and 6337 transitions. [2020-10-13 08:08:22,163 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:08:22,163 INFO L276 IsEmpty]: Start isEmpty. Operand 4833 states and 6337 transitions. [2020-10-13 08:08:22,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-13 08:08:22,166 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:08:22,167 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:08:22,167 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 08:08:22,167 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:08:22,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:08:22,167 INFO L82 PathProgramCache]: Analyzing trace with hash -664516444, now seen corresponding path program 1 times [2020-10-13 08:08:22,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:08:22,168 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [214579911] [2020-10-13 08:08:22,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:08:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:22,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:22,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:22,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:22,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-13 08:08:22,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:08:22,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 676 [2020-10-13 08:08:22,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:22,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:22,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-13 08:08:22,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-13 08:08:22,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:22,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:08:22,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:22,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:23,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:23,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:08:23,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:23,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:08:23,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:23,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:23,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:23,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:23,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:08:23,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:08:23,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:23,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:23,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:23,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-13 08:08:23,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:23,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-13 08:08:23,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:23,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:08:23,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:23,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-13 08:08:23,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:08:23,301 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:08:23,301 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [214579911] [2020-10-13 08:08:23,302 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:08:23,302 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:08:23,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711999135] [2020-10-13 08:08:23,303 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:08:23,304 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:08:23,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:08:23,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:08:23,305 INFO L87 Difference]: Start difference. First operand 4833 states and 6337 transitions. Second operand 5 states. [2020-10-13 08:08:26,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:08:26,092 INFO L93 Difference]: Finished difference Result 10629 states and 14256 transitions. [2020-10-13 08:08:26,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:08:26,093 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 164 [2020-10-13 08:08:26,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:08:26,120 INFO L225 Difference]: With dead ends: 10629 [2020-10-13 08:08:26,120 INFO L226 Difference]: Without dead ends: 5802 [2020-10-13 08:08:26,132 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:08:26,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5802 states. [2020-10-13 08:08:26,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5802 to 5788. [2020-10-13 08:08:26,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5788 states. [2020-10-13 08:08:26,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5788 states to 5788 states and 7584 transitions. [2020-10-13 08:08:26,297 INFO L78 Accepts]: Start accepts. Automaton has 5788 states and 7584 transitions. Word has length 164 [2020-10-13 08:08:26,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:08:26,297 INFO L479 AbstractCegarLoop]: Abstraction has 5788 states and 7584 transitions. [2020-10-13 08:08:26,298 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:08:26,298 INFO L276 IsEmpty]: Start isEmpty. Operand 5788 states and 7584 transitions. [2020-10-13 08:08:26,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-10-13 08:08:26,303 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:08:26,304 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:08:26,304 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 08:08:26,304 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:08:26,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:08:26,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1687423950, now seen corresponding path program 1 times [2020-10-13 08:08:26,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:08:26,306 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [301962414] [2020-10-13 08:08:26,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:08:26,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:26,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:26,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:27,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:27,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-13 08:08:27,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:08:27,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1262 [2020-10-13 08:08:27,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:27,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:27,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 176 [2020-10-13 08:08:27,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-13 08:08:27,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:27,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:08:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:27,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:27,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:27,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:08:27,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:27,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:08:27,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:27,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:27,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:27,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:27,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:08:27,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:08:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:27,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:27,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:27,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-13 08:08:27,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:27,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-13 08:08:27,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:27,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:08:27,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:27,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-13 08:08:27,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:28,077 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:08:28,083 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [301962414] [2020-10-13 08:08:28,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:08:28,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:08:28,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264066425] [2020-10-13 08:08:28,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:08:28,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:08:28,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:08:28,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:08:28,087 INFO L87 Difference]: Start difference. First operand 5788 states and 7584 transitions. Second operand 5 states. [2020-10-13 08:08:30,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:08:30,312 INFO L93 Difference]: Finished difference Result 12534 states and 16715 transitions. [2020-10-13 08:08:30,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:08:30,313 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 214 [2020-10-13 08:08:30,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:08:30,343 INFO L225 Difference]: With dead ends: 12534 [2020-10-13 08:08:30,344 INFO L226 Difference]: Without dead ends: 6752 [2020-10-13 08:08:30,358 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 [2020-10-13 08:08:30,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6752 states. [2020-10-13 08:08:30,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6752 to 6550. [2020-10-13 08:08:30,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6550 states. [2020-10-13 08:08:30,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6550 states to 6550 states and 8580 transitions. [2020-10-13 08:08:30,508 INFO L78 Accepts]: Start accepts. Automaton has 6550 states and 8580 transitions. Word has length 214 [2020-10-13 08:08:30,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:08:30,509 INFO L479 AbstractCegarLoop]: Abstraction has 6550 states and 8580 transitions. [2020-10-13 08:08:30,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:08:30,509 INFO L276 IsEmpty]: Start isEmpty. Operand 6550 states and 8580 transitions. [2020-10-13 08:08:30,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2020-10-13 08:08:30,524 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:08:30,525 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:08:30,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 08:08:30,525 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:08:30,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:08:30,526 INFO L82 PathProgramCache]: Analyzing trace with hash 415688868, now seen corresponding path program 1 times [2020-10-13 08:08:30,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:08:30,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [416381327] [2020-10-13 08:08:30,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:08:30,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:30,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:30,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:30,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:31,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:32,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:35,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:35,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 324 [2020-10-13 08:08:35,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:08:35,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-13 08:08:35,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:35,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:35,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 151 [2020-10-13 08:08:35,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 08:08:35,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:35,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:08:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:35,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:35,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:35,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:08:35,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:35,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:08:35,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:35,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:35,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:35,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:35,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:35,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:08:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:35,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:35,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:35,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-13 08:08:35,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:35,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-13 08:08:35,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:35,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:08:35,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:35,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-13 08:08:35,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:35,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-13 08:08:35,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:35,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:36,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:36,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:36,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-13 08:08:36,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:08:36,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 282 [2020-10-13 08:08:36,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:36,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:36,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:08:36,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-13 08:08:36,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:36,793 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 202 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 08:08:36,794 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [416381327] [2020-10-13 08:08:36,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:08:36,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:08:36,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101397857] [2020-10-13 08:08:36,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:08:36,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:08:36,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:08:36,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:08:36,796 INFO L87 Difference]: Start difference. First operand 6550 states and 8580 transitions. Second operand 7 states. [2020-10-13 08:08:39,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:08:39,208 INFO L93 Difference]: Finished difference Result 13167 states and 17327 transitions. [2020-10-13 08:08:39,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 08:08:39,209 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 312 [2020-10-13 08:08:39,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:08:39,233 INFO L225 Difference]: With dead ends: 13167 [2020-10-13 08:08:39,233 INFO L226 Difference]: Without dead ends: 6603 [2020-10-13 08:08:39,248 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:08:39,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6603 states. [2020-10-13 08:08:39,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6603 to 6572. [2020-10-13 08:08:39,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6572 states. [2020-10-13 08:08:39,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6572 states to 6572 states and 8606 transitions. [2020-10-13 08:08:39,391 INFO L78 Accepts]: Start accepts. Automaton has 6572 states and 8606 transitions. Word has length 312 [2020-10-13 08:08:39,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:08:39,392 INFO L479 AbstractCegarLoop]: Abstraction has 6572 states and 8606 transitions. [2020-10-13 08:08:39,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:08:39,392 INFO L276 IsEmpty]: Start isEmpty. Operand 6572 states and 8606 transitions. [2020-10-13 08:08:39,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2020-10-13 08:08:39,413 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:08:39,414 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:08:39,414 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 08:08:39,414 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:08:39,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:08:39,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1105208659, now seen corresponding path program 1 times [2020-10-13 08:08:39,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:08:39,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2090616468] [2020-10-13 08:08:39,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:08:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:39,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:39,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:41,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:44,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:44,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 327 [2020-10-13 08:08:44,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:08:44,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-13 08:08:44,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:44,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:44,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 278 [2020-10-13 08:08:44,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-13 08:08:44,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:44,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:08:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:44,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:44,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:44,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:08:44,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:44,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:08:44,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:44,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:44,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:44,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:44,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:44,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:08:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:44,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:44,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:44,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 08:08:44,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:44,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 08:08:44,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:44,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:44,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:44,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:44,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:44,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 08:08:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:44,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:44,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:44,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:08:44,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:44,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-10-13 08:08:44,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:44,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:08:44,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:44,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-13 08:08:44,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:45,040 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-13 08:08:45,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2090616468] [2020-10-13 08:08:45,041 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:08:45,041 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:08:45,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311321974] [2020-10-13 08:08:45,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:08:45,042 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:08:45,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:08:45,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:08:45,043 INFO L87 Difference]: Start difference. First operand 6572 states and 8606 transitions. Second operand 5 states. [2020-10-13 08:08:47,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:08:47,429 INFO L93 Difference]: Finished difference Result 16787 states and 22384 transitions. [2020-10-13 08:08:47,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:08:47,431 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 315 [2020-10-13 08:08:47,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:08:47,467 INFO L225 Difference]: With dead ends: 16787 [2020-10-13 08:08:47,467 INFO L226 Difference]: Without dead ends: 10221 [2020-10-13 08:08:47,482 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:08:47,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10221 states. [2020-10-13 08:08:47,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10221 to 10012. [2020-10-13 08:08:47,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10012 states. [2020-10-13 08:08:47,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10012 states to 10012 states and 12694 transitions. [2020-10-13 08:08:47,695 INFO L78 Accepts]: Start accepts. Automaton has 10012 states and 12694 transitions. Word has length 315 [2020-10-13 08:08:47,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:08:47,696 INFO L479 AbstractCegarLoop]: Abstraction has 10012 states and 12694 transitions. [2020-10-13 08:08:47,696 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:08:47,696 INFO L276 IsEmpty]: Start isEmpty. Operand 10012 states and 12694 transitions. [2020-10-13 08:08:47,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2020-10-13 08:08:47,714 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:08:47,715 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:08:47,715 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 08:08:47,715 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:08:47,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:08:47,716 INFO L82 PathProgramCache]: Analyzing trace with hash -33062778, now seen corresponding path program 1 times [2020-10-13 08:08:47,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:08:47,716 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1467813643] [2020-10-13 08:08:47,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:08:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:47,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:47,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:48,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:48,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:51,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:52,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:52,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 336 [2020-10-13 08:08:52,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:08:52,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-10-13 08:08:52,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:52,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:52,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 163 [2020-10-13 08:08:52,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 08:08:52,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:52,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:08:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:52,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:52,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:52,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:08:52,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:52,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:08:52,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:52,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:52,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:52,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:52,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:52,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:08:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:52,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:52,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:52,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 08:08:52,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:52,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 08:08:52,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:52,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:52,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:52,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:52,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:52,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 08:08:52,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:52,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:53,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:53,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 08:08:53,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:53,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-13 08:08:53,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:53,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:08:53,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:53,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 08:08:53,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:53,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-13 08:08:53,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:53,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:53,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:53,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:53,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-13 08:08:53,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:08:53,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-10-13 08:08:53,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:53,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:53,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:08:53,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-13 08:08:53,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:53,386 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 273 proven. 2 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-13 08:08:53,387 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1467813643] [2020-10-13 08:08:53,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:08:53,387 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:08:53,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601769012] [2020-10-13 08:08:53,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:08:53,388 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:08:53,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:08:53,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:08:53,389 INFO L87 Difference]: Start difference. First operand 10012 states and 12694 transitions. Second operand 7 states. [2020-10-13 08:08:55,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:08:55,439 INFO L93 Difference]: Finished difference Result 20136 states and 25829 transitions. [2020-10-13 08:08:55,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 08:08:55,440 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 322 [2020-10-13 08:08:55,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:08:55,470 INFO L225 Difference]: With dead ends: 20136 [2020-10-13 08:08:55,471 INFO L226 Difference]: Without dead ends: 10121 [2020-10-13 08:08:55,490 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-13 08:08:55,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10121 states. [2020-10-13 08:08:55,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10121 to 10080. [2020-10-13 08:08:55,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10080 states. [2020-10-13 08:08:55,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10080 states to 10080 states and 12851 transitions. [2020-10-13 08:08:55,718 INFO L78 Accepts]: Start accepts. Automaton has 10080 states and 12851 transitions. Word has length 322 [2020-10-13 08:08:55,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:08:55,719 INFO L479 AbstractCegarLoop]: Abstraction has 10080 states and 12851 transitions. [2020-10-13 08:08:55,719 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:08:55,720 INFO L276 IsEmpty]: Start isEmpty. Operand 10080 states and 12851 transitions. [2020-10-13 08:08:55,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2020-10-13 08:08:55,738 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:08:55,739 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:08:55,739 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 08:08:55,739 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:08:55,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:08:55,740 INFO L82 PathProgramCache]: Analyzing trace with hash -14705209, now seen corresponding path program 1 times [2020-10-13 08:08:55,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:08:55,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1158199248] [2020-10-13 08:08:55,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:08:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:55,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:55,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:56,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:56,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:56,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:57,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:57,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:57,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:58,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:00,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:00,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 333 [2020-10-13 08:09:00,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 08:09:00,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4886 [2020-10-13 08:09:00,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:00,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:09:00,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 283 [2020-10-13 08:09:00,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:09:00,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:00,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:09:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:00,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:00,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:00,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:09:00,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:09:00,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:09:00,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:00,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:09:00,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:09:00,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:09:00,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:00,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:09:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:00,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:00,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:00,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 08:09:00,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:09:00,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 08:09:00,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:00,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:09:00,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:09:00,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:09:00,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:00,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-13 08:09:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:00,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:00,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:00,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-13 08:09:00,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:09:00,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-13 08:09:00,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:00,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:09:00,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-13 08:09:00,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:09:00,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:00,974 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2020-10-13 08:09:00,975 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1158199248] [2020-10-13 08:09:00,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:09:00,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 08:09:00,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185485137] [2020-10-13 08:09:00,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:09:00,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:09:00,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:09:00,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:09:00,977 INFO L87 Difference]: Start difference. First operand 10080 states and 12851 transitions. Second operand 5 states. [2020-10-13 08:09:02,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:09:02,200 INFO L93 Difference]: Finished difference Result 20158 states and 25732 transitions. [2020-10-13 08:09:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:09:02,200 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 321 [2020-10-13 08:09:02,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:09:02,231 INFO L225 Difference]: With dead ends: 20158 [2020-10-13 08:09:02,231 INFO L226 Difference]: Without dead ends: 10084 [2020-10-13 08:09:02,249 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:09:02,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10084 states. [2020-10-13 08:09:02,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10084 to 10062. [2020-10-13 08:09:02,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10062 states. [2020-10-13 08:09:02,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10062 states to 10062 states and 12813 transitions. [2020-10-13 08:09:02,485 INFO L78 Accepts]: Start accepts. Automaton has 10062 states and 12813 transitions. Word has length 321 [2020-10-13 08:09:02,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:09:02,486 INFO L479 AbstractCegarLoop]: Abstraction has 10062 states and 12813 transitions. [2020-10-13 08:09:02,486 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:09:02,486 INFO L276 IsEmpty]: Start isEmpty. Operand 10062 states and 12813 transitions. [2020-10-13 08:09:02,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2020-10-13 08:09:02,509 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:09:02,510 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:09:02,510 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 08:09:02,510 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:09:02,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:09:02,511 INFO L82 PathProgramCache]: Analyzing trace with hash -377730578, now seen corresponding path program 1 times [2020-10-13 08:09:02,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:09:02,511 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2135464599] [2020-10-13 08:09:02,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:09:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:02,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:02,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:02,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:03,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:05,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:07,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:07,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 356 [2020-10-13 08:09:07,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:09:07,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-13 08:09:07,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:07,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:09:07,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 308 [2020-10-13 08:09:07,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-13 08:09:07,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:07,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:09:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:07,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:07,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:07,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:09:07,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:09:07,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:09:07,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:07,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:09:07,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:09:07,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:09:07,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:07,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:09:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:07,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:07,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:07,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 08:09:07,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:09:07,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 08:09:07,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:07,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:09:07,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:09:07,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:09:07,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:07,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 08:09:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:07,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:07,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:07,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:09:07,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:09:07,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 08:09:07,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:07,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:09:07,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:09:07,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:09:07,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:07,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-13 08:09:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:07,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:07,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:07,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-13 08:09:07,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:09:07,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-13 08:09:07,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:07,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:09:07,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:09:07,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-13 08:09:07,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:07,880 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 126 proven. 3 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2020-10-13 08:09:07,880 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2135464599] [2020-10-13 08:09:07,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:09:07,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:09:07,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929177806] [2020-10-13 08:09:07,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:09:07,881 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:09:07,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:09:07,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:09:07,882 INFO L87 Difference]: Start difference. First operand 10062 states and 12813 transitions. Second operand 5 states. [2020-10-13 08:09:09,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:09:09,984 INFO L93 Difference]: Finished difference Result 22214 states and 28556 transitions. [2020-10-13 08:09:09,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:09:09,985 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 342 [2020-10-13 08:09:09,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:09:09,986 INFO L225 Difference]: With dead ends: 22214 [2020-10-13 08:09:09,986 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 08:09:10,008 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 [2020-10-13 08:09:10,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 08:09:10,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 08:09:10,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 08:09:10,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 08:09:10,009 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 342 [2020-10-13 08:09:10,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:09:10,010 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 08:09:10,010 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:09:10,010 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 08:09:10,010 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 08:09:10,010 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 08:09:10,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 08:09:10,898 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 91 [2020-10-13 08:09:11,175 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 91 [2020-10-13 08:09:11,927 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 43 [2020-10-13 08:09:12,124 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 32 [2020-10-13 08:09:12,293 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 32 [2020-10-13 08:09:12,297 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:09:12,298 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)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a3~0 |old(~a3~0)|)) [2020-10-13 08:09:12,298 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:09:12,298 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-13 08:09:12,299 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-13 08:09:12,299 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-13 08:09:12,299 INFO L268 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,299 INFO L268 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,299 INFO L268 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,299 INFO L268 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,299 INFO L268 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,300 INFO L268 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,300 INFO L268 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,300 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-13 08:09:12,301 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-13 08:09:12,301 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-13 08:09:12,301 INFO L268 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,302 INFO L268 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,302 INFO L268 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,302 INFO L268 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,302 INFO L268 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,302 INFO L268 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,303 INFO L268 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,303 INFO L268 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,303 INFO L268 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,303 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-13 08:09:12,303 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-13 08:09:12,303 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-13 08:09:12,303 INFO L268 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,303 INFO L268 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,303 INFO L268 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,304 INFO L268 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,304 INFO L268 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,304 INFO L268 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,304 INFO L268 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,304 INFO L268 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,304 INFO L268 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,304 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-13 08:09:12,304 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-13 08:09:12,304 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-13 08:09:12,304 INFO L268 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2020-10-13 08:09:12,305 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-10-13 08:09:12,305 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2020-10-13 08:09:12,305 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2020-10-13 08:09:12,305 INFO L268 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,305 INFO L268 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,305 INFO L268 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,305 INFO L268 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,305 INFO L268 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,305 INFO L268 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,305 INFO L268 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,306 INFO L268 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,306 INFO L268 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,306 INFO L268 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,306 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-13 08:09:12,306 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-13 08:09:12,306 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-13 08:09:12,306 INFO L268 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,306 INFO L268 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,306 INFO L268 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,307 INFO L268 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,307 INFO L268 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,307 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-13 08:09:12,307 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-13 08:09:12,307 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-13 08:09:12,307 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,307 INFO L268 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,307 INFO L268 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,307 INFO L268 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,307 INFO L268 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,308 INFO L268 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2020-10-13 08:09:12,308 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2020-10-13 08:09:12,308 INFO L268 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,308 INFO L268 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,308 INFO L268 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,308 INFO L268 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,309 INFO L268 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,309 INFO L268 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,309 INFO L268 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2020-10-13 08:09:12,309 INFO L268 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2020-10-13 08:09:12,309 INFO L268 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,309 INFO L268 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,309 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-13 08:09:12,310 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-13 08:09:12,310 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-13 08:09:12,310 INFO L268 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,310 INFO L268 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,310 INFO L268 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,310 INFO L268 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,310 INFO L268 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,310 INFO L268 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,310 INFO L268 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,310 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-13 08:09:12,311 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-13 08:09:12,311 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-13 08:09:12,311 INFO L268 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2020-10-13 08:09:12,311 INFO L268 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2020-10-13 08:09:12,311 INFO L268 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2020-10-13 08:09:12,311 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2020-10-13 08:09:12,311 INFO L268 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,311 INFO L268 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,311 INFO L268 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2020-10-13 08:09:12,311 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2020-10-13 08:09:12,312 INFO L268 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,312 INFO L268 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,312 INFO L268 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,312 INFO L268 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,313 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse0 (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|))) (.cse1 (not (= ~a3~0 1)))) (and (or .cse0 (not (<= (+ |old(~a23~0)| 43) 0)) .cse1) (or (not (<= (+ |old(~a29~0)| 29162) 0)) .cse0 .cse1) (or (not (<= |old(~a25~0)| 11)) .cse0 .cse1) (or (= |old(~a4~0)| 1) .cse0 .cse1) (or (not (<= 13 |old(~a25~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 160 |old(~a23~0)|))))) [2020-10-13 08:09:12,313 INFO L268 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,313 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-13 08:09:12,314 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-13 08:09:12,314 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-13 08:09:12,314 INFO L268 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,314 INFO L268 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,314 INFO L268 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,314 INFO L268 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,314 INFO L268 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,314 INFO L268 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,315 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-13 08:09:12,315 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-13 08:09:12,315 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-13 08:09:12,315 INFO L268 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,315 INFO L268 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,315 INFO L268 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,315 INFO L268 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,315 INFO L268 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,315 INFO L268 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,315 INFO L268 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,316 INFO L268 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,316 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-13 08:09:12,316 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-13 08:09:12,316 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-13 08:09:12,316 INFO L268 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,316 INFO L268 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,316 INFO L268 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,316 INFO L268 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,316 INFO L268 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,317 INFO L268 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,317 INFO L268 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,317 INFO L268 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,317 INFO L268 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,317 INFO L268 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,317 INFO L268 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,317 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-10-13 08:09:12,317 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2020-10-13 08:09:12,317 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-13 08:09:12,318 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-13 08:09:12,318 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-13 08:09:12,318 INFO L268 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,318 INFO L268 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,318 INFO L268 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,318 INFO L268 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,318 INFO L268 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,318 INFO L268 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,318 INFO L268 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,319 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-13 08:09:12,319 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-13 08:09:12,319 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-13 08:09:12,319 INFO L268 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,319 INFO L268 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,319 INFO L268 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,319 INFO L268 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2020-10-13 08:09:12,319 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2020-10-13 08:09:12,319 INFO L268 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,319 INFO L268 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,319 INFO L268 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,320 INFO L268 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,320 INFO L268 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,320 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 132) no Hoare annotation was computed. [2020-10-13 08:09:12,320 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-13 08:09:12,320 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-13 08:09:12,320 INFO L268 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,320 INFO L268 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,320 INFO L268 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2020-10-13 08:09:12,320 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2020-10-13 08:09:12,321 INFO L268 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,321 INFO L268 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,321 INFO L268 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,321 INFO L268 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,321 INFO L268 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,321 INFO L268 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,321 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-13 08:09:12,321 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-13 08:09:12,321 INFO L268 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2020-10-13 08:09:12,321 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2020-10-13 08:09:12,322 INFO L268 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,322 INFO L268 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,322 INFO L268 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,322 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,322 INFO L268 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,322 INFO L268 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,322 INFO L268 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,322 INFO L268 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,322 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-13 08:09:12,322 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-13 08:09:12,323 INFO L268 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2020-10-13 08:09:12,323 INFO L268 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2020-10-13 08:09:12,323 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-10-13 08:09:12,323 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-10-13 08:09:12,323 INFO L268 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,323 INFO L268 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,323 INFO L268 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,323 INFO L268 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,323 INFO L268 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,323 INFO L268 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,324 INFO L268 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,324 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-13 08:09:12,324 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-13 08:09:12,324 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,324 INFO L268 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,324 INFO L268 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,324 INFO L268 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,324 INFO L268 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,324 INFO L268 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,324 INFO L268 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,324 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-13 08:09:12,325 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-13 08:09:12,325 INFO L268 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,326 INFO L268 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,327 INFO L268 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,327 INFO L268 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,327 INFO L268 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,327 INFO L268 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,327 INFO L268 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,327 INFO L268 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-13 08:09:12,327 INFO L268 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,327 INFO L268 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,327 INFO L268 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,328 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-13 08:09:12,328 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-13 08:09:12,328 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-13 08:09:12,328 INFO L268 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,328 INFO L268 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2020-10-13 08:09:12,328 INFO L268 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,328 INFO L268 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2020-10-13 08:09:12,328 INFO L268 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,328 INFO L268 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,328 INFO L268 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,329 INFO L268 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,329 INFO L268 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,329 INFO L268 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,329 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-13 08:09:12,329 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-13 08:09:12,329 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-13 08:09:12,330 INFO L268 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,330 INFO L268 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,331 INFO L268 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,331 INFO L268 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,331 INFO L268 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,331 INFO L268 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,332 INFO L268 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,332 INFO L268 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,332 INFO L268 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,332 INFO L268 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,332 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-13 08:09:12,333 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-13 08:09:12,333 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-13 08:09:12,334 INFO L268 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,334 INFO L268 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2020-10-13 08:09:12,334 INFO L268 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2020-10-13 08:09:12,334 INFO L268 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,334 INFO L268 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,334 INFO L268 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,334 INFO L268 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,334 INFO L268 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,334 INFO L268 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,334 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-13 08:09:12,335 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-13 08:09:12,335 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-13 08:09:12,335 INFO L268 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,335 INFO L268 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,335 INFO L268 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,335 INFO L268 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,335 INFO L268 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2020-10-13 08:09:12,335 INFO L268 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2020-10-13 08:09:12,335 INFO L268 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,335 INFO L268 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,335 INFO L268 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2020-10-13 08:09:12,336 INFO L268 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,336 INFO L268 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,336 INFO L268 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:09:12,336 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:09:12,336 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 10) (<= 307 ~a23~0) (= ~a3~0 1)) [2020-10-13 08:09:12,336 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 08:09:12,336 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:09:12,337 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (<= 307 |old(~a23~0)|)) (not (= 10 |old(~a25~0)|)) (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|)) (not (= ~a3~0 1))) [2020-10-13 08:09:12,337 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2020-10-13 08:09:12,337 INFO L264 CegarLoopResult]: At program point L1042(line 1042) the Hoare annotation is: (or (not (<= 307 |old(~a23~0)|)) (not (= 10 |old(~a25~0)|)) (<= ~a25~0 11) (not (= ~a4~0 1)) (<= (+ ~a23~0 43) 0) (<= 13 ~a25~0) (<= (+ ~a29~0 29162) 0) (not (= ~a3~0 1)) (<= 160 ~a23~0)) [2020-10-13 08:09:12,337 INFO L268 CegarLoopResult]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2020-10-13 08:09:12,337 INFO L268 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2020-10-13 08:09:12,337 INFO L264 CegarLoopResult]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (or (not (<= 307 |old(~a23~0)|)) (not (= 10 |old(~a25~0)|)) (<= ~a25~0 11) (not (= ~a4~0 1)) (<= (+ ~a23~0 43) 0) (<= 13 ~a25~0) (<= (+ ~a29~0 29162) 0) (not (= ~a3~0 1)) (<= 160 ~a23~0)) [2020-10-13 08:09:12,337 INFO L268 CegarLoopResult]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2020-10-13 08:09:12,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:09:12 BoogieIcfgContainer [2020-10-13 08:09:12,368 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 08:09:12,371 INFO L168 Benchmark]: Toolchain (without parser) took 79452.10 ms. Allocated memory was 140.5 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 100.4 MB in the beginning and 434.0 MB in the end (delta: -333.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-10-13 08:09:12,371 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.6 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-13 08:09:12,372 INFO L168 Benchmark]: CACSL2BoogieTranslator took 945.30 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 100.4 MB in the beginning and 145.9 MB in the end (delta: -45.5 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. [2020-10-13 08:09:12,376 INFO L168 Benchmark]: Boogie Preprocessor took 142.65 ms. Allocated memory is still 204.5 MB. Free memory was 145.9 MB in the beginning and 138.8 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 7.1 GB. [2020-10-13 08:09:12,384 INFO L168 Benchmark]: RCFGBuilder took 1917.69 ms. Allocated memory was 204.5 MB in the beginning and 239.1 MB in the end (delta: 34.6 MB). Free memory was 138.8 MB in the beginning and 82.6 MB in the end (delta: 56.3 MB). Peak memory consumption was 90.9 MB. Max. memory is 7.1 GB. [2020-10-13 08:09:12,384 INFO L168 Benchmark]: TraceAbstraction took 76441.50 ms. Allocated memory was 239.1 MB in the beginning and 1.6 GB in the end (delta: 1.3 GB). Free memory was 82.6 MB in the beginning and 434.0 MB in the end (delta: -351.4 MB). Peak memory consumption was 961.4 MB. Max. memory is 7.1 GB. [2020-10-13 08:09:12,389 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.6 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 945.30 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 100.4 MB in the beginning and 145.9 MB in the end (delta: -45.5 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 142.65 ms. Allocated memory is still 204.5 MB. Free memory was 145.9 MB in the beginning and 138.8 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1917.69 ms. Allocated memory was 204.5 MB in the beginning and 239.1 MB in the end (delta: 34.6 MB). Free memory was 138.8 MB in the beginning and 82.6 MB in the end (delta: 56.3 MB). Peak memory consumption was 90.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 76441.50 ms. Allocated memory was 239.1 MB in the beginning and 1.6 GB in the end (delta: 1.3 GB). Free memory was 82.6 MB in the beginning and 434.0 MB in the end (delta: -351.4 MB). Peak memory consumption was 961.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 132]: 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: 1034]: Loop Invariant Derived loop invariant: (((((((!(307 <= \old(a23)) || !(10 == \old(a25))) || a25 <= 11) || !(a4 == 1)) || a23 + 43 <= 0) || 13 <= a25) || a29 + 29162 <= 0) || !(a3 == 1)) || 160 <= a23 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 73.9s, OverallIterations: 14, TraceHistogramMax: 4, AutomataDifference: 32.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 626 SDtfs, 6751 SDslu, 740 SDs, 0 SdLazy, 15138 SolverSat, 1809 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 175 GetRequests, 109 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10080occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 635 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 404 PreInvPairs, 538 NumberOfFragments, 282 HoareAnnotationTreeSize, 404 FomulaSimplifications, 5043452 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 8541 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 38.3s InterpolantComputationTime, 2809 NumberOfCodeBlocks, 2809 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2795 ConstructedInterpolants, 0 QuantifiedInterpolants, 2288073 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 2 PerfectInterpolantSequences, 1614/1631 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...