/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/Problem16_label49.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 09:23:47,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 09:23:47,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 09:23:47,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 09:23:47,377 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 09:23:47,378 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 09:23:47,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 09:23:47,382 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 09:23:47,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 09:23:47,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 09:23:47,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 09:23:47,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 09:23:47,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 09:23:47,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 09:23:47,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 09:23:47,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 09:23:47,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 09:23:47,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 09:23:47,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 09:23:47,395 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 09:23:47,398 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 09:23:47,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 09:23:47,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 09:23:47,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 09:23:47,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 09:23:47,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 09:23:47,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 09:23:47,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 09:23:47,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 09:23:47,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 09:23:47,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 09:23:47,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 09:23:47,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 09:23:47,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 09:23:47,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 09:23:47,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 09:23:47,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 09:23:47,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 09:23:47,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 09:23:47,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 09:23:47,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 09:23:47,413 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 09:23:47,453 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 09:23:47,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 09:23:47,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 09:23:47,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 09:23:47,457 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 09:23:47,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 09:23:47,459 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 09:23:47,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 09:23:47,460 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 09:23:47,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 09:23:47,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 09:23:47,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 09:23:47,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 09:23:47,461 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 09:23:47,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 09:23:47,461 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 09:23:47,461 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 09:23:47,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 09:23:47,462 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 09:23:47,462 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 09:23:47,465 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 09:23:47,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 09:23:47,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 09:23:47,466 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 09:23:47,466 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 09:23:47,466 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 09:23:47,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 09:23:47,467 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 09:23:47,467 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 09:23:47,468 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 09:23:47,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 09:23:47,803 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 09:23:47,810 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 09:23:47,813 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 09:23:47,814 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 09:23:47,815 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label49.c [2020-10-13 09:23:47,880 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b99b8131/0fbe3ab4bdb04f1ab62816f685e5b4d1/FLAG20882dbed [2020-10-13 09:23:48,535 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 09:23:48,535 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem16_label49.c [2020-10-13 09:23:48,558 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b99b8131/0fbe3ab4bdb04f1ab62816f685e5b4d1/FLAG20882dbed [2020-10-13 09:23:48,766 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b99b8131/0fbe3ab4bdb04f1ab62816f685e5b4d1 [2020-10-13 09:23:48,776 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 09:23:48,778 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 09:23:48,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 09:23:48,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 09:23:48,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 09:23:48,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:23:48" (1/1) ... [2020-10-13 09:23:48,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66948a6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:48, skipping insertion in model container [2020-10-13 09:23:48,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:23:48" (1/1) ... [2020-10-13 09:23:48,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 09:23:48,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 09:23:49,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 09:23:49,894 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 09:23:50,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 09:23:50,342 INFO L208 MainTranslator]: Completed translation [2020-10-13 09:23:50,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:50 WrapperNode [2020-10-13 09:23:50,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 09:23:50,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 09:23:50,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 09:23:50,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 09:23:50,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:50" (1/1) ... [2020-10-13 09:23:50,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:50" (1/1) ... [2020-10-13 09:23:50,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:50" (1/1) ... [2020-10-13 09:23:50,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:50" (1/1) ... [2020-10-13 09:23:50,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:50" (1/1) ... [2020-10-13 09:23:50,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:50" (1/1) ... [2020-10-13 09:23:50,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:50" (1/1) ... [2020-10-13 09:23:50,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 09:23:50,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 09:23:50,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 09:23:50,508 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 09:23:50,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:50" (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 09:23:50,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 09:23:50,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 09:23:50,580 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 09:23:50,580 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2020-10-13 09:23:50,580 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 09:23:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 09:23:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2020-10-13 09:23:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 09:23:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 09:23:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 09:23:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 09:23:50,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 09:23:50,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 09:23:52,811 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 09:23:52,814 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 09:23:52,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:23:52 BoogieIcfgContainer [2020-10-13 09:23:52,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 09:23:52,830 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 09:23:52,830 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 09:23:52,833 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 09:23:52,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:23:48" (1/3) ... [2020-10-13 09:23:52,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ffbd156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:23:52, skipping insertion in model container [2020-10-13 09:23:52,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:50" (2/3) ... [2020-10-13 09:23:52,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ffbd156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:23:52, skipping insertion in model container [2020-10-13 09:23:52,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:23:52" (3/3) ... [2020-10-13 09:23:52,841 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem16_label49.c [2020-10-13 09:23:52,852 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 09:23:52,864 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 09:23:52,879 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 09:23:52,913 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 09:23:52,913 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 09:23:52,913 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 09:23:52,914 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 09:23:52,914 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 09:23:52,914 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 09:23:52,914 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 09:23:52,914 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 09:23:52,950 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2020-10-13 09:23:52,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-13 09:23:52,963 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:23:52,964 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 09:23:52,964 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:23:52,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:23:52,971 INFO L82 PathProgramCache]: Analyzing trace with hash -971896627, now seen corresponding path program 1 times [2020-10-13 09:23:52,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:23:52,980 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1030658072] [2020-10-13 09:23:52,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:23:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:23:53,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:23:53,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:23:53,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 09:23:53,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:23:53,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 427 [2020-10-13 09:23:53,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:23:53,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 09:23:53,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 09:23:53,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 09:23:53,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 09:23:53,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:23:53,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:23:53,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:23:53,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:23:53,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:23:53,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:23:53,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 09:23:53,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:23:53,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:23:53,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:23:53,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 09:23:53,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:23:53,706 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 09:23:53,707 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1030658072] [2020-10-13 09:23:53,709 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 09:23:53,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 09:23:53,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134160204] [2020-10-13 09:23:53,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 09:23:53,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:23:53,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 09:23:53,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 09:23:53,736 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 4 states. [2020-10-13 09:23:57,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:23:57,077 INFO L93 Difference]: Finished difference Result 1169 states and 2165 transitions. [2020-10-13 09:23:57,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 09:23:57,081 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 66 [2020-10-13 09:23:57,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:23:57,121 INFO L225 Difference]: With dead ends: 1169 [2020-10-13 09:23:57,121 INFO L226 Difference]: Without dead ends: 696 [2020-10-13 09:23:57,133 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 09:23:57,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2020-10-13 09:23:57,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 689. [2020-10-13 09:23:57,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 689 states. [2020-10-13 09:23:57,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 1077 transitions. [2020-10-13 09:23:57,249 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 1077 transitions. Word has length 66 [2020-10-13 09:23:57,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:23:57,250 INFO L479 AbstractCegarLoop]: Abstraction has 689 states and 1077 transitions. [2020-10-13 09:23:57,250 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 09:23:57,250 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1077 transitions. [2020-10-13 09:23:57,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-13 09:23:57,257 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:23:57,257 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 09:23:57,258 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 09:23:57,258 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:23:57,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:23:57,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1120992661, now seen corresponding path program 1 times [2020-10-13 09:23:57,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:23:57,259 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1554008860] [2020-10-13 09:23:57,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:23:57,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:23:57,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:23:57,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:23:58,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:23:58,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:23:58,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 09:23:58,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 09:23:58,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1192 [2020-10-13 09:23:58,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:23:58,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:23:58,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-13 09:23:58,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-13 09:23:58,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 09:23:58,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:23:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:23:58,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:23:58,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:23:58,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:23:58,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:23:58,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 09:23:58,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:23:58,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:23:58,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:23:58,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:23:58,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:23:58,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:23:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:23:58,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:23:58,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:23:58,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-13 09:23:58,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:23:58,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-13 09:23:58,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:23:58,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:23:58,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:23:58,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-13 09:23:58,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-13 09:23:58,854 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 09:23:58,855 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1554008860] [2020-10-13 09:23:58,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:23:58,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 09:23:58,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884634453] [2020-10-13 09:23:58,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 09:23:58,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:23:58,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 09:23:58,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 09:23:58,858 INFO L87 Difference]: Start difference. First operand 689 states and 1077 transitions. Second operand 5 states. [2020-10-13 09:24:01,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:24:01,626 INFO L93 Difference]: Finished difference Result 1443 states and 2229 transitions. [2020-10-13 09:24:01,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 09:24:01,628 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2020-10-13 09:24:01,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:24:01,633 INFO L225 Difference]: With dead ends: 1443 [2020-10-13 09:24:01,634 INFO L226 Difference]: Without dead ends: 696 [2020-10-13 09:24:01,637 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 09:24:01,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2020-10-13 09:24:01,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 689. [2020-10-13 09:24:01,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 689 states. [2020-10-13 09:24:01,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 957 transitions. [2020-10-13 09:24:01,660 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 957 transitions. Word has length 141 [2020-10-13 09:24:01,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:24:01,661 INFO L479 AbstractCegarLoop]: Abstraction has 689 states and 957 transitions. [2020-10-13 09:24:01,661 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 09:24:01,662 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 957 transitions. [2020-10-13 09:24:01,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-13 09:24:01,664 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:24:01,664 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 09:24:01,665 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 09:24:01,665 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:24:01,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:24:01,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1593347615, now seen corresponding path program 1 times [2020-10-13 09:24:01,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:24:01,666 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1314017416] [2020-10-13 09:24:01,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:24:01,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:01,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:02,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:02,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:03,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:03,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-13 09:24:03,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 09:24:03,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1276 [2020-10-13 09:24:03,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:03,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:24:03,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-13 09:24:03,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-13 09:24:03,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:24:03,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:24:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:03,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:03,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:03,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:24:03,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:24:03,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:24:03,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:03,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:24:03,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:24:03,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:24:03,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 09:24:03,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:24:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:03,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:03,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:03,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-13 09:24:03,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:24:03,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-13 09:24:03,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:03,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:24:03,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:24:03,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-13 09:24:03,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:24:03,453 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 09:24:03,454 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1314017416] [2020-10-13 09:24:03,454 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:24:03,454 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 09:24:03,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092223248] [2020-10-13 09:24:03,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 09:24:03,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:24:03,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 09:24:03,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 09:24:03,456 INFO L87 Difference]: Start difference. First operand 689 states and 957 transitions. Second operand 5 states. [2020-10-13 09:24:05,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:24:05,565 INFO L93 Difference]: Finished difference Result 1443 states and 1989 transitions. [2020-10-13 09:24:05,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 09:24:05,567 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 151 [2020-10-13 09:24:05,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:24:05,577 INFO L225 Difference]: With dead ends: 1443 [2020-10-13 09:24:05,577 INFO L226 Difference]: Without dead ends: 696 [2020-10-13 09:24:05,580 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 09:24:05,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2020-10-13 09:24:05,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 689. [2020-10-13 09:24:05,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 689 states. [2020-10-13 09:24:05,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 920 transitions. [2020-10-13 09:24:05,605 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 920 transitions. Word has length 151 [2020-10-13 09:24:05,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:24:05,605 INFO L479 AbstractCegarLoop]: Abstraction has 689 states and 920 transitions. [2020-10-13 09:24:05,606 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 09:24:05,606 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 920 transitions. [2020-10-13 09:24:05,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-13 09:24:05,612 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:24:05,612 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 09:24:05,612 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 09:24:05,612 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:24:05,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:24:05,613 INFO L82 PathProgramCache]: Analyzing trace with hash -487949415, now seen corresponding path program 1 times [2020-10-13 09:24:05,613 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:24:05,614 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1156327758] [2020-10-13 09:24:05,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:24:05,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:05,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:05,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:06,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:06,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:06,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-10-13 09:24:06,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 09:24:06,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 725 [2020-10-13 09:24:06,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:06,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:24:06,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 99 [2020-10-13 09:24:06,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-13 09:24:06,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:24:06,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:24:06,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:06,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:06,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:06,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:24:06,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:24:06,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:24:06,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:06,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:24:06,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:24:06,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:24:06,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:24:06,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:24:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:06,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:06,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:06,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-13 09:24:06,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:24:06,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-13 09:24:06,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:06,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:24:06,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:24:06,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-13 09:24:06,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:24:06,645 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 09:24:06,647 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1156327758] [2020-10-13 09:24:06,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:24:06,647 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 09:24:06,648 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099525899] [2020-10-13 09:24:06,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 09:24:06,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:24:06,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 09:24:06,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 09:24:06,651 INFO L87 Difference]: Start difference. First operand 689 states and 920 transitions. Second operand 5 states. [2020-10-13 09:24:08,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:24:08,667 INFO L93 Difference]: Finished difference Result 1443 states and 1914 transitions. [2020-10-13 09:24:08,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 09:24:08,668 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 155 [2020-10-13 09:24:08,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:24:08,674 INFO L225 Difference]: With dead ends: 1443 [2020-10-13 09:24:08,674 INFO L226 Difference]: Without dead ends: 696 [2020-10-13 09:24:08,676 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 09:24:08,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2020-10-13 09:24:08,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 689. [2020-10-13 09:24:08,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 689 states. [2020-10-13 09:24:08,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 853 transitions. [2020-10-13 09:24:08,699 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 853 transitions. Word has length 155 [2020-10-13 09:24:08,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:24:08,700 INFO L479 AbstractCegarLoop]: Abstraction has 689 states and 853 transitions. [2020-10-13 09:24:08,700 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 09:24:08,700 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 853 transitions. [2020-10-13 09:24:08,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-13 09:24:08,702 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:24:08,702 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 09:24:08,703 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 09:24:08,703 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:24:08,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:24:08,703 INFO L82 PathProgramCache]: Analyzing trace with hash 395404557, now seen corresponding path program 1 times [2020-10-13 09:24:08,703 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:24:08,704 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1718059780] [2020-10-13 09:24:08,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:24:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:08,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:08,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:09,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:09,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:09,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-13 09:24:09,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 09:24:09,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 905 [2020-10-13 09:24:09,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:09,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:24:09,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-13 09:24:09,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-13 09:24:09,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:24:09,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:24:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:09,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:09,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:09,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:24:09,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:24:09,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 09:24:09,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:09,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:24:09,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:24:09,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:24:09,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:24:09,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:24:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:09,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:09,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:09,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-13 09:24:09,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:24:09,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-13 09:24:09,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:09,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:24:09,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:24:09,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-13 09:24:09,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:24:09,928 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 09:24:09,929 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1718059780] [2020-10-13 09:24:09,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:24:09,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 09:24:09,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770487669] [2020-10-13 09:24:09,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 09:24:09,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:24:09,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 09:24:09,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 09:24:09,931 INFO L87 Difference]: Start difference. First operand 689 states and 853 transitions. Second operand 5 states. [2020-10-13 09:24:12,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:24:12,298 INFO L93 Difference]: Finished difference Result 1721 states and 2186 transitions. [2020-10-13 09:24:12,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 09:24:12,299 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 177 [2020-10-13 09:24:12,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:24:12,306 INFO L225 Difference]: With dead ends: 1721 [2020-10-13 09:24:12,306 INFO L226 Difference]: Without dead ends: 1038 [2020-10-13 09:24:12,309 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 09:24:12,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2020-10-13 09:24:12,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 1034. [2020-10-13 09:24:12,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1034 states. [2020-10-13 09:24:12,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1230 transitions. [2020-10-13 09:24:12,334 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1230 transitions. Word has length 177 [2020-10-13 09:24:12,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:24:12,334 INFO L479 AbstractCegarLoop]: Abstraction has 1034 states and 1230 transitions. [2020-10-13 09:24:12,335 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 09:24:12,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1230 transitions. [2020-10-13 09:24:12,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2020-10-13 09:24:12,339 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:24:12,339 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 09:24:12,340 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 09:24:12,340 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:24:12,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:24:12,340 INFO L82 PathProgramCache]: Analyzing trace with hash 2099447996, now seen corresponding path program 1 times [2020-10-13 09:24:12,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:24:12,341 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1935895691] [2020-10-13 09:24:12,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:24:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:12,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:12,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:13,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:13,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:15,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:17,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:17,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 299 [2020-10-13 09:24:17,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 09:24:17,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-13 09:24:17,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:17,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:24:17,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 233 [2020-10-13 09:24:17,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-13 09:24:17,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:24:17,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:24:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:17,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:17,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:17,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:24:17,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:24:17,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 09:24:17,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:17,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:24:17,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:24:17,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:24:17,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:24:17,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:24:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:17,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:17,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:17,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-13 09:24:17,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:24:17,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 09:24:17,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:17,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:24:17,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:24:17,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:24:17,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:24:17,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 09:24:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:17,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:17,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:17,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 09:24:17,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:24:17,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-13 09:24:17,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:17,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:24:17,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:24:17,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-13 09:24:17,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:24:17,894 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2020-10-13 09:24:17,894 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1935895691] [2020-10-13 09:24:17,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:24:17,896 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 09:24:17,896 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049552705] [2020-10-13 09:24:17,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 09:24:17,898 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:24:17,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 09:24:17,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 09:24:17,899 INFO L87 Difference]: Start difference. First operand 1034 states and 1230 transitions. Second operand 5 states. [2020-10-13 09:24:20,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:24:20,291 INFO L93 Difference]: Finished difference Result 2750 states and 3319 transitions. [2020-10-13 09:24:20,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 09:24:20,292 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 287 [2020-10-13 09:24:20,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:24:20,302 INFO L225 Difference]: With dead ends: 2750 [2020-10-13 09:24:20,302 INFO L226 Difference]: Without dead ends: 1722 [2020-10-13 09:24:20,305 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 09:24:20,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1722 states. [2020-10-13 09:24:20,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1722 to 1718. [2020-10-13 09:24:20,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1718 states. [2020-10-13 09:24:20,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1718 states to 1718 states and 2042 transitions. [2020-10-13 09:24:20,348 INFO L78 Accepts]: Start accepts. Automaton has 1718 states and 2042 transitions. Word has length 287 [2020-10-13 09:24:20,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:24:20,348 INFO L479 AbstractCegarLoop]: Abstraction has 1718 states and 2042 transitions. [2020-10-13 09:24:20,349 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 09:24:20,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1718 states and 2042 transitions. [2020-10-13 09:24:20,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2020-10-13 09:24:20,356 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:24:20,356 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 09:24:20,357 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 09:24:20,357 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:24:20,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:24:20,357 INFO L82 PathProgramCache]: Analyzing trace with hash -311920937, now seen corresponding path program 1 times [2020-10-13 09:24:20,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:24:20,358 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1996668005] [2020-10-13 09:24:20,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:24:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:20,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:20,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:20,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:20,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:21,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:23,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:25,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:25,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 373 [2020-10-13 09:24:25,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 09:24:25,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-13 09:24:25,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:25,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 09:24:25,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-13 09:24:25,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-13 09:24:25,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:24:25,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:24:25,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:25,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:25,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:25,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:24:25,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:24:25,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:24:25,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:25,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:24:25,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:24:25,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:24:25,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:24:25,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:24:25,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:25,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:25,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:25,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-13 09:24:25,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:24:25,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-13 09:24:25,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:25,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:24:25,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:24:25,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-13 09:24:25,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:24:25,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 09:24:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:25,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:25,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:26,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:26,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 09:24:26,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 09:24:26,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 538 [2020-10-13 09:24:26,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:26,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 09:24:26,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 09:24:26,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-13 09:24:26,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:24:26,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-13 09:24:26,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:26,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:26,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:26,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 09:24:26,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:24:26,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 09:24:26,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:26,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:24:26,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-13 09:24:26,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:24:26,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:24:27,198 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 288 proven. 71 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-13 09:24:27,199 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1996668005] [2020-10-13 09:24:27,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:24:27,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-13 09:24:27,200 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860786873] [2020-10-13 09:24:27,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 09:24:27,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:24:27,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 09:24:27,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 09:24:27,202 INFO L87 Difference]: Start difference. First operand 1718 states and 2042 transitions. Second operand 10 states. [2020-10-13 09:24:30,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:24:30,607 INFO L93 Difference]: Finished difference Result 3661 states and 4354 transitions. [2020-10-13 09:24:30,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 09:24:30,610 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 359 [2020-10-13 09:24:30,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:24:30,621 INFO L225 Difference]: With dead ends: 3661 [2020-10-13 09:24:30,621 INFO L226 Difference]: Without dead ends: 1860 [2020-10-13 09:24:30,628 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=127, Invalid=335, Unknown=0, NotChecked=0, Total=462 [2020-10-13 09:24:30,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1860 states. [2020-10-13 09:24:30,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1860 to 1721. [2020-10-13 09:24:30,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1721 states. [2020-10-13 09:24:30,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1721 states and 1991 transitions. [2020-10-13 09:24:30,698 INFO L78 Accepts]: Start accepts. Automaton has 1721 states and 1991 transitions. Word has length 359 [2020-10-13 09:24:30,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:24:30,699 INFO L479 AbstractCegarLoop]: Abstraction has 1721 states and 1991 transitions. [2020-10-13 09:24:30,699 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 09:24:30,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 1991 transitions. [2020-10-13 09:24:30,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2020-10-13 09:24:30,706 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:24:30,706 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 09:24:30,706 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 09:24:30,707 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:24:30,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:24:30,707 INFO L82 PathProgramCache]: Analyzing trace with hash -1692993905, now seen corresponding path program 1 times [2020-10-13 09:24:30,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:24:30,708 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [747806581] [2020-10-13 09:24:30,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:24:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:30,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:30,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:30,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:33,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:34,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:35,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:35,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 377 [2020-10-13 09:24:35,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 09:24:35,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-13 09:24:35,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:35,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 09:24:35,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 311 [2020-10-13 09:24:35,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-13 09:24:35,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:24:35,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:24:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:35,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:35,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:35,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:24:35,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:24:35,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:24:35,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:35,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:24:35,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:24:35,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:24:35,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:24:35,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:24:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:35,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:35,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:35,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-13 09:24:35,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:24:35,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 09:24:35,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:35,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:24:35,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:24:35,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:24:35,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:24:35,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-13 09:24:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:36,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:36,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:36,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 09:24:36,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:24:36,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 09:24:36,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:36,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:24:36,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:24:36,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:24:36,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:24:36,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-10-13 09:24:36,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:36,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:36,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:36,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 09:24:36,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:24:36,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-13 09:24:36,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:36,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:24:36,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:24:36,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-13 09:24:36,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:24:36,260 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 180 proven. 3 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2020-10-13 09:24:36,261 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [747806581] [2020-10-13 09:24:36,261 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:24:36,261 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 09:24:36,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405052200] [2020-10-13 09:24:36,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 09:24:36,262 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:24:36,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 09:24:36,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 09:24:36,263 INFO L87 Difference]: Start difference. First operand 1721 states and 1991 transitions. Second operand 8 states. [2020-10-13 09:24:38,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:24:38,135 INFO L93 Difference]: Finished difference Result 3530 states and 4108 transitions. [2020-10-13 09:24:38,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 09:24:38,136 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 363 [2020-10-13 09:24:38,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:24:38,145 INFO L225 Difference]: With dead ends: 3530 [2020-10-13 09:24:38,145 INFO L226 Difference]: Without dead ends: 1731 [2020-10-13 09:24:38,151 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 09:24:38,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2020-10-13 09:24:38,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 1721. [2020-10-13 09:24:38,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1721 states. [2020-10-13 09:24:38,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1721 states and 1985 transitions. [2020-10-13 09:24:38,194 INFO L78 Accepts]: Start accepts. Automaton has 1721 states and 1985 transitions. Word has length 363 [2020-10-13 09:24:38,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:24:38,195 INFO L479 AbstractCegarLoop]: Abstraction has 1721 states and 1985 transitions. [2020-10-13 09:24:38,195 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 09:24:38,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 1985 transitions. [2020-10-13 09:24:38,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2020-10-13 09:24:38,205 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:24:38,205 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 09:24:38,205 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 09:24:38,206 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:24:38,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:24:38,206 INFO L82 PathProgramCache]: Analyzing trace with hash 1406666023, now seen corresponding path program 1 times [2020-10-13 09:24:38,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:24:38,207 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [46273663] [2020-10-13 09:24:38,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:24:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:38,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:38,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:38,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:40,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:40,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:43,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:43,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 397 [2020-10-13 09:24:43,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 09:24:43,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-13 09:24:43,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:43,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:24:43,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 331 [2020-10-13 09:24:43,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-13 09:24:43,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:24:43,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:24:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:43,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:43,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:43,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:24:43,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:24:43,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:24:43,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:43,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:24:43,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:24:43,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:24:43,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:24:43,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:24:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:43,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:43,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:43,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-13 09:24:43,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:24:43,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 09:24:43,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:43,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:24:43,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:24:43,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:24:43,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:24:43,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-13 09:24:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:43,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:43,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:43,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 09:24:43,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:24:43,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 09:24:43,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:43,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:24:43,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:24:43,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:24:43,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:24:43,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-10-13 09:24:43,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:43,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:43,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:43,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-13 09:24:43,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:24:43,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 09:24:43,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:43,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:24:43,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:24:43,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-13 09:24:43,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:24:43,558 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 180 proven. 3 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2020-10-13 09:24:43,558 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [46273663] [2020-10-13 09:24:43,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:24:43,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 09:24:43,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347701768] [2020-10-13 09:24:43,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 09:24:43,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:24:43,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 09:24:43,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 09:24:43,560 INFO L87 Difference]: Start difference. First operand 1721 states and 1985 transitions. Second operand 5 states. [2020-10-13 09:24:45,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:24:45,112 INFO L93 Difference]: Finished difference Result 3471 states and 4017 transitions. [2020-10-13 09:24:45,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 09:24:45,118 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 383 [2020-10-13 09:24:45,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:24:45,127 INFO L225 Difference]: With dead ends: 3471 [2020-10-13 09:24:45,127 INFO L226 Difference]: Without dead ends: 1731 [2020-10-13 09:24:45,132 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 09:24:45,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2020-10-13 09:24:45,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 1721. [2020-10-13 09:24:45,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1721 states. [2020-10-13 09:24:45,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1721 states and 1983 transitions. [2020-10-13 09:24:45,170 INFO L78 Accepts]: Start accepts. Automaton has 1721 states and 1983 transitions. Word has length 383 [2020-10-13 09:24:45,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:24:45,171 INFO L479 AbstractCegarLoop]: Abstraction has 1721 states and 1983 transitions. [2020-10-13 09:24:45,171 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 09:24:45,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 1983 transitions. [2020-10-13 09:24:45,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2020-10-13 09:24:45,175 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:24:45,176 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-13 09:24:45,176 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 09:24:45,176 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:24:45,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:24:45,176 INFO L82 PathProgramCache]: Analyzing trace with hash 928246094, now seen corresponding path program 1 times [2020-10-13 09:24:45,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:24:45,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [759011234] [2020-10-13 09:24:45,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:24:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:45,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:45,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:45,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:45,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:49,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:50,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:50,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 412 [2020-10-13 09:24:50,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 09:24:50,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 09:24:50,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:50,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:24:50,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 346 [2020-10-13 09:24:50,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 09:24:50,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:24:50,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:24:50,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:50,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:50,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:50,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:24:50,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:24:50,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 09:24:50,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:50,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:24:50,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:24:50,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:24:50,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:24:50,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:24:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:50,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:50,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:50,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-13 09:24:50,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:24:50,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 09:24:50,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:50,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:24:50,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:24:50,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:24:50,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:24:50,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-13 09:24:50,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:50,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:50,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:50,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 09:24:50,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:24:50,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 09:24:50,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:50,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:24:50,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:24:50,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:24:50,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:24:50,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-10-13 09:24:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:50,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:50,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:50,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-13 09:24:50,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:24:50,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 09:24:50,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:50,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:24:50,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:24:50,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-13 09:24:50,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:24:50,515 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 180 proven. 3 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2020-10-13 09:24:50,516 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [759011234] [2020-10-13 09:24:50,516 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:24:50,516 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 09:24:50,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867598510] [2020-10-13 09:24:50,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 09:24:50,517 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:24:50,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 09:24:50,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 09:24:50,517 INFO L87 Difference]: Start difference. First operand 1721 states and 1983 transitions. Second operand 5 states. [2020-10-13 09:24:52,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:24:52,100 INFO L93 Difference]: Finished difference Result 3460 states and 4002 transitions. [2020-10-13 09:24:52,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 09:24:52,102 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 398 [2020-10-13 09:24:52,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:24:52,109 INFO L225 Difference]: With dead ends: 3460 [2020-10-13 09:24:52,110 INFO L226 Difference]: Without dead ends: 1731 [2020-10-13 09:24:52,113 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 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 09:24:52,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2020-10-13 09:24:52,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 1721. [2020-10-13 09:24:52,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1721 states. [2020-10-13 09:24:52,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1721 states and 1981 transitions. [2020-10-13 09:24:52,150 INFO L78 Accepts]: Start accepts. Automaton has 1721 states and 1981 transitions. Word has length 398 [2020-10-13 09:24:52,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:24:52,150 INFO L479 AbstractCegarLoop]: Abstraction has 1721 states and 1981 transitions. [2020-10-13 09:24:52,150 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 09:24:52,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 1981 transitions. [2020-10-13 09:24:52,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2020-10-13 09:24:52,154 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:24:52,155 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 09:24:52,155 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 09:24:52,155 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:24:52,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:24:52,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1592279927, now seen corresponding path program 1 times [2020-10-13 09:24:52,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:24:52,156 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1337377554] [2020-10-13 09:24:52,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:24:52,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:52,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:52,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:52,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:54,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:54,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:57,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:57,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 421 [2020-10-13 09:24:57,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 09:24:57,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-13 09:24:57,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:57,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 09:24:57,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 355 [2020-10-13 09:24:57,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 09:24:57,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:24:57,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:24:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:57,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:57,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:57,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:24:57,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:24:57,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 09:24:57,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:57,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:24:57,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:24:57,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:24:57,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:24:57,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:24:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:57,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:57,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:57,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-13 09:24:57,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:24:57,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 09:24:57,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:57,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:24:57,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:24:57,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:24:57,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:24:57,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-13 09:24:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:57,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:57,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:57,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 09:24:57,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:24:57,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 09:24:57,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:57,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:24:57,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:24:57,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:24:57,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:24:57,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-10-13 09:24:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:57,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:57,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:24:57,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-13 09:24:57,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:24:57,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-13 09:24:57,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:24:57,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:24:57,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:24:57,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-13 09:24:57,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:24:57,647 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 180 proven. 3 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2020-10-13 09:24:57,647 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1337377554] [2020-10-13 09:24:57,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:24:57,648 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 09:24:57,648 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555737925] [2020-10-13 09:24:57,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 09:24:57,649 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:24:57,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 09:24:57,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 09:24:57,649 INFO L87 Difference]: Start difference. First operand 1721 states and 1981 transitions. Second operand 8 states. [2020-10-13 09:24:59,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:24:59,435 INFO L93 Difference]: Finished difference Result 3515 states and 4064 transitions. [2020-10-13 09:24:59,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 09:24:59,441 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 407 [2020-10-13 09:24:59,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:24:59,453 INFO L225 Difference]: With dead ends: 3515 [2020-10-13 09:24:59,453 INFO L226 Difference]: Without dead ends: 1731 [2020-10-13 09:24:59,458 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 09:24:59,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2020-10-13 09:24:59,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 1721. [2020-10-13 09:24:59,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1721 states. [2020-10-13 09:24:59,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1721 states and 1975 transitions. [2020-10-13 09:24:59,506 INFO L78 Accepts]: Start accepts. Automaton has 1721 states and 1975 transitions. Word has length 407 [2020-10-13 09:24:59,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:24:59,507 INFO L479 AbstractCegarLoop]: Abstraction has 1721 states and 1975 transitions. [2020-10-13 09:24:59,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 09:24:59,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 1975 transitions. [2020-10-13 09:24:59,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2020-10-13 09:24:59,511 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:24:59,512 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 09:24:59,512 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 09:24:59,512 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:24:59,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:24:59,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1056046361, now seen corresponding path program 1 times [2020-10-13 09:24:59,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:24:59,513 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [53221525] [2020-10-13 09:24:59,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:24:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:24:59,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:59,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:24:59,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:01,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:01,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:04,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:04,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:04,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 429 [2020-10-13 09:25:04,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 09:25:04,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 09:25:04,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:04,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:25:04,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 363 [2020-10-13 09:25:04,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 09:25:04,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:25:04,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:25:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:04,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:04,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:04,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:25:04,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:25:04,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 09:25:04,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:04,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:25:04,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:25:04,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:25:04,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:25:04,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:25:04,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:04,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:04,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:04,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-13 09:25:04,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:25:04,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 09:25:04,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:04,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:25:04,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:25:04,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:25:04,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:25:04,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-13 09:25:04,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:04,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:04,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:04,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 09:25:04,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:25:04,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 09:25:04,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:04,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:25:04,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:25:04,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:25:04,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:25:04,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-10-13 09:25:04,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:04,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:04,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:04,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-13 09:25:04,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:25:04,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-13 09:25:04,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:04,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:25:04,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:25:04,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-13 09:25:04,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:25:04,929 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 180 proven. 3 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2020-10-13 09:25:04,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [53221525] [2020-10-13 09:25:04,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:25:04,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 09:25:04,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893720413] [2020-10-13 09:25:04,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 09:25:04,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:25:04,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 09:25:04,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 09:25:04,931 INFO L87 Difference]: Start difference. First operand 1721 states and 1975 transitions. Second operand 5 states. [2020-10-13 09:25:06,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:25:06,591 INFO L93 Difference]: Finished difference Result 3472 states and 3998 transitions. [2020-10-13 09:25:06,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 09:25:06,596 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 415 [2020-10-13 09:25:06,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:25:06,604 INFO L225 Difference]: With dead ends: 3472 [2020-10-13 09:25:06,605 INFO L226 Difference]: Without dead ends: 1731 [2020-10-13 09:25:06,608 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 09:25:06,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2020-10-13 09:25:06,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 1721. [2020-10-13 09:25:06,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1721 states. [2020-10-13 09:25:06,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1721 states and 1973 transitions. [2020-10-13 09:25:06,648 INFO L78 Accepts]: Start accepts. Automaton has 1721 states and 1973 transitions. Word has length 415 [2020-10-13 09:25:06,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:25:06,649 INFO L479 AbstractCegarLoop]: Abstraction has 1721 states and 1973 transitions. [2020-10-13 09:25:06,649 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 09:25:06,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 1973 transitions. [2020-10-13 09:25:06,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2020-10-13 09:25:06,654 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:25:06,655 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:25:06,655 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 09:25:06,655 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:25:06,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:25:06,655 INFO L82 PathProgramCache]: Analyzing trace with hash -792550550, now seen corresponding path program 1 times [2020-10-13 09:25:06,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:25:06,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1426325098] [2020-10-13 09:25:06,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:25:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:06,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:06,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:06,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:08,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:09,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:09,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:11,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:11,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 478 [2020-10-13 09:25:11,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 09:25:11,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-13 09:25:11,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:11,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:25:11,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 412 [2020-10-13 09:25:11,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-13 09:25:11,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:25:11,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:25:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:11,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:11,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:11,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:25:11,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:25:11,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 09:25:11,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:11,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:25:11,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:25:11,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:25:11,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:25:11,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:25:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:11,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:11,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:11,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-13 09:25:11,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:25:11,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 09:25:11,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:11,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:25:11,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:25:11,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:25:11,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:25:11,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-13 09:25:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:11,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:11,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:11,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 09:25:11,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:25:11,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 09:25:11,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:11,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:25:11,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:25:11,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:25:11,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:25:11,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-10-13 09:25:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:11,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:12,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:12,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-13 09:25:12,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:25:12,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-13 09:25:12,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:12,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:25:12,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:25:12,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 168 [2020-10-13 09:25:12,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:25:12,210 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 180 proven. 3 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2020-10-13 09:25:12,211 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1426325098] [2020-10-13 09:25:12,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:25:12,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 09:25:12,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050669666] [2020-10-13 09:25:12,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 09:25:12,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:25:12,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 09:25:12,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 09:25:12,212 INFO L87 Difference]: Start difference. First operand 1721 states and 1973 transitions. Second operand 5 states. [2020-10-13 09:25:13,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:25:13,796 INFO L93 Difference]: Finished difference Result 3475 states and 3997 transitions. [2020-10-13 09:25:13,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 09:25:13,797 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 464 [2020-10-13 09:25:13,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:25:13,803 INFO L225 Difference]: With dead ends: 3475 [2020-10-13 09:25:13,803 INFO L226 Difference]: Without dead ends: 1731 [2020-10-13 09:25:13,807 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 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 09:25:13,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2020-10-13 09:25:13,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 1721. [2020-10-13 09:25:13,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1721 states. [2020-10-13 09:25:13,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1721 states and 1971 transitions. [2020-10-13 09:25:13,841 INFO L78 Accepts]: Start accepts. Automaton has 1721 states and 1971 transitions. Word has length 464 [2020-10-13 09:25:13,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:25:13,842 INFO L479 AbstractCegarLoop]: Abstraction has 1721 states and 1971 transitions. [2020-10-13 09:25:13,842 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 09:25:13,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 1971 transitions. [2020-10-13 09:25:13,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2020-10-13 09:25:13,847 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:25:13,848 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:25:13,848 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 09:25:13,848 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:25:13,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:25:13,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1971565062, now seen corresponding path program 1 times [2020-10-13 09:25:13,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:25:13,849 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [676574545] [2020-10-13 09:25:13,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:25:13,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:13,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:13,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:14,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:14,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:18,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:18,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:18,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 480 [2020-10-13 09:25:18,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 09:25:18,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 09:25:18,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:18,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:25:18,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 414 [2020-10-13 09:25:18,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 09:25:18,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:25:19,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:25:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:19,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:19,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:19,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:25:19,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:25:19,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:25:19,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:19,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:25:19,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:25:19,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:25:19,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:25:19,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:25:19,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:19,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:19,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:19,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-13 09:25:19,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:25:19,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 09:25:19,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:19,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:25:19,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:25:19,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:25:19,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:25:19,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-13 09:25:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:19,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:19,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:19,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 09:25:19,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:25:19,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 09:25:19,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:19,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:25:19,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:25:19,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:25:19,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:25:19,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-10-13 09:25:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:19,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:19,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:19,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-13 09:25:19,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:25:19,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-13 09:25:19,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:19,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:25:19,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:25:19,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-13 09:25:19,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:25:19,341 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 180 proven. 3 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2020-10-13 09:25:19,341 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [676574545] [2020-10-13 09:25:19,341 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:25:19,341 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 09:25:19,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28269733] [2020-10-13 09:25:19,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 09:25:19,342 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:25:19,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 09:25:19,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 09:25:19,343 INFO L87 Difference]: Start difference. First operand 1721 states and 1971 transitions. Second operand 5 states. [2020-10-13 09:25:20,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:25:20,900 INFO L93 Difference]: Finished difference Result 3459 states and 3977 transitions. [2020-10-13 09:25:20,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 09:25:20,901 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 466 [2020-10-13 09:25:20,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:25:20,905 INFO L225 Difference]: With dead ends: 3459 [2020-10-13 09:25:20,905 INFO L226 Difference]: Without dead ends: 1731 [2020-10-13 09:25:20,908 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 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 09:25:20,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2020-10-13 09:25:20,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 1721. [2020-10-13 09:25:20,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1721 states. [2020-10-13 09:25:20,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1721 states and 1969 transitions. [2020-10-13 09:25:20,943 INFO L78 Accepts]: Start accepts. Automaton has 1721 states and 1969 transitions. Word has length 466 [2020-10-13 09:25:20,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:25:20,944 INFO L479 AbstractCegarLoop]: Abstraction has 1721 states and 1969 transitions. [2020-10-13 09:25:20,944 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 09:25:20,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 1969 transitions. [2020-10-13 09:25:20,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2020-10-13 09:25:20,950 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:25:20,950 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:25:20,951 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 09:25:20,951 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:25:20,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:25:20,951 INFO L82 PathProgramCache]: Analyzing trace with hash -632453045, now seen corresponding path program 1 times [2020-10-13 09:25:20,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:25:20,952 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1617844954] [2020-10-13 09:25:20,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:25:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:21,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:21,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:21,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:23,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:23,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:26,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:26,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 523 [2020-10-13 09:25:26,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 09:25:26,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-13 09:25:26,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:26,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:25:26,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 457 [2020-10-13 09:25:26,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 09:25:26,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:25:26,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:25:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:26,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:26,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:26,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:25:26,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:25:26,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:25:26,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:26,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:25:26,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:25:26,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:25:26,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:25:26,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:25:26,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:26,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:26,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:26,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-13 09:25:26,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:25:26,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 09:25:26,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:26,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:25:26,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:25:26,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:25:26,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 29 [2020-10-13 09:25:26,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-13 09:25:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:26,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:26,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:26,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 09:25:26,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:25:26,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 09:25:26,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:26,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:25:26,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:25:26,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:25:26,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:25:26,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-10-13 09:25:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:26,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:26,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:26,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-13 09:25:26,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:25:26,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-13 09:25:26,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:26,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:25:26,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:25:26,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 213 [2020-10-13 09:25:26,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:25:26,496 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 180 proven. 3 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2020-10-13 09:25:26,497 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1617844954] [2020-10-13 09:25:26,497 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:25:26,497 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 09:25:26,497 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943932766] [2020-10-13 09:25:26,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 09:25:26,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:25:26,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 09:25:26,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 09:25:26,498 INFO L87 Difference]: Start difference. First operand 1721 states and 1969 transitions. Second operand 5 states. [2020-10-13 09:25:28,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:25:28,100 INFO L93 Difference]: Finished difference Result 3463 states and 3977 transitions. [2020-10-13 09:25:28,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 09:25:28,101 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 509 [2020-10-13 09:25:28,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:25:28,106 INFO L225 Difference]: With dead ends: 3463 [2020-10-13 09:25:28,106 INFO L226 Difference]: Without dead ends: 1731 [2020-10-13 09:25:28,109 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 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 09:25:28,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2020-10-13 09:25:28,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 1721. [2020-10-13 09:25:28,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1721 states. [2020-10-13 09:25:28,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1721 states and 1967 transitions. [2020-10-13 09:25:28,152 INFO L78 Accepts]: Start accepts. Automaton has 1721 states and 1967 transitions. Word has length 509 [2020-10-13 09:25:28,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:25:28,152 INFO L479 AbstractCegarLoop]: Abstraction has 1721 states and 1967 transitions. [2020-10-13 09:25:28,152 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 09:25:28,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 1967 transitions. [2020-10-13 09:25:28,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 578 [2020-10-13 09:25:28,159 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:25:28,160 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:25:28,160 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 09:25:28,160 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:25:28,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:25:28,161 INFO L82 PathProgramCache]: Analyzing trace with hash -464010365, now seen corresponding path program 1 times [2020-10-13 09:25:28,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:25:28,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1917660594] [2020-10-13 09:25:28,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:25:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:28,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:28,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:28,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:29,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:33,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:33,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 591 [2020-10-13 09:25:33,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 09:25:33,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-10-13 09:25:33,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:33,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:25:33,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-13 09:25:33,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-13 09:25:33,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:25:33,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:25:33,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:33,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:33,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:33,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:25:33,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:25:33,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:25:33,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:33,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:25:33,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:25:33,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:25:33,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:25:33,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:25:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:33,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:33,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:33,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-13 09:25:33,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:25:33,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 09:25:33,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:33,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:25:33,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:25:33,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-13 09:25:33,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:25:33,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-13 09:25:33,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:33,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:33,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:33,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 09:25:33,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:25:33,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-13 09:25:33,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:33,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:25:33,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 09:25:33,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-13 09:25:33,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:25:33,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-10-13 09:25:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:33,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:33,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:33,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-10-13 09:25:33,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:25:33,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-13 09:25:33,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:33,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:25:33,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 284 [2020-10-13 09:25:33,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:25:33,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:25:33,825 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 288 proven. 109 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-13 09:25:33,825 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1917660594] [2020-10-13 09:25:33,826 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:25:33,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 09:25:33,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849132741] [2020-10-13 09:25:33,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 09:25:33,827 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:25:33,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 09:25:33,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 09:25:33,828 INFO L87 Difference]: Start difference. First operand 1721 states and 1967 transitions. Second operand 7 states. [2020-10-13 09:25:38,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:25:38,401 INFO L93 Difference]: Finished difference Result 5251 states and 6225 transitions. [2020-10-13 09:25:38,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 09:25:38,402 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 577 [2020-10-13 09:25:38,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:25:38,413 INFO L225 Difference]: With dead ends: 5251 [2020-10-13 09:25:38,413 INFO L226 Difference]: Without dead ends: 3536 [2020-10-13 09:25:38,416 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-13 09:25:38,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3536 states. [2020-10-13 09:25:38,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3536 to 3112. [2020-10-13 09:25:38,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3112 states. [2020-10-13 09:25:38,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3112 states to 3112 states and 3446 transitions. [2020-10-13 09:25:38,489 INFO L78 Accepts]: Start accepts. Automaton has 3112 states and 3446 transitions. Word has length 577 [2020-10-13 09:25:38,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:25:38,490 INFO L479 AbstractCegarLoop]: Abstraction has 3112 states and 3446 transitions. [2020-10-13 09:25:38,490 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 09:25:38,490 INFO L276 IsEmpty]: Start isEmpty. Operand 3112 states and 3446 transitions. [2020-10-13 09:25:38,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2020-10-13 09:25:38,500 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:25:38,501 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:25:38,501 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 09:25:38,502 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:25:38,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:25:38,502 INFO L82 PathProgramCache]: Analyzing trace with hash -200021994, now seen corresponding path program 1 times [2020-10-13 09:25:38,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:25:38,502 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [586663106] [2020-10-13 09:25:38,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:25:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:38,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:38,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:38,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:39,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:43,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:43,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 620 [2020-10-13 09:25:43,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 09:25:43,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-13 09:25:43,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:43,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:25:43,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 154 [2020-10-13 09:25:43,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-13 09:25:43,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:25:43,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:25:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:43,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:43,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:43,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:25:43,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:25:43,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:25:43,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:43,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:25:43,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:25:43,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:25:43,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:25:43,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:25:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:43,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:43,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:43,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 09:25:43,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:25:43,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-13 09:25:43,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:43,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:25:43,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:25:43,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-13 09:25:43,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:25:43,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-13 09:25:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:43,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:43,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:43,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 09:25:43,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:25:43,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-13 09:25:43,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:43,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:25:43,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 09:25:43,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-13 09:25:43,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:25:43,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-10-13 09:25:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:43,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:44,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:44,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-10-13 09:25:44,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:25:44,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-13 09:25:44,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:44,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:25:44,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 284 [2020-10-13 09:25:44,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:25:44,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:25:44,298 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 288 proven. 109 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-13 09:25:44,298 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [586663106] [2020-10-13 09:25:44,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:25:44,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 09:25:44,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162744194] [2020-10-13 09:25:44,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 09:25:44,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:25:44,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 09:25:44,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 09:25:44,300 INFO L87 Difference]: Start difference. First operand 3112 states and 3446 transitions. Second operand 7 states. [2020-10-13 09:25:48,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:25:48,526 INFO L93 Difference]: Finished difference Result 6629 states and 7562 transitions. [2020-10-13 09:25:48,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 09:25:48,526 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 606 [2020-10-13 09:25:48,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:25:48,541 INFO L225 Difference]: With dead ends: 6629 [2020-10-13 09:25:48,541 INFO L226 Difference]: Without dead ends: 3862 [2020-10-13 09:25:48,547 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-13 09:25:48,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3862 states. [2020-10-13 09:25:48,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3862 to 3812. [2020-10-13 09:25:48,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3812 states. [2020-10-13 09:25:48,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3812 states to 3812 states and 4210 transitions. [2020-10-13 09:25:48,621 INFO L78 Accepts]: Start accepts. Automaton has 3812 states and 4210 transitions. Word has length 606 [2020-10-13 09:25:48,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:25:48,621 INFO L479 AbstractCegarLoop]: Abstraction has 3812 states and 4210 transitions. [2020-10-13 09:25:48,621 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 09:25:48,622 INFO L276 IsEmpty]: Start isEmpty. Operand 3812 states and 4210 transitions. [2020-10-13 09:25:48,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 658 [2020-10-13 09:25:48,633 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:25:48,634 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:25:48,634 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 09:25:48,634 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:25:48,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:25:48,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1743353315, now seen corresponding path program 1 times [2020-10-13 09:25:48,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:25:48,635 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [831883749] [2020-10-13 09:25:48,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:25:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:48,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:48,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:49,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:53,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:53,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 671 [2020-10-13 09:25:53,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 09:25:53,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-10-13 09:25:53,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:53,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:25:53,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 205 [2020-10-13 09:25:53,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-13 09:25:53,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:25:53,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:25:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:53,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:53,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:53,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:25:53,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:25:53,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 09:25:53,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:53,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:25:53,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:25:53,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:25:53,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:25:53,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:25:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:53,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:53,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:53,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-13 09:25:53,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:25:53,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-13 09:25:53,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:53,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:25:53,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:25:53,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-10-13 09:25:53,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:25:53,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-13 09:25:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:54,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:54,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:54,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 09:25:54,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:25:54,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-13 09:25:54,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:54,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:25:54,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 09:25:54,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-13 09:25:54,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:25:54,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2020-10-13 09:25:54,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:54,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:54,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:25:54,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-10-13 09:25:54,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:25:54,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-13 09:25:54,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:25:54,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:25:54,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 284 [2020-10-13 09:25:54,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:25:54,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:25:54,503 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 288 proven. 109 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2020-10-13 09:25:54,503 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [831883749] [2020-10-13 09:25:54,503 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:25:54,503 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 09:25:54,504 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480145908] [2020-10-13 09:25:54,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 09:25:54,505 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:25:54,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 09:25:54,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 09:25:54,506 INFO L87 Difference]: Start difference. First operand 3812 states and 4210 transitions. Second operand 7 states. [2020-10-13 09:25:57,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:25:57,276 INFO L93 Difference]: Finished difference Result 9328 states and 10502 transitions. [2020-10-13 09:25:57,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 09:25:57,277 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 657 [2020-10-13 09:25:57,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:25:57,291 INFO L225 Difference]: With dead ends: 9328 [2020-10-13 09:25:57,291 INFO L226 Difference]: Without dead ends: 5526 [2020-10-13 09:25:57,298 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-13 09:25:57,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5526 states. [2020-10-13 09:25:57,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5526 to 5165. [2020-10-13 09:25:57,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5165 states. [2020-10-13 09:25:57,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5165 states to 5165 states and 5658 transitions. [2020-10-13 09:25:57,388 INFO L78 Accepts]: Start accepts. Automaton has 5165 states and 5658 transitions. Word has length 657 [2020-10-13 09:25:57,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:25:57,389 INFO L479 AbstractCegarLoop]: Abstraction has 5165 states and 5658 transitions. [2020-10-13 09:25:57,389 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 09:25:57,389 INFO L276 IsEmpty]: Start isEmpty. Operand 5165 states and 5658 transitions. [2020-10-13 09:25:57,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 905 [2020-10-13 09:25:57,407 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:25:57,409 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 09:25:57,410 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 09:25:57,410 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:25:57,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:25:57,410 INFO L82 PathProgramCache]: Analyzing trace with hash -174518275, now seen corresponding path program 1 times [2020-10-13 09:25:57,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:25:57,411 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1381801361] [2020-10-13 09:25:57,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:25:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:25:57,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:57,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:57,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:25:58,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:02,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:26:02,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 920 [2020-10-13 09:26:02,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 09:26:02,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-13 09:26:02,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:26:02,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 09:26:02,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 09:26:02,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-13 09:26:02,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:26:02,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:26:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:26:02,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:02,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:26:02,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:26:02,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:26:02,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 09:26:02,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:26:02,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:26:02,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:26:02,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 09:26:02,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:26:02,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:26:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:26:02,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:02,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:26:02,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-13 09:26:02,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:26:02,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-13 09:26:02,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:26:02,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:26:02,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 09:26:02,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-13 09:26:02,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:26:02,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-13 09:26:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:26:02,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:02,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:26:02,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 09:26:02,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:26:02,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 09:26:02,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:26:02,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:26:02,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 142 [2020-10-13 09:26:02,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:26:02,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:26:02,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2020-10-13 09:26:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:26:02,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:02,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:26:02,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-13 09:26:02,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:26:02,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-13 09:26:02,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:26:02,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:26:02,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 271 [2020-10-13 09:26:02,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:26:02,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:26:03,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2020-10-13 09:26:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:26:03,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:03,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:26:03,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-10-13 09:26:03,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:26:03,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-13 09:26:03,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:26:03,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:26:03,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 284 [2020-10-13 09:26:03,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:26:03,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:26:03,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1202 backedges. 236 proven. 390 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2020-10-13 09:26:03,480 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1381801361] [2020-10-13 09:26:03,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:26:03,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 09:26:03,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127591649] [2020-10-13 09:26:03,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 09:26:03,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:26:03,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 09:26:03,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 09:26:03,481 INFO L87 Difference]: Start difference. First operand 5165 states and 5658 transitions. Second operand 7 states. [2020-10-13 09:26:06,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:26:06,058 INFO L93 Difference]: Finished difference Result 11373 states and 12501 transitions. [2020-10-13 09:26:06,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 09:26:06,059 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 904 [2020-10-13 09:26:06,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:26:06,076 INFO L225 Difference]: With dead ends: 11373 [2020-10-13 09:26:06,076 INFO L226 Difference]: Without dead ends: 6214 [2020-10-13 09:26:06,085 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-13 09:26:06,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6214 states. [2020-10-13 09:26:06,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6214 to 6188. [2020-10-13 09:26:06,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6188 states. [2020-10-13 09:26:06,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6188 states to 6188 states and 6705 transitions. [2020-10-13 09:26:06,186 INFO L78 Accepts]: Start accepts. Automaton has 6188 states and 6705 transitions. Word has length 904 [2020-10-13 09:26:06,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:26:06,186 INFO L479 AbstractCegarLoop]: Abstraction has 6188 states and 6705 transitions. [2020-10-13 09:26:06,186 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 09:26:06,186 INFO L276 IsEmpty]: Start isEmpty. Operand 6188 states and 6705 transitions. [2020-10-13 09:26:06,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1070 [2020-10-13 09:26:06,207 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:26:06,208 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-13 09:26:06,208 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-13 09:26:06,209 INFO L427 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:26:06,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:26:06,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1853201452, now seen corresponding path program 1 times [2020-10-13 09:26:06,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:26:06,210 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [461612731] [2020-10-13 09:26:06,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:26:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:26:06,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:06,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:06,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:06,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:08,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:11,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:26:11,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1085 [2020-10-13 09:26:11,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 09:26:11,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-13 09:26:11,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:26:11,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:26:11,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 259 [2020-10-13 09:26:11,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 198 [2020-10-13 09:26:11,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:26:11,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:26:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:26:11,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:11,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:26:11,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:26:11,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:26:11,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:26:11,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:26:11,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:26:11,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:26:11,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:26:11,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:26:11,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:26:11,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:26:11,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:11,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:26:11,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-13 09:26:11,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:26:11,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-13 09:26:11,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:26:11,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:26:11,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:26:11,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 244 [2020-10-13 09:26:11,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:26:11,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-10-13 09:26:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:26:11,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:11,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:26:11,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-13 09:26:11,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:26:11,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-13 09:26:11,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:26:11,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:26:11,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 09:26:11,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-13 09:26:11,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:26:11,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2020-10-13 09:26:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:26:11,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:12,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:26:12,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-13 09:26:12,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:26:12,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-13 09:26:12,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:26:12,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:26:12,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 271 [2020-10-13 09:26:12,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:26:12,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:26:12,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2020-10-13 09:26:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:26:12,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:12,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:26:12,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-10-13 09:26:12,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:26:12,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-13 09:26:12,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:26:12,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:26:12,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 284 [2020-10-13 09:26:12,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:26:12,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:26:12,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1592 backedges. 436 proven. 386 refuted. 0 times theorem prover too weak. 770 trivial. 0 not checked. [2020-10-13 09:26:12,794 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [461612731] [2020-10-13 09:26:12,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:26:12,795 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 09:26:12,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562520585] [2020-10-13 09:26:12,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 09:26:12,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:26:12,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 09:26:12,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 09:26:12,797 INFO L87 Difference]: Start difference. First operand 6188 states and 6705 transitions. Second operand 7 states. [2020-10-13 09:26:17,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:26:17,773 INFO L93 Difference]: Finished difference Result 17282 states and 19387 transitions. [2020-10-13 09:26:17,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 09:26:17,773 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1069 [2020-10-13 09:26:17,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:26:17,810 INFO L225 Difference]: With dead ends: 17282 [2020-10-13 09:26:17,810 INFO L226 Difference]: Without dead ends: 11100 [2020-10-13 09:26:17,825 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-13 09:26:17,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11100 states. [2020-10-13 09:26:18,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11100 to 10639. [2020-10-13 09:26:18,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10639 states. [2020-10-13 09:26:18,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10639 states to 10639 states and 11539 transitions. [2020-10-13 09:26:18,066 INFO L78 Accepts]: Start accepts. Automaton has 10639 states and 11539 transitions. Word has length 1069 [2020-10-13 09:26:18,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:26:18,067 INFO L479 AbstractCegarLoop]: Abstraction has 10639 states and 11539 transitions. [2020-10-13 09:26:18,067 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 09:26:18,067 INFO L276 IsEmpty]: Start isEmpty. Operand 10639 states and 11539 transitions. [2020-10-13 09:26:18,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1088 [2020-10-13 09:26:18,096 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:26:18,097 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 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 09:26:18,097 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-13 09:26:18,098 INFO L427 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:26:18,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:26:18,098 INFO L82 PathProgramCache]: Analyzing trace with hash -534474395, now seen corresponding path program 1 times [2020-10-13 09:26:18,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:26:18,099 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [464723453] [2020-10-13 09:26:18,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:26:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:26:18,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:18,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:18,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:18,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:23,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:23,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:26:23,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1105 [2020-10-13 09:26:23,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 09:26:23,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-13 09:26:23,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:26:23,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:26:23,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 259 [2020-10-13 09:26:23,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-13 09:26:23,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:26:23,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:26:23,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:26:23,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:23,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:26:23,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:26:23,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:26:23,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:26:23,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:26:23,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:26:23,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:26:23,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:26:23,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:26:23,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:26:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:26:23,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:23,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:26:23,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-13 09:26:23,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:26:23,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-10-13 09:26:23,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:26:23,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:26:23,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:26:23,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 244 [2020-10-13 09:26:23,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:26:23,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-10-13 09:26:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:26:23,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:23,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:26:23,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-13 09:26:23,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:26:23,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 09:26:23,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:26:23,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:26:23,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 09:26:23,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-13 09:26:23,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:26:23,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2020-10-13 09:26:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:26:23,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:23,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:26:23,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 09:26:23,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:26:23,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 09:26:23,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:26:23,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:26:23,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 142 [2020-10-13 09:26:23,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:26:23,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:26:23,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2020-10-13 09:26:23,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:26:23,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:24,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:26:24,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-13 09:26:24,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:26:24,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-13 09:26:24,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:26:24,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:26:24,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 271 [2020-10-13 09:26:24,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:26:24,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:26:24,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 743 [2020-10-13 09:26:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:26:24,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:24,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:26:24,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-10-13 09:26:24,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:26:24,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-13 09:26:24,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:26:24,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:26:24,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 284 [2020-10-13 09:26:24,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:26:24,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:26:24,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1774 backedges. 373 proven. 200 refuted. 0 times theorem prover too weak. 1201 trivial. 0 not checked. [2020-10-13 09:26:24,865 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [464723453] [2020-10-13 09:26:24,865 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:26:24,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 09:26:24,866 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612203616] [2020-10-13 09:26:24,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 09:26:24,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:26:24,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 09:26:24,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 09:26:24,867 INFO L87 Difference]: Start difference. First operand 10639 states and 11539 transitions. Second operand 7 states. [2020-10-13 09:26:28,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:26:28,019 INFO L93 Difference]: Finished difference Result 23981 states and 26161 transitions. [2020-10-13 09:26:28,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 09:26:28,020 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1087 [2020-10-13 09:26:28,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:26:28,069 INFO L225 Difference]: With dead ends: 23981 [2020-10-13 09:26:28,069 INFO L226 Difference]: Without dead ends: 14031 [2020-10-13 09:26:28,088 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-13 09:26:28,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14031 states. [2020-10-13 09:26:28,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14031 to 13351. [2020-10-13 09:26:28,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13351 states. [2020-10-13 09:26:28,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13351 states to 13351 states and 14477 transitions. [2020-10-13 09:26:28,337 INFO L78 Accepts]: Start accepts. Automaton has 13351 states and 14477 transitions. Word has length 1087 [2020-10-13 09:26:28,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:26:28,337 INFO L479 AbstractCegarLoop]: Abstraction has 13351 states and 14477 transitions. [2020-10-13 09:26:28,337 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 09:26:28,338 INFO L276 IsEmpty]: Start isEmpty. Operand 13351 states and 14477 transitions. [2020-10-13 09:26:28,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1379 [2020-10-13 09:26:28,380 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:26:28,381 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-10-13 09:26:28,381 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-13 09:26:28,381 INFO L427 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:26:28,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:26:28,382 INFO L82 PathProgramCache]: Analyzing trace with hash -2025713310, now seen corresponding path program 1 times [2020-10-13 09:26:28,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:26:28,383 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [258752327] [2020-10-13 09:26:28,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:26:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:26:28,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:28,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:29,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:30,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:32,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:33,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:26:33,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1398 [2020-10-13 09:26:33,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 09:26:33,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-13 09:26:33,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:26:33,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:26:33,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1329 [2020-10-13 09:26:33,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 09:26:33,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:26:33,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:26:33,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:26:33,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:33,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:26:33,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:26:33,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:26:33,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 09:26:33,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:26:33,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:26:33,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:26:33,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:26:33,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 09:26:33,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:26:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:26:33,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:33,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:26:33,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-13 09:26:33,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:26:33,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-13 09:26:33,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:26:33,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:26:33,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:26:33,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:26:33,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:26:33,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-10-13 09:26:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:26:33,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:34,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:26:34,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-10-13 09:26:34,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:26:34,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-13 09:26:34,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:26:34,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:26:34,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:26:34,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:26:34,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:26:34,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2020-10-13 09:26:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:26:34,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:34,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:26:34,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-13 09:26:34,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:26:34,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 09:26:34,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:26:34,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:26:34,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:26:34,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:26:34,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:26:34,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 806 [2020-10-13 09:26:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:26:34,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:34,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:26:34,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-13 09:26:34,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:26:34,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 09:26:34,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:26:34,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:26:34,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:26:34,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:26:34,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:26:34,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1021 [2020-10-13 09:26:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:26:34,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:34,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:26:34,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-10-13 09:26:34,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:26:34,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-13 09:26:34,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:26:34,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:26:34,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:26:34,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 293 [2020-10-13 09:26:34,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:26:34,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-13 09:26:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:26:34,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:26:34,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:26:34,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 09:26:34,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:26:34,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 09:26:34,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:26:34,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:26:34,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:26:34,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 09:26:34,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:26:35,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2724 backedges. 302 proven. 5 refuted. 0 times theorem prover too weak. 2417 trivial. 0 not checked. [2020-10-13 09:26:35,320 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [258752327] [2020-10-13 09:26:35,320 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:26:35,320 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 09:26:35,320 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272728439] [2020-10-13 09:26:35,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 09:26:35,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:26:35,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 09:26:35,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 09:26:35,322 INFO L87 Difference]: Start difference. First operand 13351 states and 14477 transitions. Second operand 5 states. [2020-10-13 09:26:38,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:26:38,061 INFO L93 Difference]: Finished difference Result 27363 states and 29926 transitions. [2020-10-13 09:26:38,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 09:26:38,065 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1378 [2020-10-13 09:26:38,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:26:38,067 INFO L225 Difference]: With dead ends: 27363 [2020-10-13 09:26:38,067 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 09:26:38,096 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 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 09:26:38,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 09:26:38,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 09:26:38,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 09:26:38,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 09:26:38,098 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1378 [2020-10-13 09:26:38,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:26:38,098 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 09:26:38,098 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 09:26:38,098 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 09:26:38,098 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 09:26:38,099 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-13 09:26:38,101 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 09:26:39,679 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 363 DAG size of output: 232 [2020-10-13 09:26:41,212 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 232 [2020-10-13 09:26:42,405 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 228 DAG size of output: 38 [2020-10-13 09:26:43,282 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 53 [2020-10-13 09:26:43,775 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 34 [2020-10-13 09:26:44,834 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 268 DAG size of output: 98 [2020-10-13 09:26:45,977 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 228 DAG size of output: 38 [2020-10-13 09:26:45,982 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 09:26:45,983 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)|) (= ~a18~0 |old(~a18~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-10-13 09:26:45,983 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 09:26:45,983 INFO L268 CegarLoopResult]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,983 INFO L268 CegarLoopResult]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2020-10-13 09:26:45,984 INFO L268 CegarLoopResult]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,984 INFO L268 CegarLoopResult]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,984 INFO L268 CegarLoopResult]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,984 INFO L268 CegarLoopResult]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,984 INFO L268 CegarLoopResult]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,985 INFO L268 CegarLoopResult]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,985 INFO L268 CegarLoopResult]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,985 INFO L268 CegarLoopResult]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,985 INFO L268 CegarLoopResult]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,985 INFO L268 CegarLoopResult]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,985 INFO L268 CegarLoopResult]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,985 INFO L268 CegarLoopResult]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,985 INFO L268 CegarLoopResult]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,985 INFO L268 CegarLoopResult]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,986 INFO L268 CegarLoopResult]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,986 INFO L268 CegarLoopResult]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,986 INFO L268 CegarLoopResult]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,986 INFO L268 CegarLoopResult]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,986 INFO L268 CegarLoopResult]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,986 INFO L268 CegarLoopResult]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,986 INFO L268 CegarLoopResult]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,986 INFO L268 CegarLoopResult]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,986 INFO L268 CegarLoopResult]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,986 INFO L268 CegarLoopResult]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,987 INFO L268 CegarLoopResult]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,987 INFO L268 CegarLoopResult]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,987 INFO L268 CegarLoopResult]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,987 INFO L264 CegarLoopResult]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse0 (and (= ~a18~0 |old(~a18~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|)))) (and (or (not (<= |old(~a16~0)| 9)) (and (= 3 |old(~a15~0)|) (= 5 |old(~a12~0)|) (= 8 |old(~a16~0)|)) .cse0) (or .cse0 (not (= 4 |old(~a15~0)|))) (or .cse0 (not (<= 11 |old(~a16~0)|))))) [2020-10-13 09:26:45,987 INFO L268 CegarLoopResult]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,987 INFO L268 CegarLoopResult]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,987 INFO L268 CegarLoopResult]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,988 INFO L268 CegarLoopResult]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,988 INFO L268 CegarLoopResult]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,988 INFO L268 CegarLoopResult]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,988 INFO L268 CegarLoopResult]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,988 INFO L268 CegarLoopResult]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2020-10-13 09:26:45,988 INFO L268 CegarLoopResult]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,988 INFO L268 CegarLoopResult]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,988 INFO L268 CegarLoopResult]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,988 INFO L268 CegarLoopResult]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,988 INFO L268 CegarLoopResult]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,988 INFO L268 CegarLoopResult]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,989 INFO L268 CegarLoopResult]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,989 INFO L268 CegarLoopResult]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,989 INFO L268 CegarLoopResult]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2020-10-13 09:26:45,989 INFO L268 CegarLoopResult]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,989 INFO L268 CegarLoopResult]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,989 INFO L268 CegarLoopResult]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,989 INFO L268 CegarLoopResult]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,989 INFO L268 CegarLoopResult]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:45,989 INFO L268 CegarLoopResult]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:45,989 INFO L268 CegarLoopResult]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:45,990 INFO L268 CegarLoopResult]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,990 INFO L268 CegarLoopResult]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,990 INFO L268 CegarLoopResult]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,990 INFO L268 CegarLoopResult]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,990 INFO L268 CegarLoopResult]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,990 INFO L268 CegarLoopResult]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,990 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-13 09:26:45,990 INFO L268 CegarLoopResult]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,991 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-13 09:26:45,991 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-13 09:26:45,991 INFO L264 CegarLoopResult]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse3 (not (= 8 |old(~a12~0)|))) (.cse7 (not (= 7 |old(~a12~0)|))) (.cse2 (not (= 9 |old(~a16~0)|))) (.cse0 (not (= 5 |old(~a12~0)|))) (.cse1 (not (= 3 |old(~a15~0)|))) (.cse4 (not (= 10 |old(~a16~0)|))) (.cse5 (not (<= |old(~a16~0)| 9))) (.cse6 (and (= ~a18~0 |old(~a18~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|)))) (and (or (not (<= (+ |old(~a18~0)| 79) 0)) .cse0 .cse1 (not (<= 0 (+ |old(~a18~0)| 154))) .cse2) (or .cse3 .cse1 .cse4) (or .cse1 (not (= 6 |old(~a12~0)|)) .cse4) (or .cse5 (not (<= |old(~a15~0)| 3)) (not (<= 49995 |old(~a18~0)|)) (not (<= 9 |old(~a12~0)|)) (not (<= 9 |old(~a16~0)|)) (not (<= 3 |old(~a15~0)|)) (not (<= |old(~a12~0)| 9))) (or .cse6 (not (= 4 |old(~a15~0)|))) (or (not (<= 27 |old(~a18~0)|)) .cse3 .cse1 (not (<= |old(~a18~0)| 133)) .cse2) (or .cse0 .cse1 (not (= 8 |old(~a16~0)|))) (or .cse7 .cse1 .cse2 (not (<= (+ |old(~a18~0)| 156) 0))) (or .cse6 (not (<= 11 |old(~a16~0)|))) (or (not (<= 136 |old(~a18~0)|)) .cse7 .cse1 .cse2) (or .cse0 .cse1 (not (<= |old(~a18~0)| 112)) (not (<= 7 |old(~a18~0)|)) .cse4) (or .cse5 .cse6))) [2020-10-13 09:26:45,991 INFO L268 CegarLoopResult]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,991 INFO L268 CegarLoopResult]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2020-10-13 09:26:45,991 INFO L268 CegarLoopResult]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,992 INFO L268 CegarLoopResult]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,992 INFO L268 CegarLoopResult]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,992 INFO L268 CegarLoopResult]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,992 INFO L268 CegarLoopResult]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:45,992 INFO L268 CegarLoopResult]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:45,992 INFO L268 CegarLoopResult]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:45,992 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-13 09:26:45,992 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-13 09:26:45,993 INFO L268 CegarLoopResult]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,993 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-13 09:26:45,993 INFO L268 CegarLoopResult]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,993 INFO L268 CegarLoopResult]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,993 INFO L268 CegarLoopResult]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,993 INFO L268 CegarLoopResult]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,993 INFO L268 CegarLoopResult]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,993 INFO L268 CegarLoopResult]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,993 INFO L268 CegarLoopResult]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,993 INFO L268 CegarLoopResult]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:45,993 INFO L268 CegarLoopResult]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:45,993 INFO L268 CegarLoopResult]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:45,994 INFO L268 CegarLoopResult]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,994 INFO L268 CegarLoopResult]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,994 INFO L268 CegarLoopResult]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,994 INFO L268 CegarLoopResult]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,994 INFO L268 CegarLoopResult]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,994 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-13 09:26:45,994 INFO L268 CegarLoopResult]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,994 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-13 09:26:45,994 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-13 09:26:45,995 INFO L268 CegarLoopResult]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,995 INFO L268 CegarLoopResult]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,995 INFO L268 CegarLoopResult]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,995 INFO L268 CegarLoopResult]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,995 INFO L268 CegarLoopResult]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:45,995 INFO L268 CegarLoopResult]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:45,995 INFO L268 CegarLoopResult]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:45,995 INFO L268 CegarLoopResult]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,995 INFO L268 CegarLoopResult]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,996 INFO L268 CegarLoopResult]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,996 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-13 09:26:45,996 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-13 09:26:45,996 INFO L268 CegarLoopResult]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,996 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-13 09:26:45,996 INFO L268 CegarLoopResult]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,996 INFO L268 CegarLoopResult]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,996 INFO L268 CegarLoopResult]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,996 INFO L268 CegarLoopResult]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,996 INFO L268 CegarLoopResult]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,997 INFO L268 CegarLoopResult]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,997 INFO L268 CegarLoopResult]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,997 INFO L268 CegarLoopResult]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:45,997 INFO L268 CegarLoopResult]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:45,997 INFO L268 CegarLoopResult]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:45,997 INFO L268 CegarLoopResult]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,997 INFO L268 CegarLoopResult]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,997 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-13 09:26:45,997 INFO L268 CegarLoopResult]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,997 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-13 09:26:45,998 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-13 09:26:45,998 INFO L268 CegarLoopResult]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,998 INFO L268 CegarLoopResult]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,998 INFO L268 CegarLoopResult]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,998 INFO L268 CegarLoopResult]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,998 INFO L268 CegarLoopResult]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:45,998 INFO L268 CegarLoopResult]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:45,998 INFO L268 CegarLoopResult]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:45,998 INFO L268 CegarLoopResult]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,998 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:45,999 INFO L268 CegarLoopResult]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,999 INFO L268 CegarLoopResult]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,999 INFO L268 CegarLoopResult]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,999 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-13 09:26:45,999 INFO L268 CegarLoopResult]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,999 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-13 09:26:45,999 INFO L268 CegarLoopResult]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,999 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-13 09:26:45,999 INFO L268 CegarLoopResult]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2020-10-13 09:26:45,999 INFO L268 CegarLoopResult]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,000 INFO L268 CegarLoopResult]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,000 INFO L268 CegarLoopResult]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,000 INFO L268 CegarLoopResult]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,000 INFO L268 CegarLoopResult]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,000 INFO L268 CegarLoopResult]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,000 INFO L268 CegarLoopResult]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,000 INFO L268 CegarLoopResult]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,000 INFO L268 CegarLoopResult]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,000 INFO L268 CegarLoopResult]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,000 INFO L268 CegarLoopResult]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,001 INFO L268 CegarLoopResult]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,001 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-13 09:26:46,001 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-13 09:26:46,001 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-13 09:26:46,001 INFO L268 CegarLoopResult]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,001 INFO L268 CegarLoopResult]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,001 INFO L268 CegarLoopResult]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,001 INFO L268 CegarLoopResult]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,001 INFO L268 CegarLoopResult]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,001 INFO L268 CegarLoopResult]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,001 INFO L268 CegarLoopResult]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,002 INFO L268 CegarLoopResult]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,002 INFO L268 CegarLoopResult]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,002 INFO L268 CegarLoopResult]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,002 INFO L268 CegarLoopResult]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,002 INFO L268 CegarLoopResult]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,002 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-13 09:26:46,002 INFO L268 CegarLoopResult]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,002 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-13 09:26:46,002 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-13 09:26:46,002 INFO L268 CegarLoopResult]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,003 INFO L268 CegarLoopResult]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,003 INFO L268 CegarLoopResult]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,003 INFO L268 CegarLoopResult]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,003 INFO L268 CegarLoopResult]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,003 INFO L268 CegarLoopResult]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,003 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse1 (= ~a18~0 |old(~a18~0)|)) (.cse2 (= ~a16~0 |old(~a16~0)|)) (.cse3 (= ~a12~0 |old(~a12~0)|))) (let ((.cse4 (not (= 3 |old(~a15~0)|))) (.cse0 (= ~a15~0 3)) (.cse5 (and .cse1 .cse2 .cse3 (= ~a15~0 |old(~a15~0)|)))) (and (or (and .cse0 .cse1 .cse2 .cse3) .cse4 (not (= 6 |old(~a12~0)|))) (or .cse5 (not (= 4 |old(~a15~0)|))) (or .cse5 (not (<= 11 |old(~a16~0)|))) (or (not (= 5 |old(~a12~0)|)) .cse4 (not (<= |old(~a18~0)| 112)) (and .cse0 .cse1 .cse2 (= 5 ~a12~0)) (not (<= 7 |old(~a18~0)|))) (or (not (= 8 |old(~a12~0)|)) .cse4 (and .cse0 .cse1 (= ~a12~0 8) .cse2)) (or (not (<= |old(~a16~0)| 9)) .cse5)))) [2020-10-13 09:26:46,003 INFO L268 CegarLoopResult]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,003 INFO L268 CegarLoopResult]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,004 INFO L268 CegarLoopResult]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,004 INFO L268 CegarLoopResult]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,004 INFO L268 CegarLoopResult]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,004 INFO L268 CegarLoopResult]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,004 INFO L268 CegarLoopResult]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,004 INFO L268 CegarLoopResult]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,004 INFO L268 CegarLoopResult]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,004 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-13 09:26:46,004 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-13 09:26:46,004 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-13 09:26:46,005 INFO L268 CegarLoopResult]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,005 INFO L268 CegarLoopResult]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,005 INFO L268 CegarLoopResult]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,005 INFO L268 CegarLoopResult]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,005 INFO L268 CegarLoopResult]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,005 INFO L268 CegarLoopResult]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,005 INFO L268 CegarLoopResult]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,005 INFO L268 CegarLoopResult]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,005 INFO L268 CegarLoopResult]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,005 INFO L268 CegarLoopResult]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,006 INFO L268 CegarLoopResult]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,006 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-13 09:26:46,006 INFO L268 CegarLoopResult]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,006 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-13 09:26:46,006 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-13 09:26:46,006 INFO L268 CegarLoopResult]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,006 INFO L268 CegarLoopResult]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,006 INFO L268 CegarLoopResult]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,006 INFO L268 CegarLoopResult]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,007 INFO L268 CegarLoopResult]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,007 INFO L268 CegarLoopResult]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,007 INFO L268 CegarLoopResult]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,007 INFO L268 CegarLoopResult]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,007 INFO L268 CegarLoopResult]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,007 INFO L268 CegarLoopResult]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,007 INFO L268 CegarLoopResult]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,007 INFO L268 CegarLoopResult]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,007 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-13 09:26:46,008 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-13 09:26:46,008 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-13 09:26:46,008 INFO L268 CegarLoopResult]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,008 INFO L268 CegarLoopResult]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,008 INFO L268 CegarLoopResult]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,008 INFO L268 CegarLoopResult]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,008 INFO L268 CegarLoopResult]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,008 INFO L268 CegarLoopResult]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,008 INFO L268 CegarLoopResult]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,009 INFO L268 CegarLoopResult]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,009 INFO L268 CegarLoopResult]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,009 INFO L268 CegarLoopResult]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,009 INFO L268 CegarLoopResult]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,009 INFO L268 CegarLoopResult]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,009 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-13 09:26:46,009 INFO L268 CegarLoopResult]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,009 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-13 09:26:46,009 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-13 09:26:46,009 INFO L268 CegarLoopResult]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,010 INFO L268 CegarLoopResult]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,010 INFO L268 CegarLoopResult]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,010 INFO L268 CegarLoopResult]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,010 INFO L268 CegarLoopResult]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,010 INFO L268 CegarLoopResult]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,010 INFO L268 CegarLoopResult]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,010 INFO L268 CegarLoopResult]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,010 INFO L268 CegarLoopResult]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,010 INFO L268 CegarLoopResult]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,011 INFO L268 CegarLoopResult]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,011 INFO L268 CegarLoopResult]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,011 INFO L268 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-10-13 09:26:46,011 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-13 09:26:46,011 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-13 09:26:46,011 INFO L268 CegarLoopResult]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,011 INFO L268 CegarLoopResult]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,011 INFO L268 CegarLoopResult]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,012 INFO L268 CegarLoopResult]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,012 INFO L268 CegarLoopResult]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,012 INFO L268 CegarLoopResult]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,012 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2020-10-13 09:26:46,012 INFO L268 CegarLoopResult]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,012 INFO L268 CegarLoopResult]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,012 INFO L268 CegarLoopResult]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,012 INFO L268 CegarLoopResult]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,012 INFO L268 CegarLoopResult]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,013 INFO L268 CegarLoopResult]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,013 INFO L268 CegarLoopResult]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,013 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-13 09:26:46,013 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-13 09:26:46,013 INFO L268 CegarLoopResult]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,013 INFO L268 CegarLoopResult]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,013 INFO L268 CegarLoopResult]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,013 INFO L268 CegarLoopResult]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,013 INFO L268 CegarLoopResult]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,014 INFO L268 CegarLoopResult]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,014 INFO L268 CegarLoopResult]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,014 INFO L268 CegarLoopResult]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,014 INFO L268 CegarLoopResult]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,014 INFO L268 CegarLoopResult]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,014 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-13 09:26:46,014 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-13 09:26:46,014 INFO L268 CegarLoopResult]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,014 INFO L268 CegarLoopResult]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,015 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,015 INFO L268 CegarLoopResult]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,015 INFO L268 CegarLoopResult]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,015 INFO L268 CegarLoopResult]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,015 INFO L268 CegarLoopResult]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,015 INFO L268 CegarLoopResult]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,015 INFO L268 CegarLoopResult]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,015 INFO L268 CegarLoopResult]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,015 INFO L268 CegarLoopResult]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,015 INFO L268 CegarLoopResult]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,015 INFO L268 CegarLoopResult]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,016 INFO L268 CegarLoopResult]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,016 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-13 09:26:46,016 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-13 09:26:46,016 INFO L268 CegarLoopResult]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,016 INFO L268 CegarLoopResult]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,016 INFO L268 CegarLoopResult]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,016 INFO L268 CegarLoopResult]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,016 INFO L268 CegarLoopResult]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,016 INFO L268 CegarLoopResult]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,016 INFO L268 CegarLoopResult]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,017 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,017 INFO L268 CegarLoopResult]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,017 INFO L268 CegarLoopResult]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,017 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-13 09:26:46,017 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-13 09:26:46,017 INFO L268 CegarLoopResult]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,017 INFO L268 CegarLoopResult]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,017 INFO L268 CegarLoopResult]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,017 INFO L268 CegarLoopResult]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,017 INFO L268 CegarLoopResult]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,017 INFO L268 CegarLoopResult]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,018 INFO L268 CegarLoopResult]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,018 INFO L268 CegarLoopResult]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,018 INFO L268 CegarLoopResult]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,018 INFO L268 CegarLoopResult]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,018 INFO L268 CegarLoopResult]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,018 INFO L268 CegarLoopResult]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,018 INFO L268 CegarLoopResult]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,018 INFO L268 CegarLoopResult]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,018 INFO L268 CegarLoopResult]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,018 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-13 09:26:46,019 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-13 09:26:46,019 INFO L268 CegarLoopResult]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,019 INFO L268 CegarLoopResult]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,019 INFO L268 CegarLoopResult]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,019 INFO L268 CegarLoopResult]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,019 INFO L268 CegarLoopResult]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,019 INFO L268 CegarLoopResult]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,019 INFO L268 CegarLoopResult]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,019 INFO L268 CegarLoopResult]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,019 INFO L268 CegarLoopResult]: For program point L24(lines 24 26) no Hoare annotation was computed. [2020-10-13 09:26:46,019 INFO L268 CegarLoopResult]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,020 INFO L268 CegarLoopResult]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,020 INFO L268 CegarLoopResult]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,020 INFO L268 CegarLoopResult]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,020 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-13 09:26:46,020 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-13 09:26:46,020 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-13 09:26:46,020 INFO L268 CegarLoopResult]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,020 INFO L268 CegarLoopResult]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,020 INFO L268 CegarLoopResult]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,020 INFO L268 CegarLoopResult]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,021 INFO L268 CegarLoopResult]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,021 INFO L268 CegarLoopResult]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,021 INFO L268 CegarLoopResult]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,021 INFO L268 CegarLoopResult]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,021 INFO L268 CegarLoopResult]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,021 INFO L268 CegarLoopResult]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,021 INFO L268 CegarLoopResult]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,021 INFO L268 CegarLoopResult]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,021 INFO L268 CegarLoopResult]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,021 INFO L268 CegarLoopResult]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,021 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-13 09:26:46,022 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-13 09:26:46,022 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-13 09:26:46,022 INFO L268 CegarLoopResult]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,022 INFO L268 CegarLoopResult]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,022 INFO L268 CegarLoopResult]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,022 INFO L268 CegarLoopResult]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,022 INFO L268 CegarLoopResult]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,022 INFO L268 CegarLoopResult]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,022 INFO L268 CegarLoopResult]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,022 INFO L268 CegarLoopResult]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,022 INFO L268 CegarLoopResult]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,023 INFO L268 CegarLoopResult]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,023 INFO L268 CegarLoopResult]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,023 INFO L268 CegarLoopResult]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,023 INFO L268 CegarLoopResult]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,023 INFO L268 CegarLoopResult]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,023 INFO L268 CegarLoopResult]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,023 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-13 09:26:46,023 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-13 09:26:46,023 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-13 09:26:46,023 INFO L268 CegarLoopResult]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,023 INFO L268 CegarLoopResult]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,024 INFO L268 CegarLoopResult]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,024 INFO L268 CegarLoopResult]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,024 INFO L268 CegarLoopResult]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,024 INFO L268 CegarLoopResult]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,024 INFO L268 CegarLoopResult]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,024 INFO L268 CegarLoopResult]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,024 INFO L268 CegarLoopResult]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:26:46,024 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-13 09:26:46,024 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-13 09:26:46,025 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-13 09:26:46,025 INFO L268 CegarLoopResult]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,025 INFO L268 CegarLoopResult]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,025 INFO L268 CegarLoopResult]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2020-10-13 09:26:46,025 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 09:26:46,025 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 11 ~a16~0) (<= ~a18~0 132) (<= ~a16~0 11) (= 5 ~a12~0)) [2020-10-13 09:26:46,025 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 09:26:46,025 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 09:26:46,025 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 5 |old(~a12~0)|)) (and (= ~a18~0 |old(~a18~0)|) (= ~a16~0 |old(~a16~0)|) (= 5 ~a12~0) (= ~a15~0 |old(~a15~0)|)) (not (<= |old(~a18~0)| 132)) (not (<= 11 |old(~a16~0)|)) (not (<= |old(~a16~0)| 11))) [2020-10-13 09:26:46,026 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2020-10-13 09:26:46,026 INFO L264 CegarLoopResult]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse0 (= ~a15~0 3))) (or (<= 11 ~a16~0) (<= ~a16~0 9) (and .cse0 (<= ~a18~0 112) (<= 7 ~a18~0) (= 5 ~a12~0)) (not (= 5 |old(~a12~0)|)) (not (<= |old(~a18~0)| 132)) (= ~a15~0 4) (not (<= 11 |old(~a16~0)|)) (and .cse0 (= ~a12~0 8)) (and (= ~a12~0 6) .cse0) (not (<= |old(~a16~0)| 11)))) [2020-10-13 09:26:46,026 INFO L268 CegarLoopResult]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2020-10-13 09:26:46,026 INFO L268 CegarLoopResult]: For program point L1778(line 1778) no Hoare annotation was computed. [2020-10-13 09:26:46,026 INFO L264 CegarLoopResult]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse0 (= ~a15~0 3))) (or (<= 11 ~a16~0) (<= ~a16~0 9) (and .cse0 (<= ~a18~0 112) (<= 7 ~a18~0) (= 5 ~a12~0)) (not (= 5 |old(~a12~0)|)) (not (<= |old(~a18~0)| 132)) (= ~a15~0 4) (not (<= 11 |old(~a16~0)|)) (and .cse0 (= ~a12~0 8)) (and (= ~a12~0 6) .cse0) (not (<= |old(~a16~0)| 11)))) [2020-10-13 09:26:46,026 INFO L268 CegarLoopResult]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2020-10-13 09:26:46,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:26:46 BoogieIcfgContainer [2020-10-13 09:26:46,047 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 09:26:46,049 INFO L168 Benchmark]: Toolchain (without parser) took 177271.63 ms. Allocated memory was 147.3 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 97.8 MB in the beginning and 2.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2020-10-13 09:26:46,050 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 147.3 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 09:26:46,050 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1564.69 ms. Allocated memory was 147.3 MB in the beginning and 228.1 MB in the end (delta: 80.7 MB). Free memory was 97.6 MB in the beginning and 170.3 MB in the end (delta: -72.7 MB). Peak memory consumption was 46.6 MB. Max. memory is 7.1 GB. [2020-10-13 09:26:46,051 INFO L168 Benchmark]: Boogie Preprocessor took 163.23 ms. Allocated memory is still 228.1 MB. Free memory was 170.3 MB in the beginning and 160.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-10-13 09:26:46,051 INFO L168 Benchmark]: RCFGBuilder took 2318.73 ms. Allocated memory was 228.1 MB in the beginning and 266.9 MB in the end (delta: 38.8 MB). Free memory was 160.3 MB in the beginning and 209.3 MB in the end (delta: -48.9 MB). Peak memory consumption was 115.0 MB. Max. memory is 7.1 GB. [2020-10-13 09:26:46,052 INFO L168 Benchmark]: TraceAbstraction took 173217.67 ms. Allocated memory was 266.9 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 209.3 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2020-10-13 09:26:46,055 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 147.3 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1564.69 ms. Allocated memory was 147.3 MB in the beginning and 228.1 MB in the end (delta: 80.7 MB). Free memory was 97.6 MB in the beginning and 170.3 MB in the end (delta: -72.7 MB). Peak memory consumption was 46.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 163.23 ms. Allocated memory is still 228.1 MB. Free memory was 170.3 MB in the beginning and 160.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2318.73 ms. Allocated memory was 228.1 MB in the beginning and 266.9 MB in the end (delta: 38.8 MB). Free memory was 160.3 MB in the beginning and 209.3 MB in the end (delta: -48.9 MB). Peak memory consumption was 115.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 173217.67 ms. Allocated memory was 266.9 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 209.3 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 187]: 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: 1773]: Loop Invariant Derived loop invariant: ((((((((11 <= a16 || a16 <= 9) || (((a15 == 3 && a18 <= 112) && 7 <= a18) && 5 == a12)) || !(5 == \old(a12))) || !(\old(a18) <= 132)) || a15 == 4) || !(11 <= \old(a16))) || (a15 == 3 && a12 == 8)) || (a12 == 6 && a15 == 3)) || !(\old(a16) <= 11) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 165.1s, OverallIterations: 22, TraceHistogramMax: 6, AutomataDifference: 57.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 875 SDtfs, 17617 SDslu, 873 SDs, 0 SdLazy, 34355 SolverSat, 2317 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 38.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 394 GetRequests, 242 SyntacticMatches, 5 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13351occurred in iteration=21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 22 MinimizatonAttempts, 2257 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 707 PreInvPairs, 868 NumberOfFragments, 601 HoareAnnotationTreeSize, 707 FomulaSimplifications, 2809031445 FormulaSimplificationTreeSizeReduction, 3.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 114695 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 100.7s InterpolantComputationTime, 11019 NumberOfCodeBlocks, 11019 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 10997 ConstructedInterpolants, 0 QuantifiedInterpolants, 13484133 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 1 PerfectInterpolantSequences, 12386/13795 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...